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1.
J Dent ; 110: 103686, 2021 07.
Article in English | MEDLINE | ID: mdl-33957190

ABSTRACT

OBJECTIVES: The present study aimed to determine the effect of a personalised oral health education program, in combination with routine dental treatment, on serum biomarkers of systemic disease compared to dental treatment alone in a population from a low-socioeconomic community with poor oral health. METHODS: This secondary analysis of a randomised clinical trial involved 295 participants (mean age, 45.4 ± 11 years) assigned to two groups. One group received dental treatment combined with the Oral Health Education Program (OHEPDT), while the second group (DT) received dental care without the Education Program. Serum levels of high-sensitivity C-reactive protein (hsCRP), lipid profile (total cholesterol, triglycerides, and high- and low-density lipoprotein cholesterol), and HbA1c levels were analysed at baseline and after 12 months. Changes in diet, smoking and alcohol consumption were also determined. RESULTS: No intergroup differences were observed for the lipid profile and HbA1c levels. A reduction in the hsCRP levels at the 12-month follow-up was observed in the OHEPDT group, which was significantly different from the DT group (p = 0.01). Multivariate modelling indicated that baseline hsCRP levels (p = 0.000), baseline body mass index (p = 0.000), and higher consumption of vegetables (p = 0.021) predicted a reduction in hsCRP levels. CONCLUSIONS: This study demonstrated that personalised oral health education combined with routine dental treatment was associated with a significant reduction in hsCRP levels subsequent to dietary behavioural changes. These findings suggest that personalised oral health education in combined with routine dental treatment may have beneficial effects on general health. CLINICAL SIGNIFICANCE: The strategy for developing an oral health program that involves education of the modifiable common risk factors for general health has beneficial effects and should be one of the priority components of these programs to improve oral and general health, particularly for at-risk communities.


Subject(s)
C-Reactive Protein , Health Education, Dental , Adult , Dental Care , Humans , Middle Aged , Oral Health , Risk Factors
2.
Article in English | MEDLINE | ID: mdl-33478179

ABSTRACT

While periodontal disease is associated with many risk factors, socioeconomically disadvantaged communities experience the highest disease burden. The aim of this study was to evaluate the effectiveness of a personalized oral health education program, in combination with routine dental treatment, in participants from a low socioeconomic community. We used a randomized, controlled, examiner-blinded clinical trial. A total of 579 participants (aged 18-60 years) were randomly grouped: the intervention group (n = 292) received a personalized oral health education program in combination with routine dental care and the control group (n = 287) received routine dental care. All participants were assessed for improvement in oral health care behaviors, dental plaque, and periodontal status at baseline, 12 months, and 24 months. We found a significant drop (p < 0.001) in the plaque indices, Periodontal Probing Depths (PPD) and Bleeding on Probing (BOP) between baseline and the 12-month follow-up for both groups. For BOP, the number of sites positive was significantly different between baseline and the 24-month follow-up (p = 0.037). No differences were found between the two groups for any evaluated clinical outcome. The personalized oral health education program used in the current study did not appear to add significant improvement to clinical outcomes of periodontal health compared with routine restorative dental care per se.


Subject(s)
Periodontal Diseases , Adolescent , Adult , Health Education , Humans , Middle Aged , Periodontal Diseases/epidemiology , Periodontal Diseases/prevention & control , Risk Factors , Young Adult
3.
J Oral Sci ; 62(1): 79-83, 2020.
Article in English | MEDLINE | ID: mdl-31996529

ABSTRACT

Bisphosphonate-related osteonecrosis of the jaw (BRONJ) is a serious complication associated with bisphosphonate treatment. Zoledronic acid (ZA) is a commonly used bisphosphonate due to its effectiveness in increasing bone density and reducing skeletal events, with evidence that it alters angiogenesis. Replacement of the mevalonate pathway using geranylgeraniol (GGOH) was studied to determine the effects of ZA on angiogenic gene expression in primary human osteoclasts. Osteoclast cultures were generated from peripheral blood mononuclear cells of three patients using the peripheral blood mononuclear cell isolation. These cells were phenotyped by phase-contrast microscopy, tartrate-resistant acid phosphatase staining, and pit assays. Primary osteoclasts were found to express a number of key angiogenic molecules at very high levels. Gene expression levels for 84 human angiogenic factors were determined using PCR arrays. Three genes with significant fold regulation (FR) in response to ZA were as follows: tumor necrosis factor (FR = +2.57, P = 0.050), CXCL9 (FR = +39.48, P = 0.028), and CXCL10 (FR = +18.52, P = 0.0009). The co-addition of geranylgeraniol with ZA resulted in the significant down-regulation of these three genes along with CCL2, TGFBR1, ENG, and CXCL1. GGOH reversed the gene changes induced by ZA and may offer a promising treatment for BRONJ.


