Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 19 de 19
Filtrar
1.
Dent Traumatol ; 2024 Apr 09.
Artigo em Inglês | MEDLINE | ID: mdl-38590266

RESUMO

AIM: Traumatic dental injuries (TDIs) among children and adolescents have been acknowledged as of public health concern worldwide. The aim of the study was to assess the relationship between contextual and individual characteristics and TDIs in 12-year-old schoolchildren. MATERIALS AND METHODS: A cohort study was conducted with 355 schoolchildren living in deprived communities in the city of Manaus, Brazil. Contextual factors (place of residence and socio-economic indicators) and individual characteristics, including sex, family income, parents/guardians years of schooling, overjet and open bite (Dental Aesthetic Index), self-esteem (Rosenberg Self-Esteem Scale), sense of coherence (Sense of Coherence Scale), oral health beliefs, social support (Social Support Appraisals) were assessed at baseline. TDIs were measured at baseline and at 2-year follow-up using the O'Brien Index. Data were analysed through confirmatory factor analysis and structural equation modeling. RESULTS: The baseline prevalence of TDIs was 17.6% and the incidence of TDIs at 2-year follow-up was 26.8%. Better psychosocial status had a direct protective effect on the incidence of TDIs (ß = -.184). Better contextual characteristics (ß = -.135) and greater overjet (ß = -.203) were directly associated with poor psychosocial status. Higher schooling of parents/guardians directly predicted better psychosocial status (ß = .154). Psychosocial status mediated the relationship of greater overjet (ß = .036), contextual factors (ß = .024) and parental/guardian schooling (ß = -.027) with TDIs. CONCLUSIONS: Contextual factors and individual characteristics predicted TDIs. Psychosocial status was a relevant individual attribute in the causal network of TDIs, due to the direct effect on the incidence of TDIs as well as a mediator on the influence of contextual factors, overjet and parents/guardians schooling on the incidence of TDIs.

2.
Eur J Oral Sci ; 132(1): e12960, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37945535

RESUMO

This study investigated the role of oral health-related functional limitations and social well-being, self-perceived health, psychosocial factors, and social support in mediating the impact of malocclusion on health-related quality of life (HRQoL). A school-based 6-month cohort study was conducted with 376 12-year-old deprived adolescents. Measures at baseline included malocclusion (DAI score), dental caries, sociodemographic characteristics, psychosocial traits (self-esteem, sense of coherence, oral health beliefs), and social support. The oral health-related functional limitations and symptoms (social well-being) domains of the CPQ11-14 , self-perceived health, and HRQoL (Kiddo-KINDL) were evaluated at the 6-month follow-up. Associations between observed and latent variables (social support, psychosocial factors, and HRQoL) were evaluated using structural equation modelling, according to the Wilson and Cleary theoretical model. Malocclusion was indirectly associated with worse HRQoL, mediated by functional limitations, social well-being, and self-perceived health. Better psychosocial status was directly associated with better HRQoL, and higher social support was indirectly associated with better HRQoL via psychosocial factors. Dental caries experience, female sex, and lower family income were indirectly associated with worse HRQoL. The impact of malocclusion on HRQoL was mediated by oral health-related functional limitations, social well-being, and self-perceived health. Sociodemographic and psychosocial factors, and social support also impacted HRQoL.


Assuntos
Cárie Dentária , Má Oclusão , Humanos , Feminino , Adolescente , Qualidade de Vida/psicologia , Cárie Dentária/psicologia , Estudos de Coortes , Análise de Mediação , Inquéritos e Questionários , Saúde Bucal
3.
J Dent ; 133: 104504, 2023 06.
Artigo em Inglês | MEDLINE | ID: mdl-37019267