Subject(s)
Bone Density Conservation Agents , Zoledronic Acid , Diterpenes , Humans , Imidazoles , Leukocytes, Mononuclear , Osteoclasts
4.
Eur Endod J ; 3(3): 153-159, 2018.
Article in English | MEDLINE | ID: mdl-32161871

ABSTRACT

OBJECTIVE: To examine the microvessel density (MVD) and spatial distribution of endothelial cells and angiogenic activity in immature and mature permanent teeth using immunohistochemistry. METHODS: Healthy third molars with immature and mature root development were formalin-fixed, decalcified in 10% ethylenediaminetetraacetic acid, and processed for routine immunohistochemistry with endothelial cell markers anti-CD34 and anti-CD146 and angiogenic markers anti-vascular endothelial growth factor (VEGF) and anti-VEGF receptor-2 (VEGFR2). Staining was visualized with diaminobenzidine and examined using light microscopy. The distribution of markers was analyzed qualitatively and quantitatively in the coronal, middle, and apical regions of the dentine-pulp complex. RESULTS: There were spatial differences in protein expression for immature and mature teeth. The pulps of immature teeth were more vascular, had a greater number of CD34+ and CD146+ cells, and a significantly higher MVD in the coronal region than those of mature teeth (P=0.03). The apical papilla contained few blood vessels. VEGF/VEGFR2 activity was significantly greater for immature teeth (P=0.001). VEGF was expressed throughout the pulp-dentine complex, but there was significantly more growth factor coronally (immature P=0.04 and mature P=0.02). VEGFR2 was expressed less than VEGF but was seen on the endothelial cells and single cells unrelated to a vessel lumen. CONCLUSION: The spatial distribution of vascular and angiogenic (VEGF/VEGFR2) markers indicates the potential for altered healing responses in the pulps of immature and mature teeth. Immature teeth have a greater MVD and VEGF/VEGFR2 expression than mature teeth, and the increased expression of these markers in the coronal region of both tooth types is important for pulp healing.

6.
J Clin Periodontol ; 44(12): 1182-1191, 2017 Dec.
Article in English | MEDLINE | ID: mdl-28733997

ABSTRACT

OBJECTIVES: To assess long-term attachment and periodontitis-related tooth loss (PTL) in untreated periodontal disease over 40 years. MATERIAL AND METHODS: Data originated from the natural history of periodontitis study in Sri Lankan tea labourers first examined in 1970. In 2010, 75 subjects (15.6%) of the original cohort were re-examined. RESULTS: PTL over 40 years varied between 0 and 28 teeth (mean 13.1). Four subjects presented with no PTL, while 12 were edentulous. Logistic regression revealed attachment loss as a statistically significant covariate for PTL (p < .004). Markov chain analysis showed that smoking and calculus were associated with disease initiation and that calculus, plaque, and gingivitis were associated with loss of attachment and progression to advanced disease. Mean attachment loss <1.81 mm at the age of 30 yielded highest sensitivity and specificity (0.71) to allocate subjects into a cohort with a dentition of at least 20 teeth at 60 years of age. CONCLUSIONS: These results highlight the importance of treating early periodontitis along with smoking cessation, in those under 30 years of age. They further show that calculus removal, plaque control, and the control of gingivitis are essential in preventing disease progression, further loss of attachment and ultimately tooth loss.


Subject(s)
Disease Progression , Periodontitis/complications , Periodontitis/epidemiology , Tooth Loss/epidemiology , Tooth Loss/etiology , Adolescent , Adult , Areca , Chronic Periodontitis/complications , Chronic Periodontitis/epidemiology , Dental Calculus/complications , Dental Calculus/epidemiology , Dental Calculus/prevention & control , Dental Plaque/complications , Dental Plaque/epidemiology , Dental Plaque/prevention & control , Gingivitis/complications , Gingivitis/epidemiology , Gingivitis/prevention & control , Habits , Hong Kong , Humans , Jaw, Edentulous, Partially/epidemiology , Jaw, Edentulous, Partially/etiology , Logistic Models , Longitudinal Studies , Male , Markov Chains , Mouth, Edentulous/etiology , Periodontal Attachment Loss/complications , Periodontal Attachment Loss/epidemiology , Periodontal Diseases/complications , Periodontal Diseases/epidemiology , Periodontal Index , Periodontitis/prevention & control , Risk Factors , Sensitivity and Specificity , Smoking , Smoking Cessation , Time Factors , Tooth Loss/prevention & control , Young Adult
7.
PeerJ ; 4: e2095, 2016.
Article in English | MEDLINE | ID: mdl-27330858

ABSTRACT

Background. A loss of mucosal tolerance to the resident microbiome has been postulated in the aetiopathogenesis of spondyloarthritis, thus the purpose of these studies was to investigate microbial communities that colonise the oral cavity of patients with axial spondyloarthritis (AxSpA) and to compare these with microbial profiles of a matched healthy population. Methods. Thirty-nine participants, 17 patients with AxSpA and 22 age and gender-matched disease-free controls were recruited to the study. For patients with AxSpA, disease activity was assessed using the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). All participants underwent a detailed dental examination to assess oral health, including the presence of periodontal disease assessed using probing pocket depth (PPD). Plaque samples were obtained and their bacterial populations were profiled using Ion Torrent sequencing of the V6 region of the 16S rRNA gene. Results.Patients with AxSpA had active disease (BASDAI 4.1 ± 2.1 [mean ± SD]), and a significantly greater prevalence of periodontitis (PPD ≥ 4 mm at ≥4 sites) than controls. Bacterial communities did not differ between the two groups with multiple metrics of α and ß diversity considered. Analysis of operational taxonomic units (OTUs) and higher levels of taxonomic assignment did not provide strong evidence of any single taxa associated with AxSpA in the subgingival plaque. Discussion. Although 16S rRNA gene sequencing did not identify specific bacterial profiles associated with AxSpA, there remains the potential for the microbiota to exert functional and metabolic influences in the oral cavity which could be involved in the pathogenesis of AxSpA.

8.
Periodontol 2000 ; 71(1): 22-51, 2016 Jun.
Article in English | MEDLINE | ID: mdl-27045429

ABSTRACT

Plaque-induced periodontal diseases occur in response to the accumulation of dental plaque. Disease manifestation and progression is determined by the nature of the immune response to the bacterial complexes in plaque. In general, predisposing factors for these periodontal diseases can be defined as those factors which retain or hinder the removal of plaque and, depending upon the nature of the immune response to this plaque, the disease will either remain stable and not progress or it may progress and result in chronic periodontitis. In contrast, modifying factors can be defined as those factors that alter the nature or course of the inflammatory lesion. These factors do not cause the disease but rather modify the chronic inflammatory response, which, in turn, is determined by the nature of the innate and adaptive immune responses and the local cytokine and inflammatory mediator networks. Chronic inflammation is characterized by vascular, cellular and repair responses within the tissues. This paper will focus on how common modifying factors, such as smoking, stress, hormonal changes, diabetes, metabolic syndrome and HIV/AIDS, influence each of these responses, together with treatment implications. As treatment planning in periodontics requires an understanding of the etiology and pathogenesis of the disease, it is important for all modifying factors to be taken into account. For some of these, such as smoking, stress and diabetic control, supportive health behavior advice within the dental setting should be an integral component for overall patient management.


Subject(s)
Chronic Periodontitis/immunology , Animals , Chronic Periodontitis/therapy , Dental Plaque/immunology , Dental Plaque/therapy , Female , Humans , Immunity, Humoral , Immunity, Innate , Pregnancy , Risk Factors
9.
Arch Oral Biol ; 67: 39-45, 2016 Jul.
Article in English | MEDLINE | ID: mdl-27023400

ABSTRACT

The aim of this study was to compare total IgA in the whole saliva of children with Down syndrome with levels in sibling and parent groups. IgA measurements were presented as the concentration in saliva (µg/ml) and also adjusted for salivary flow rate (SFR; µg/min). Twenty children with Down syndrome, ten siblings and twenty parents were recruited. Stimulated whole saliva was collected from the participants and SFR calculated. The measurement of salivary IgA (sIgA) was carried out using an indirect competitive Enzyme-Linked Immunosorbent Assay. The difference in the mean SFR between children with Down syndrome, parents and siblings were not statistically significant. The mean salivary concentration of IgA was higher in children with Down syndrome (95.1 µg/ml) compared with siblings (48.3 µg/ml; p=0.004). When adjusted for SFR children with Down syndrome had mean sIgA levels of 98.8 µg/min and the siblings 48.6 µg/min (p=0.008). The children with Down syndrome had sIgA levels similar to those of the parents (92.5 µg/ml; 93.2 µg/min). There was a positive correlation between age and sIgA concentration in the siblings (p=0.008) but not for children with Down syndrome (p=0.363). This suggests that under similar environmental influences, the levels of sIgA in children with Down syndrome are higher than in the siblings, from a very young age.