RESUMO

OBJECTIVES: This study examines the relationships between socio-economic status, psychosocial factors, health-related behaviours and the incidence of dental caries amongst 12-year-old schoolchildren living in deprived communities in Manaus, Brazil. METHODS: A longitudinal study involving 312 children aged 12 years was conducted in the city of Manaus, Brazil. Baseline data including socio-economic status (number of goods, household overcrowding, parents' schooling, family income), psychosocial factors (sense of coherence [SOC-13], social support [Social Support Appraisals questionnaire]) and health-related behaviours (frequency of toothbrushing, sugar consumption, sedentary behaviour) were collected through structured questionnaires. The number of decayed teeth was clinically assessed at baseline and one-year follow-up. A hypothesised model evaluating the direct and indirect pathways between the variables was tested using confirmatory factor analysis and structural equation modelling. RESULTS: The incidence of dental caries at the one-year follow-up was 25.6%. Sugar consumption (ß = 0.103) and sedentary behaviour (ß = 0.102) directly predicted the incidence of dental caries. A higher socio-economic status was directly linked with lower sugar consumption (ß = -0.243) and higher sedentary behaviour (ß = 0.227). Higher social support directly predicted lower sugar consumption (ß = -0.114). Lower socio-economic status (ß = -0.046) and lower social support (ß = -0.026) indirectly predicted the incidence of dental caries via sugar consumption and sedentary behaviour. CONCLUSIONS: In the population studied, sugar consumption and sedentary behaviour are meaningful predictors of the incidence of dental caries amongst schoolchildren living in deprived communities. Indirect pathways of lower socio-economic status and low social support with dental caries incidence via sugar consumption and sedentary behaviour were detected. These findings should be considered in oral interventions and oral health care policies to prevent dental caries amongst children living in deprivation. CLINICAL SIGNIFICANCE: Social conditions, social support, sedentary behaviour and sugar consumption directly influence dental caries in children.


Assuntos
Cárie Dentária , Humanos , Criança , Cárie Dentária/prevenção & controle , Estudos Longitudinais , Status Econômico , Brasil/epidemiologia , Incidência , Comportamentos Relacionados com a Saúde , Açúcares da Dieta , Índice CPO , Fatores Socioeconômicos
5.
BMC Oral Health ; 22(1): 340, 2022 08 10.
Artigo em Inglês | MEDLINE | ID: mdl-35948932

RESUMO

BACKGROUND: To examine the role of dental pain, sense of coherence (SOC) and social support on the relationship between dental caries and oral health-related quality of life (OHRQoL) in children aged 12 years. METHODS: A cross-sectional study involving 400 schoolchildren selected from public schools in a socioeconomically disadvantaged region in the city of Manaus, Brazil was carried out. The predictors of OHRQoL were selected according to the Wilson and Cleary theoretical model, including number of decayed teeth and its clinical consequence (component D of the DMFT index and PUFA/pufa index), dental pain (symptom status), and SOC and social support (individual and environmental characteristics). Statistical analysis was conducted through structural equation modelling and multivariable negative binomial regression. The significance level established for all analyses was 5%. RESULTS: Number of dental caries was indirectly linked with OHRQoL (ß = 0.19, 95% CI 0.11/0.29) through dental pain, SOC and social support. Clinical consequences of untreated caries directly predicted poor OHRQoL (ß = 0.12, 95% CI 0.01/0.23). Dental pain, SOC and social support did not moderate the effect of dental caries measures on OHRQoL. CONCLUSION: Our findings suggest the role of dental pain, SOC and social support as mediator factors on the link between dental caries and OHRQoL. Tackling dental caries along with psychosocial factors may attenuated the impact of oral health on OHRQoL in children.


Assuntos
Cárie Dentária , Qualidade de Vida , Brasil/epidemiologia , Criança , Estudos Transversais , Cárie Dentária/epidemiologia , Cárie Dentária/psicologia , Humanos , Saúde Bucal , Dor , Qualidade de Vida/psicologia
6.
BMC Oral Health ; 21(1): 663, 2021 12 25.
Artigo em Inglês | MEDLINE | ID: mdl-34953499

RESUMO

BACKGROUND: To investigate the influence of change on sense of coherence (SOC) on dental services use in adolescents over a two-year period. METHODS: A prospective follow-up study was conducted involving 334 12-year-old adolescents from public schools in the city of Manaus, Amazonas, Brazil. The predictors of use of dental services in the last 12 months were selected according to the Andersen's behavioural theoretical model. The predisposing factors included sex, self-reported skin colour and SOC. The enabling factors were dental insurance, monthly family income and parents/guardians schooling. Dental pain, perceived oral health status, dental caries and gingival status were used to assess need factors. Multivariable Poisson regression with robust variance was used to estimate incidence-rate ratios (IRR) and 95% confidence intervals between the independent variables and use of dental services. RESULTS: Adolescent's SOC scores decreased significantly between baseline and one-year follow-up. SOC decline decreased the likelihood of using dental services in the last 12 months (IRR = 0.96 95%CI 0.92-0.99). Dental caries (IRR = 1.03 95%CI 1.01-1.04) and gingival bleeding (IRR = 1.01 95%CI 1.01-1.02) remained associated with use of dental services in the last 12 months. Adolescents with dental pain were more likely to have visited a dentist in the last year (IRR = 1.03, 95%CI 1.01-1.06). CONCLUSION: SOC decrease over one-year period was a meaningful factor of dental services use among 12-year-old adolescents. Dental pain and clinical conditions were also relevant factors that can influence use of dental services in this group.