Subject(s)
Down Syndrome/immunology , Immunoglobulin A, Secretory/immunology , Saliva/immunology , Adolescent , Child , Child, Preschool , Enzyme-Linked Immunosorbent Assay , Female , Humans , Immunoglobulin A/analysis , Male , Oral Health , Secretory Rate
10.
Clin Oral Implants Res ; 27(3): 288-94, 2016 Mar.
Article in English | MEDLINE | ID: mdl-25529603

ABSTRACT

BACKGROUND: It has been suggested that completely edentulous patients harbour fewer periodontopathic bacteria compared with dentate patients, due to the removal of the subgingival periodontal environment. However, reappearance of certain microbes has been reported after the placement of implants in these patients. AIM: The aim of this study was to determine whether the periodontopathic bacteria Porphyromonas gingivalis and Tannerella forsythia, as well as the non-periodontopathic bacterium, Staphylococcus aureus, emerged in edentulous patients 6 months after placement of one-piece zirconia and titanium implants. MATERIALS AND METHODS: Twenty-six patients were included in the study (titanium = 13, zirconia = 13). Microbial samples were collected from the tongue prior to implant placement and 6 months after implant placement from both the tongue and from around the implants. A qRT-PCR assay using SYBR green/ROX chemistry was used for the detection and quantification of rgp, nuc and karilysin single-copy gene of P. gingivalis, T. forsythia and S. aureus, respectively. Positive controls used in the study were pure bacterial gDNA purified from cultures of P. gingivalis and S. aureus, a cloned sequence of the karilysin gene for T. forsythia, a plaque sample positive for P. gingivalis and T. forsythia, and nasal gDNA for S. aureus. RESULTS: The results show that prior to implant placement, all three bacterial species were below the lower limit of quantification in all edentulous patients. The samples collected from the tongue and around the implants remained below the lower limit of quantification for each of the three species. However, all positive controls used in the study were detectable in the samples. qPCR standard curves showed correlation coefficients >0.97 and efficiencies >94.5% (slope range -3.19 to -3.46) for each of the SYBR green PCR assays. CONCLUSION: The results of this study indicate that the tested organisms did not emerge 6 months after implant placement irrespective of the nature of the implant biomaterial. A further follow-up of at least 2 years post-implantation of these patients is suggested to determine whether there are any changes in the oral microbiota and whether such changes are associated with the development of peri-implant disease.


Subject(s)
Gingiva/microbiology , Mouth, Edentulous/microbiology , Porphyromonas gingivalis/isolation & purification , Staphylococcus aureus/isolation & purification , Tannerella forsythia/isolation & purification , Tongue/microbiology , DNA, Bacterial/analysis , Dental Implants , Humans , Real-Time Polymerase Chain Reaction , Titanium , Zirconium
11.
J Periodontol ; 86(7): 847-55, 2015 Jul.
Article in English | MEDLINE | ID: mdl-25741582

ABSTRACT

BACKGROUND: Triclosan toothpaste is effective in controlling plaque and gingivitis and slowing progression of periodontitis; however, its influence on inflammatory biomarkers of cardiovascular disease (CVD), as well as on kidney and liver function, is unknown. METHODS: Patients recruited from the Cardiovascular Unit at Prince Charles Hospital, Brisbane, Australia, were randomized to triclosan (n = 193) or placebo (n = 190) groups and assessed for total cholesterol (TC), high density lipoprotein (HDL) and low density lipoprotein (LDL) cholesterol, triglycerides, C-reactive protein, erythrocyte sedimentation rate (ESR), hemoglobin, total white cell count (WCC), estimated glomerular filtration rate (eGFR), and liver function enzymes, annually for 5 years. A standard mixed model for each marker included group, sex, age, hypertension, diabetes, periodontal status, statin and anti-inflammatory drug use, and smoking as covariates. Changes in eGFR, WCC, and ESR were further analyzed using transition modeling. RESULTS: Triclosan toothpaste led to a greater decrease in TC (P = 0.03), LDL cholesterol (P = 0.04), and HDL cholesterol (P = 0.05) than placebo toothpaste. ESR increased at a slower rate in the triclosan group (P ≈ 0.06) and was less likely to increase and more likely to improve in males on statins but not anti-inflammatory drugs in the triclosan group versus the placebo group. Markov modeling of the binary response for eGFR (greater than or less than/equal to the baseline median value) showed that patients with diabetes in the placebo group were significantly (P ≈ 0.05) more likely to deteriorate than either patients with diabetes in the triclosan group or patients without diabetes in each group. CONCLUSIONS: These data suggest that triclosan toothpaste may influence some inflammatory biomarkers of CVD, but not kidney or liver function. However, it is unclear if this influence is clinically significant.