Assuntos
Cárie Dentária , Senso de Coerência , Adolescente , Brasil , Criança , Estudos Transversais , Assistência Odontológica , Seguimentos , Humanos , Saúde Bucal , Estudos Prospectivos
7.
Gen Dent ; 69(6): 18-23, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-34678737

RESUMO

This case series reports on the clinical and subjective success of tooth fragment reattachment in 2 girls and 2 boys aged 8 to 11 years (mean age of 9.5 years). A total of 7 fractured maxillary central incisors were evaluated, and 5 were treated with tooth fragment reattachment. One of the teeth undergoing the reattachment procedure had a complicated fracture, and 4 had uncomplicated fractures. The period of follow-up ranged from 9 months to 4 years. During the follow-up examinations, the restorations were evaluated clinically and radiographically to verify the position and stability of the dental fragment and signs of endodontic pathosis. The restorations were evaluated clinically according to the Ryge (US Public Health Service) criteria. The oral health-related quality of life (OHRQoL) was the subjective outcome, assessed through the Oral Health Impact Profile-Aesthetic (OHIP-Aes) questionnaire, which was completed before and after treatment. The perceived clinical changes were a small gap, marginal discoloration, or slight color change in 3 of the teeth. In 4 teeth the periodontium and periapical region remained normal, and 1 tooth presented a periapical lesion requiring endodontic treatment. The mean (SD) OHIP-Aes scores were 25.25 (7.14) pretreatment and 3.75 (3.30) posttreatment. The results of this case series suggest that tooth fragment reattachment is an effective, conservative technique that has good long-term clinical outcomes and can improve the patient's OHRQoL.


Assuntos
Colagem Dentária , Fraturas dos Dentes , Criança , Resinas Compostas , Restauração Dentária Permanente , Feminino , Humanos , Masculino , Qualidade de Vida , Coroa do Dente , Fraturas dos Dentes/terapia
8.
Int J Paediatr Dent ; 31(5): 619-626, 2021 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-33222334

RESUMO

BACKGROUND: The possible link between dental status and school performance has been investigated. The influence of the clinical consequences of untreated dental caries in this association, however, has been minimally explored. AIM: To assess the relationship between clinical consequences of untreated dental caries and school performance in adolescents, and to examine the demographics and socioeconomic status pathways by which clinical consequences of untreated dental caries is associated with school performance. DESIGN: A cross-sectional study involving 363 low-income school adolescents was conducted in the city of Manaus, Brazil. Dental clinical measures were registered by five calibrated examiners to evaluate dental caries experience (decayed, missing, and filled teeth index [DMFT]) and clinical sequelae of dental caries (PUFA/pufa index). School performance was assessed using school grade history obtained from official records. Statistical analysis was conducted using pathway analysis to estimate beta coefficients (ß) of the direct and indirect effects between variables. RESULTS: DMFT and PUFA/pufa mean were 1.93 and 0.30, respectively. PUFA/pufa scores (ß = -0.19) and male sex (ß = 0.35) directly predicted poor school performance. DMFT was indirectly linked to poor school performance via PUFA/pufa scores (ß = -0.03). CONCLUSIONS: Dental caries and clinical consequences of dental caries were important predictors of poor school performance in low-income adolescents via direct and indirect effects.


Assuntos
Cárie Dentária , Adolescente , Brasil/epidemiologia , Estudos Transversais , Índice CPO , Cárie Dentária/epidemiologia , Humanos , Masculino , Prevalência , Instituições Acadêmicas
9.
Caries Res ; 54(2): 176-184, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32294648

RESUMO

BACKGROUND/AIMS: This study evaluated the relationships of clinical consequences of untreated dental caries, individual characteristics, and environmental factors on self-reported oral health measures in adolescents. METHODS: A follow-up prevalence study was conducted involving 406 twelve-year-old adolescents selected from public schools in the eastern area of the city of Manaus, Brazil. Baseline data included clinical consequences of untreated caries (PUFA/pufa index), DMFT, sociodemographic characteristics (sex, parental schooling, and family income), psychosocial factors (sense of coherence [SOC-13 scale], oral health beliefs and self-esteem [Rosenberg Self-Esteem Scale]), and social support (SSA questionnaire). Oral health-related quality of life (OHRQoL [CPQ11-14]) and self-rated oral health were assessed at the 6-month follow-up. Structural equation modelling was used to explore the relationships between variables according to the Wilson and Cleary model. RESULTS: The prevalence of PUFA/pufa was 17.8% and mean DMFT was 1.5. The number of teeth with clinical consequences of untreated caries predicted poor self-rated oral health at the 6-month follow-up. Low parental schooling predicted low family income and clinical consequences of untreated dental caries. Psychosocial factors predicted OHRQoL directly and self-rated oral health indirectly. OHRQoL was linked to self-rated oral health. Clinical consequences of untreated dental caries mediated the relationship of parental schooling with OHRQoL and self-rated oral health. OHRQoL mediated the relationship of psychosocial factors and sex with self-rated oral health. Clinical consequences of untreated dental caries was associated with adolescents' self-rated oral health. Furthermore, the former was an important mediator on the link between low parental education and adolescents' self-reported oral health measures. CONCLUSIONS: Socioeconomic status, psychosocial factors, and social support were related to OHRQoL and self-rated oral health via direct and indirect pathways.


Assuntos
Cárie Dentária , Saúde Bucal , Brasil/epidemiologia , Criança , Estudos Transversais , Cárie Dentária/epidemiologia , Cárie Dentária/etiologia , Seguimentos , Humanos , Prevalência , Qualidade de Vida , Autorrelato , Inquéritos e Questionários
10.
Qual Life Res ; 29(1): 141-151, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31468278

RESUMO

PURPOSE: This study assessed the relationships between socioecononic status (SES), social support, oral health beliefs, psychosocial factors, health-related behaviours and health-related quality of life (HRQoL) in adolescents. METHODS: A school-based follow-up study involving 376 12-year-old adolescents was conducted in Manaus, Brazil. Baseline data included sociodemographic characteristics (sex, parental schooling, family income, household overcrowding and number of goods), social support (SSA questionnaire), oral health beliefs and psychosocial factors (Sense of Coherence [SOC-13 scale] and self-esteem [Rosenberg Self-Esteem Scale]). Health-related behaviours (toothbrushing frequency, sedentary behaviour, smoking and sugar consumption) and HRQoL [KINDL questionnaire] were assessed at 6-month follow-up. Structural Equation Modelling assessed the relationships between variables. RESULTS: Greater social support (ß = 0.30), higher SOC (ß = 0.23), higher self-esteem (ß = 0.23), higher toothbrushing frequency (ß = 0.14) and less smoking (ß = - 0.14) were directly linked with better HRQoL. SES (ß = 0.05), social support (ß = 0.26), oral health beliefs (ß = - 0.02) were indirectly linked to HRQoL. Higher SES directly predicted higher toothbrushing frequency (ß = 0.14) and less smoking (ß = - 0.22). Greater social support also directly predicted higher SOC (ß = 0.55), positive oral health beliefs (ß = - 0.31) and higher self-esteem (ß = 0.58). Greater social support indirectly predicted less smoking via oral health beliefs (ß = - 0.05) and less sugar consumption via SOC (ß = - 0.07). CONCLUSION: Socioeconomic status, social support, oral health beliefs and psychosocial factors were important predictors of adolescent's health behaviours and HRQoL over 6-month period through direct and indirect mechanisms. Health behaviours also directly influenced HRQoL.


Assuntos
Comportamentos Relacionados com a Saúde/fisiologia , Saúde Bucal/tendências , Qualidade de Vida/psicologia , Apoio Social , Criança , Feminino , Seguimentos , Humanos , Masculino , Projetos Piloto , Psicologia , Classe Social
11.
J Periodontol ; 91(2): 223-231, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31378922