Subject(s)
Anti-Infective Agents, Local/therapeutic use , Cardiovascular Diseases/blood , Inflammation Mediators/analysis , Toothpastes/therapeutic use , Triclosan/therapeutic use , Adult , Aged , Biomarkers/analysis , Biomarkers/blood , Blood Sedimentation , C-Reactive Protein/analysis , Cholesterol/blood , Cholesterol, HDL/blood , Cholesterol, LDL/blood , Diabetes Complications , Double-Blind Method , Female , Follow-Up Studies , Glomerular Filtration Rate/drug effects , Hemoglobins/analysis , Humans , Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use , Inflammation Mediators/blood , Leukocyte Count , Male , Middle Aged , Placebos , Prospective Studies , Smoking , Triglycerides/blood , Young Adult
12.
Sci Total Environ ; 508: 546-52, 2015 Mar 01.
Article in English | MEDLINE | ID: mdl-25442641

ABSTRACT

Adverse effects of long-term usage of triclosan-containing toothpaste in humans are currently unknown. We assessed the effect of long-term use of 0.3% triclosan-toothpaste on serious adverse events (SAEs) in patients with cardiovascular disease (CVD). 438 patients with a history of stable CVD were entered into the 5-year longitudinal Cardiovascular and Periodontal Study at Prince Charles Hospital, Brisbane, Australia and randomised into test (triclosan) or placebo groups. There were no significant differences in demographics or clinical features between the groups. Patients were examined at baseline, and annually for 5-years. SAEs were classified according to the System Organ Classes defined by MedDRA (Medical Dictionary for Regulatory Activities). Results were analysed using chi square and Kaplan Meier analysis. Overall, 232 patients (123 in the triclosan group; 109 in the placebo group) experienced 569 SAEs (288 in the triclosan group and 281 in the placebo group). There was no significant difference between the groups in numbers of patients experiencing SAEs (p=0.35) or specific cardiovascular SAEs (p=0.82), nor in time to the first SAE or first cardiovascular SAE, irrespective of gender, age or BMI after adjusting for multiple comparisons (p>0.05). The adjusted odds of experiencing an SAE were estimated to increase by 2.7% for each year of age (p=0.02) and the adjusted odds of experiencing a cardiovascular SAE were estimated to increase by 5.1% for each unit increase in BMI (p=0.02). Most cardiovascular events were related to unstable angina or myocardial infarcts, 21 were associated with arrhythmia and 41 were vascular events such as aortic aneurysm and cerebrovascular accident. Within the limitations of the present study the data suggest that the use of triclosan-toothpaste may not be associated with any increase in SAEs in this CVD population. The long-term impact of triclosan on hormone-related disease, such as cancer, in humans remains to be determined.


Subject(s)
Anti-Infective Agents, Local/adverse effects , Cardiovascular Diseases/epidemiology , Toothpastes/adverse effects , Triclosan/adverse effects , Australia/epidemiology , Female , Humans , Male , Middle Aged
13.
J Periodontol ; 85(5): e104-10, 2014 May.
Article in English | MEDLINE | ID: mdl-24171501

ABSTRACT

BACKGROUND: Data on the periodontal status of the adult population in the Arab world are scarce. The aim of this pilot study is to assess the prevalence, extent, and severity of periodontal diseases in an adult group from Oman. METHODS: This is a cross-sectional study of 319 teachers who were randomly sampled from the list of teachers from the Muscat region schools in Oman. Dental caries, tooth loss, and periodontal attachment loss (AL) were recorded for each of the participants. A questionnaire collected data on participants' sociodemographic characteristics, dental-care characteristics, self-rated periodontal status, and self-rated well-being. RESULTS: A total of 99% of participants had at least one site with probing depth (PD) or clinical AL of ≥ 3 mm. More than one third (36%) of participants had at least one site with AL ≥ 5 mm, and 12% had at least one site with AL ≥ 6 mm; for PD, the prevalence estimates were 26% and 8%, respectively, and a gradient by age group was evident across the different thresholds. Regarding the extent of disease, 17.6% of sites had PD ≥ 3 mm, and 21% of sites had AL ≥ 3 mm. CONCLUSIONS: The prevalence, extent, and severity of periodontitis were higher than estimates reported from industrialized countries, such as Australia, New Zealand, and the United States. This is of concern, especially when considering the relatively young age of the study population. Because of this high prevalence, investigation of periodontitis in a national sample of Omanis is desirable to confirm the findings of this study.


Subject(s)
Periodontal Diseases/epidemiology , Adult , Age Factors , Alveolar Bone Loss/epidemiology , Attitude to Health , Cross-Sectional Studies , Dental Care/statistics & numerical data , Dental Caries/epidemiology , Female , Humans , Male , Middle Aged , Oman/epidemiology , Periodontal Attachment Loss/epidemiology , Periodontal Pocket/epidemiology , Periodontitis/epidemiology , Pilot Projects , Population Surveillance , Prevalence , Self Concept , Smoking/epidemiology , Tooth Loss/epidemiology , Young Adult
14.
N Z Dent J ; 109(2): 64-8, 2013 Jun.
Article in English | MEDLINE | ID: mdl-23767169

ABSTRACT

OBJECTIVE: The aim of this pilot study was to investigate the Transtheoretical Model (TTM) in relation to measures of readiness to change oral hygiene behaviours. RESEARCH DESIGN: Participants (N = 105) were recruited from a dental hygiene patient waiting list. A self-administered questionnaire was designed; it included four measures related to inter-dental cleaning used for TTM staging, confidence and frequency measures of future interdental cleaning and toothbrushing, together with items seeking demographic details. Data collection occurred before a dental hygiene appointment where oral health advice was offered, and then at three and six months afterwards, in order to measure readiness to change post-intervention. RESULTS: All three questionnaires were returned by 91.4% of participants. The confidence measures for maintaining toothbrushing twice per day and for interdental cleaning were associated with TTM staging at baseline (respective correlation coefficients of 0.200; P = 0.042 and 0.584; P < 0.001). Participants were likely to be in a higher TTM stage at 3 months after attendance at the dental hygiene clinic and then decline to a lower TTM stage by 6 months (baseline to 3 months and 6 months: Wilcoxon signed rank tests of p= 0.024 and p = 0.627). Of the 31 participants (33%) who improved their TTM staging between baseline and 3 months, 11 (35%) fell back to a lower category between 3 months and 6 months, 14 (45%) maintained their improvement, and 6 (19%) improved further. CONCLUSIONS: Understanding a person's readiness to change could improve the way in which oral hygiene interventions and advice are given in the clinical setting. The TTM staging measurement tool used here provides insight into people's readiness to change their oral hygiene behaviours, and its use would aid practitioners in the delivery of oral health messages. The initial improvement in TTM stage and subsequent regression was consistent with the TTM's relapse phenomenon and reinforces the concept that on-going support is crucial to maintaining behaviour change.


Subject(s)
Behavior Therapy , Health Behavior , Models, Psychological , Oral Hygiene/psychology , Algorithms , Confidence Intervals , Female , Humans , Male , Pilot Projects , Statistics, Nonparametric , Surveys and Questionnaires
15.
Periodontol 2000 ; 62(1): 271-86, 2013 Jun.
Article in English | MEDLINE | ID: mdl-23574472

ABSTRACT

The concept of focal infection or systemic disease arising from infection of the teeth was generally accepted until the mid-20th century when it was dismissed because of lack of evidence. Subsequently, a largely silo approach was taken by the dental and medical professions. Over the past 20 years, however, a plethora of epidemiological, mechanistic and treatment studies have highlighted that this silo approach to oral and systemic diseases can no longer be sustained. While a number of systemic diseases have been linked to oral diseases, the weight of evidence from numerous studies conducted over this period, together with several systematic reviews and meta-analyses, supports an association between periodontitis and cardiovascular disease, and between periodontitis and diabetes. The association has also been supported by a number of biologically plausible mechanisms, including direct infection, systemic inflammation and molecular mimicry. Treatment studies have shown that periodontal treatment may have a small, but significant, systemic effect both on endothelial function and on glycemic control. Despite this, however, there is no direct evidence that periodontal treatment affects either cardiovascular or diabetic events. Nevertheless, over the past 20 years we have learnt that the mouth is an integral part of the body and that the medical and dental professions need to work more closely together in the provision of overall health care for all patients.