RESUMO

BACKGROUND: Evidence on the possible influence of social and psychosocial factors on gingival status in socially disadvantaged children is scarce. The aim of this study is to assess the relationships among socioeconomic status, pattern of dental visits, self-esteem, oral health beliefs, toothbrushing frequency, oral hygiene effectiveness, and gingivitis in low social status adolescents. METHODS: A cross-sectional study was performed involving 406 12-year-old students recruited in Manaus, Brazil. Socioeconomic status (family income, parent's schooling, number of goods, and household crowding), self-esteem, oral health beliefs, and frequency of toothbrushing were collected through self-completed questionnaires. Gingival status (bleeding on probing) and oral hygiene effectiveness (dental calculus) were evaluated by calibrated dentists through oral examinations. Structural equation modeling assessed the direct and indirect relationships between variables guided by a theoretical model. RESULTS: The prevalence of gingivitis was 77.6%. Worse socioeconomic status and poor oral hygiene effectiveness directly predicted gingival bleeding. Socioeconomic status was also linked to toothbrushing frequency. Positive oral health beliefs and higher self-esteem predicted higher frequency of toothbrushing. The latter was directly linked to greater oral hygiene effectiveness. Oral health beliefs and self-esteem indirectly predicted gingival bleeding via toothbrushing frequency and oral hygiene effectiveness. CONCLUSION: The present findings suggest the importance of socioeconomic status and psychosocial factors on gingival status in underprivileged adolescents. Poor oral hygiene mediated the associations between psychosocial factors and gingival status.


Assuntos
Gengivite , Populações Vulneráveis , Adolescente , Brasil , Criança , Estudos Transversais , Humanos , Classe Social , Fatores Socioeconômicos , Escovação Dentária
12.
J Esthet Restor Dent ; 27(2): 84-91, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25565165

RESUMO

PURPOSE: To clinically evaluate in humans the effectiveness of a modified flap for root coverage associated with connective tissue graft or acellular dermal matrix graft after a postoperative period of 12 months. MATERIALS AND METHODS: Thirty bilateral gingival recessions were selected and randomly assigned into experimental groups. All of them were treated with a modified surgical flap, with the releasing incisions placed on the mesial and distal line angles of the adjacent teeth, distant from the main defect, providing a broader flap. One site was treated with the autograft and the contralateral site, with the allograft. Probing depth, clinical attachment level, gingival recession, and keratinized tissue width were measured at baseline and after 12 months. RESULTS: Both procedures significantly improved the clinical parameters evaluated, without statistically significant differences between them. While the autograft group had a mean gingival recession reduction from 3.15 to 0.67 mm, in the allograft group, it was from 3.47 to 0.93 mm. CONCLUSION: The extended flap technique can improve the root coverage results using the subepithelial connective tissue graft or the acellular dermal matrix. CLINICAL SIGNIFICANCE: Graft survival plays a decisive role in mucogingival therapy results and the selection of the appropriate surgical technique is important to achieve it. This 12-month randomized study showed that an extended flap is able to improve the results of root coverage of localized gingival recessions not only when using the acellular dermal matrix as shown in a previous study, but also when using the subepithelial connective tissue. On this basis, this surgical technique can be suggested as the procedure of choice for treating this type of defect.


Assuntos
Retração Gengival/cirurgia , Retalhos Cirúrgicos , Raiz Dentária/cirurgia , Adolescente , Criança , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
13.
J Periodontol ; 82(1): 72-9, 2011 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-20722531

RESUMO

BACKGROUND: Preventing ridge collapse with the extraction of maxillary anterior teeth is vital to an esthetic restorative result. Several regenerative techniques are available and are used for socket preservation. The aim of this study is to analyze by clinical parameters the use of acellular dermal matrix (ADM) and anorganic bovine bone matrix (ABM) with synthetic cell-binding peptide P-15 to preserve alveolar bone after tooth extraction. METHODS: Eighteen patients in need of extraction of maxillary anterior teeth were selected and randomly assigned to the test group (ADM plus ABM/P-15) or the control group (ADM only). Clinical measurements were recorded initially and at 6 months after ridge-preservation procedures. RESULTS: In the clinical measurements (external vertical palatal measurement [EVPM], external vertical buccal measurement [EVBM], and alveolar horizontal measurement [AHM]) the statistical analysis showed no difference between test and control groups initially and at 6 months. The intragroup analysis, after 6 months, showed a statistically significant reduction in the measurements for both groups. In the comparison between the two groups, the differences in the test group were as follows: EVPM = 0.83 ± 1.53 mm; EVBM = 1.20 ± 2.02 mm; and AHM = 2.53 ± 1.81 mm. The differences in the control group were as follows: EVPM = 0.87 ± 1.13 mm; EVBM = 1.50 ± 1.15 mm; and AHM = 3.40 ± 1.39 mm. The differences in EVPM and EVBM were not statistically significant; however, in horizontal measurement (AHM), there was a statistically significant difference (P<0.05). CONCLUSION: The results of this study show that ADM used as membrane associated with ABM/P-15 can be used to reduce buccal-palatal dimensions compared to ADM alone for preservation of the alveolar ridge after extraction of anterior maxillary teeth.


Assuntos
Alveoloplastia/métodos , Materiais Biocompatíveis/uso terapêutico , Matriz Óssea/transplante , Colágeno/uso terapêutico , Maxila/cirurgia , Fragmentos de Peptídeos/uso terapêutico , Alvéolo Dental/cirurgia , Adulto , Perda do Osso Alveolar/prevenção & controle , Processo Alveolar/patologia , Feminino , Seguimentos , Regeneração Tecidual Guiada Periodontal/métodos , Humanos , Masculino , Maxila/patologia , Membranas Artificiais , Pessoa de Meia-Idade , Retalhos Cirúrgicos , Extração Dentária
14.
Perionews ; 4(6): 567-572, nov.-dez. 2010. ilus
Artigo em Português | LILACS | ID: lil-726684

RESUMO

Occlusal trauma since the past century, generates discussions about its real effect on the periodontium. This condition causes bone loss and tooth mobility, having been associated with periodontal disease. Researches carried out failed to prove that the occlusal trauma could act as etiologic factor for periodontal disease. Although few studies have been conducted in humans, the available studies have shown that occlusal trauma may interfere with the prognosis of periodontal disease, when both are present simultaneously and may impair treatment with dental implants. The aim of this review is to discuss critically the real role of occlusal trauma and its consequences to periodontium and dental implants.


Assuntos
Humanos , Implantes Dentários , Oclusão Dentária Traumática/complicações , Doenças Periodontais , Periodontite , Periodonto/lesões , Traumatismos Dentários
15.
Innov. implant. j., biomater. esthet. (Impr.) ; 5(2): 75-81, maio-ago. 2010. ilus
Artigo em Português | LILACS | ID: lil-581352

RESUMO

O tratamento reabilitador com implantes dentários tem se tornado cada vez mais comum nos consultórios odontológicos. Desde a introdução dos primeiros implantes, uma série de inovações tem sido propostas com o objetivo de melhorar os resultados obtidos com esses tratamentos, levando ao surgimento de diversos sistemas de implantes. Os mais comumente utilizados são o hexágono externo, o hexágono interno e o cone morse. Um dos grandes desafi os dos pesquisadores tem sido minimizar a perda óssea periimplantar, bastante comum após a instalação da maioria dos sistemas de implantes. O objetivo desse trabalho é discutir o comportamento dos diferentes tipos de implante quanto à reabsorção da crista óssea peri-implantar, revisando os principais fatores que podem levar a essa perda óssea e sua relação com as características dos implantes.


The rehabilitation with dental implants has become increasingly common in dental offices. Since the introduction of the first type of implant, many innovations have been proposed with the aim of improving the results obtained with these treatments, leading to the emergence of several implant systems. The most commonly used are external hexagonal, internal hexagonal and morse-taper. A main challenge for researchers has been to minimize the periimplant bone loss, very common after the implantation of the majority of implant systems. The aim of this paper is to discuss the behavior of different types of implants regarding the resorption of peri-implant bone crest, revising the main factors that can lead to this bone loss and its relation with the features of the implants.


Assuntos
Mandíbula , Nervo Mandibular , Radiografia Panorâmica
16.
Perionews ; 3(1): 31-36, jan.-mar. 2009. ilus
Artigo em Português | LILACS | ID: lil-688168

RESUMO

A recessão gengival é a preocupação estética mais associada aos tecidos periodontais. Diversas técnicas cirúrgicas foram desenvolvidas para obtenção de recobrimento radicular. Dentre elas, a técnica do enxerto conjuntivo subepitelial associada ao deslocamento coronário do retalho tem atingido altas taxas de sucesso e previsibilidade. Esse procedimento exige, no entanto, um segundo sítio cirúrgico, podendo causar dor e desconforto, aumentar o risco de sangramento e limitar o número de dentes que podem ser tratados em uma única cirurgia. Assim, a utilização de matriz dérmica acelular (MDA) foi introduzida como substituta do tecido conjuntivo autógeno, apresentando bons resultados. Contudo, a MDA é uma estrutura não-vital e seu processo de cicatrização depende das células e vasos sangüíneos do leito receptor e retalho. A técnica clássica, desenvolvida para enxertos autógenos, pode não ser adequada para a MDA, já que a proximidade das incisões em relação ao enxerto limita o suprimento sangüíneo e a fonte de células, além de permitir a invaginação epitelial e predispor a exposição do enxerto. 0 objetivo desse trabalho é propor uma nova técnica para recobrimento radicular com MDA em que as incisões relaxantes são realizadas nos dentes adjacentes ao dente envolvido, criando retalhos maiores e favorecendo o processo cicatricial do enxerto alógeno. A técnica descrita é indicada para o recobrimento de recessão gengival localizada Classes I ou II de Miller e foi idealizada de acordo com as características e comportamento biológico da MDA, com o intuito de melhorar a previsibilidade dos resultados.