Subject(s)
Disease , Periodontal Diseases/complications , Atherosclerosis/complications , Atherosclerosis/microbiology , Atherosclerosis/prevention & control , Blood Glucose/analysis , Diabetes Complications/prevention & control , Endothelial Cells/physiology , Endothelium, Vascular/pathology , Focal Infection, Dental/complications , Focal Infection, Dental/therapy , Humans , Molecular Mimicry , Periodontal Diseases/microbiology , Periodontal Diseases/therapy
16.
Int Dent J ; 63(1): 7-11, 2013 Feb.
Article in English | MEDLINE | ID: mdl-23410016

ABSTRACT

BACKGROUND: The Arab World consists of 22 countries from North and North-east Africa and the Middle East. Periodontal disease is an important global oral health burden, and is highly prevalent in developing countries. OBJECTIVES: The objective of this narrative review is to report on the recorded prevalence of periodontitis in the Arab World, and to examine the methods used in collecting the data. DATA AND SOURCES: A search of the literature was performed using the PubMed database up to September 2011 to identify articles that reported on the prevalence of periodontal disease in the 22 Arab countries. Reports kept in the World Health Organization (WHO) Global Health Data bank were also used in this review. CONCLUSION: There is a paucity of up-to-date data regarding the prevalence of periodontitis in the Arab adult population. Most relevant data are at least 10 years old. From the literature available, it is clear that there is a need for epidemiological data that are representative of the adult population from this region. Such data will enable proper development of guidelines, allocation of resources and the development of appropriate public health programmes.


Subject(s)
Arabs/statistics & numerical data , Periodontitis/epidemiology , Adult , Africa, Northern/epidemiology , Gingivitis/epidemiology , Humans , Middle East/epidemiology , Periodontal Index , Prevalence
17.
Clin Oral Implants Res ; 24(5): 484-96, 2013 May.
Article in English | MEDLINE | ID: mdl-22276690

ABSTRACT

BACKGROUND: In the replacement of missing teeth, a paradigm shift is currently observed with immediate implant placement and/or restoration, particularly in the aesthetic zone. In molar sites, however, anatomical, occlusal and biomechanical considerations remain deterrent factors influencing the outcome of this treatment paradigm. The aim of this report was to evaluate immediate placement and immediate restoration of strongly tapered wide-diameter implant in fresh mandibular molar extraction sockets. METHODS: Twenty-four 8- or 9-mm diameter implants were placed in either a fresh molar extraction socket or a healed site. All the implants received provisional crowns within 48 h. The provisional crowns were replaced with full ceramic crowns after 8 weeks of implant placement. RESULTS: The overall implant success rate after 1 year of service for the 24 implants in two treatment groups was 75%. Success rates were 83.3% and 66.7% for the delayed and immediate placement groups respectively, with no significant difference observed between the two groups (P = 0.35). Implant stability measurements identified the immediately placed implants to be more stable immediately after surgery than delayed placed implants. In contrast, the delayed placed implants were more stable after 8 week healing time. CONCLUSIONS: The rehabilitation of single missing mandibular molars by immediately placed and restored wide-diameter implants was associated with a relatively high failure rate.


Subject(s)
Dental Implantation, Endosseous/methods , Dental Implants, Single-Tooth , Immediate Dental Implant Loading , Mandible/surgery , Tooth Socket/surgery , Crowns , Female , Humans , Male , Middle Aged , Tooth Extraction , Treatment Outcome
18.
J Clin Periodontol ; 39(10): 923-30, 2012 Oct.
Article in English | MEDLINE | ID: mdl-22882677

ABSTRACT

AIM: To determine the relationship between periodontal pathogen load and anti-human heat shock protein 60 (hHSP60) antibodies in patients with established cardiovascular disease (CVD). MATERIALS AND METHODS: Participants were cardiovascular patients (n = 74) with a previous hospital admission for myocardial infarction. Concurrent periodontal pathogen load of Porphyromonas gingivalis, Fusobacterium nucleatum, Tannerella forsythia and Aggregatibacter actinomycetemcomitans was determined using quantitative real-time PCR. Serum antibodies to these pathogens, GroEL and hHSP60 were determined using an ELISA. RESULTS: There was a trend for increasing anti-hHSP60 antibody as the number of bacterial species increased. The strongest positive correlations were found between anti-hHSP60 levels and numbers of T. forsythia (r = 0.43; p < 0.001) and between anti-hHSP60 and anti-GroEL levels (r = 0.39; p = 0.001). Patients with extensive periodontal pocketing (≥4 mm) had higher numbers of P. gingivalis and T. forsythia (p < 0.05) and a higher subgingival pathogen load (p < 0.05) than patients with minimal pocketing (≤1 site ≥ 4 mm). They also had significantly elevated anti-hHSP60 levels (p < 0.05). Overall, the highest anti-hHSP60 levels were seen in patients with extensive periodontal pocketing and all four bacterial species. CONCLUSIONS: In cardiovascular patients, a greater burden of subgingival infection with increased levels of P. gingivalis and T. forsythia is associated with modestly higher anti-hHSP60 levels.