Assuntos
Odontologia , Retração Gengival/cirurgia
17.
Periodontia ; 19(2): 93-99, 2009. ilus, tab
Artigo em Português | LILACS, BBO - Odontologia | ID: lil-576692

RESUMO

O enxerto de tecido conjuntivo subepitelial (ETCS) é utilizado no tratamento de recessões gengivais com resultados previsíveis. A matriz dérmica acelular (MDA) tem sido utilizada nas cirurgias plásticas periodontais com algumas vantagens como menor morbidade e maior disponibilidade de material. O objetivo deste estudo foi comparar clinicamente a utilização da MDA e do ETCS associados à técnica de retalho estendido. Foram selecionados 12 pacientes com recessões gengivais bilaterais classe I ou II de Miller. Um grupo foi tratado com MDA e o outro, com ETCS, sendo em ambos realizada a técnica do retalho estendido. Os parâmetros clínicos - Profundidade de Bolsa à Sondagem (PBS), Nível Clínico de Inserção (NCI), Recessão Gengival (RG) e Quantidade de Gengiva Queratinizada (QGQ) - foram avaliados 2 semanas após a Terapia Periodontal Básica e 3 meses após os procedimentos cirúrgicos. Os dois procedimentos apresentaram resultados favoráveis, com 80,68% de recobrimento radicular para ETCS e 71,17% para a MDA após 3 meses. Não houve diferenças estaticamente significantes entre os grupos. Conclui-se que o retalho estendido é uma técnica previsível quando associada tanto ao ECTS e a MDA com resultados semelhantes de recobrimento radicular.


The subepithelial connective tissue graft (SCTG) is used in the treatment of gingival recessions, with predictable outcomes. The acellular dermal matrix graft (ADMG) has been used in periodontal plastic surgery as a substitute for connective donor tissue, with some advantages, as less morbidity and greater availability of material. The purpose of this study was to clinically compare the use of SCTG and ADMG associated with the extended flap technique.12 patients with bilateral gingival recessions Class I or II Miller were selected. One group was treated with ADMG, while the other one was treated with SCTG, both associated with the extended flap technique. The clinical parameters – Probingdepth (PD), clinical attachment level (CAL), gingival recession(GR) and width of keratinized tissue (KT) - were measured 2 weeks after basic periodontal therapy and 3 months post-surgery. Both procedures showed favorable results, with 80.68% of root coverage for SCTG and 71.17% for the ADMG after 3 months. There was no statistically significant differences between groups. We conclude that the extended flap is a predictable technique when associated with ECTS and ADMG, with similar results regarding root coverage.


Assuntos
Humanos , Masculino , Feminino , Adulto , Estética Dentária , Retração Gengival , Transplante Autólogo , Transplante Homólogo
18.
Braz Dent J ; 19(1): 3-8, 2008.
Artigo em Inglês | MEDLINE | ID: mdl-19031648

RESUMO

Advances in diagnostic research are moving towards methods whereby the periodontal risk can be identified and quantified by objective measures using biomarkers. Patients with periodontitis may have elevated circulating levels of specific inflammatory markers that can be correlated to the severity of the disease. The purpose of this study was to evaluate whether differences in the serum levels of inflammatory biomarkers are differentially expressed in healthy and periodontitis patients. Twenty-five patients (8 healthy patients and 17 chronic periodontitis patients) were enrolled in the study. A 15 mL blood sample was used for identification of the inflammatory markers, with a human inflammatory flow cytometry multiplex assay. Among 24 assessed cytokines, only 3 (RANTES, MIG and Eotaxin) were statistically different between groups (p<0.05). In conclusion, some of the selected markers of inflammation are differentially expressed in healthy and periodontitis patients. Cytokine profile analysis may be further explored to distinguish the periodontitis patients from the ones free of disease and also to be used as a measure of risk. The present data, however, are limited and larger sample size studies are required to validate the findings of the specific biomarkers.