Subject(s)
Bacterial Load/immunology , Chaperonin 60/immunology , Cross Reactions/immunology , Myocardial Infarction/complications , Periodontal Pocket/microbiology , Aged , Antibodies/blood , Bacteria/classification , Bacteria/genetics , Bacteria/immunology , Bacterial Proteins/immunology , DNA, Bacterial/analysis , Dental Plaque/immunology , Dental Plaque/microbiology , Female , Humans , Male , Middle Aged , Molecular Mimicry/immunology , Myocardial Infarction/blood , Myocardial Infarction/immunology , Periodontal Index , Periodontal Pocket/blood , Periodontal Pocket/metabolism
19.
J Clin Periodontol ; 39(6): 537-45, 2012 Jun.
Article in English | MEDLINE | ID: mdl-22486380

ABSTRACT

AIMS: To compare a monotherapy of Er:YAG laser debridement (ERL), wavelength 2940 nm, with mechanical scaling and root planing (SRP) for the treatment of chronic periodontitis using clinical and patient-centred outcomes. METHODS: Twenty-eight participants had two randomly assigned quadrants treated with ERL and two with SRP. Full-mouth plaque index, probing depth, bleeding on probing, clinical attachment level and gingival recession were recorded at baseline and 6- and 12-weeks post therapy. A questionnaire was used to assess pain, discomfort and satisfaction during and after treatment. RESULTS: Twenty-two participants completed treatment and had 6- and 12-week clinical re-evaluations. SRP provided greater mean pocket depth reduction at 6- and 12-weeks (p = 0.01 and p = 0.003 respectively), and a greater reduction in pockets ≥ 4 mm at 6 weeks only (p = 0.03) compared with ERL. SRP also resulted in a significant reduction in bleeding on probing (BOP) sites at 12 weeks compared with ERL and a statistically significant greater reduction in mean clinical attachment level (CAL) at 6- (p = 0.02) and 12-weeks (p = 0.03). Patients expressed greater satisfaction with SRP on the day of treatment but were equally satisfied subsequently. CONCLUSION: SRP resulted in a statistically significant greater short-term improvement in clinical parameters and patient satisfaction compared with ERL.


Subject(s)
Chronic Periodontitis/therapy , Dental Scaling , Lasers, Solid-State/therapeutic use , Periodontal Debridement/methods , Adult , Aged , Dental Plaque Index , Dental Scaling/instrumentation , Female , Gingival Recession/therapy , Humans , Likelihood Functions , Male , Middle Aged , Patient Satisfaction , Periodontal Attachment Loss/therapy , Periodontal Index , Prospective Studies , Single-Blind Method , Statistics, Nonparametric , Surveys and Questionnaires , Treatment Outcome , Ultrasonic Therapy
20.
N Z Dent J ; 108(1): 19-24, 2012 Mar.
Article in English | MEDLINE | ID: mdl-22439317

ABSTRACT

OBJECTIVE: The community pharmacy is an accessible service which, with further training and support, could be used to deliver oral health messages. This is important especially for those with systemic diseases such as diabetes mellitus and cardiovascular disease, where the oral environment may have a negative impact. This qualitative study assessed the feasibility of pharmacists delivering oral health messages in community pharmacies. DESIGN AND METHODS: Semi-structured interviews were conducted with 49 pharmacists in Dunedin and Auckland, New Zealand, with a focus on the pharmacists' current knowledge, attitudes and possibilities for providing oral health information to patients with diabetes and cardiovascular disease. FINDINGS: There is potential for community pharmacists to provide oral health information to patients, dependent on the approach of the pharmacist and the patient response. The majority of pharmacists agreed that providing oral health advice was within their role; however, few did so proactively. They highlighted a lack of available resources relating to oral health and systemic disease. Further training relating to oral health and systemic disease would be necessary to provide the knowledge to support any resources. The preferred option by pharmacists for such training was an evening course or workshop.


Subject(s)
Consumer Health Information , Health Education, Dental/methods , Pharmacies , Attitude of Health Personnel , Attitude to Health , Cardiovascular Diseases , Counseling , Diabetes Mellitus , Education, Pharmacy , Feasibility Studies , Health Promotion , Humans , Needs Assessment , New Zealand , Oral Health , Pharmacists , Professional Role , Professional-Patient Relations
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