Assuntos
Periodontite Crônica/sangue , Mediadores da Inflamação/sangue , Biomarcadores/sangue , Quimiocina CCL2/sangue , Quimiocina CCL3/sangue , Quimiocina CCL4/sangue , Quimiocina CCL5/sangue , Quimiocina CXCL9/sangue , Quimiocinas CC/sangue , Citocinas/sangue , Proteína Ligante Fas/sangue , Fator 2 de Crescimento de Fibroblastos/sangue , Hemorragia Gengival/sangue , Fator Estimulador de Colônias de Granulócitos/sangue , Fator Estimulador de Colônias de Granulócitos e Macrófagos/sangue , Humanos , Interferon gama/sangue , Interleucina-9/sangue , Interleucinas/sangue , Linfotoxina-alfa/sangue , Perda da Inserção Periodontal/sangue , Bolsa Periodontal/sangue , Fator de Crescimento Transformador beta/sangue
19.
Braz. dent. j ; 19(1): 3-8, 2008. tab
Artigo em Inglês | LILACS | ID: lil-481120

RESUMO

Advances in diagnostic research are moving towards methods whereby the periodontal risk can be identified and quantified by objective measures using biomarkers. Patients with periodontitis may have elevated circulating levels of specific inflammatory markers that can be correlated to the severity of the disease. The purpose of this study was to evaluate whether differences in the serum levels of inflammatory biomarkers are differentially expressed in healthy and periodontitis patients. Twenty-five patients (8 healthy patients and 17 chronic periodontitis patients) were enrolled in the study. A 15 mL blood sample was used for identification of the inflammatory markers, with a human inflammatory flow cytometry multiplex assay. Among 24 assessed cytokines, only 3 (RANTES, MIG and Eotaxin) were statistically different between groups (p<0.05). In conclusion, some of the selected markers of inflammation are differentially expressed in healthy and periodontitis patients. Cytokine profile analysis may be further explored to distinguish the periodontitis patients from the ones free of disease and also to be used as a measure of risk. The present data, however, are limited and larger sample size studies are required to validate the findings of the specific biomarkers.


Avanços no diagnóstico da doença periodontal levam a métodos nos quais o risco e atividade da doença periodontal podem ser identificados e quantificados por biomarcadores. Pacientes com periodontite podem apresentar elevados níveis circulatórios de marcadores inflamatórios específicos que podem ser correlacionados com a severidade da doença. Portanto, o objetivo desse estudo foi avaliar as diferenças nos níveis séricos de biomarcadores inflamatórios em pacientes saudáveis e com doença periodontal. Foram incluídos no estudo 25 pacientes (8 saudáveis e 17 com periodontite crônica). Uma amostra de 15 mL de sangue foi obtida para identificar os marcadores inflamatórios simultaneamente utilizando Array de proteínas através de citometria de fluxo. De 24 citocinas inflamatórias analisadas, apenas 3 (RANTES, MIG e Eotaxina) apresentaram diferenças estatisticamente significantes (p<0,05) entre os dois grupos. Conclui-se que alguns marcadores inflamatórios selecionados apresentam diferença de concentração em pacientes com periodontite e saudáveis. A análise do perfil de citocinas pode ser utilizada tanto para distinguir pacientes periodontais de pacientes saudáveis, como para medir o risco à doença. Contudo, mais estudos com número maior de amostras são necessários para validar os achados sobre os biomarcadores específicos.


Assuntos
Humanos , Periodontite Crônica/sangue , Mediadores da Inflamação/sangue , Biomarcadores/sangue , /sangue , /sangue , /sangue , /sangue , Quimiocina CXCL9/sangue , Quimiocinas CC/sangue , Citocinas/sangue , Proteína Ligante Fas/sangue , /sangue , Hemorragia Gengival/sangue , Fator Estimulador de Colônias de Granulócitos/sangue , Fator Estimulador de Colônias de Granulócitos e Macrófagos/sangue , Interferon gama/sangue , Interleucina-9/sangue , Interleucinas/sangue , Linfotoxina-alfa/sangue , Perda da Inserção Periodontal/sangue , Bolsa Periodontal/sangue , Fator de Crescimento Transformador beta/sangue
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA
...