RESUMEN
The task of treating pulpally involved teeth in children is encountered almost daily. Primary molars with infected pulp canals and radicular involvement are a problem in a management. The aim of the current study was to evaluate the efficacy of Nigella sativa oil compared to formocresol in non-vital primary molar pulpotomies. Twenty children aged 4-7 years old with bilateral or opposing non-vital primary molars were selected for this study. Non-vital pulpotomy was performed for both molars one using nigella sativa oil as a medicament and the other using formocresol. Microbial samples were taken from the canals before placement of the medicament and one week after dressing using sterile paper points. All subjects were followed up clinically and radiographically for 6 months. The results showed that both medicaments reduced the microbial flora of the infected root canals significantly. The clinical success of the formocresol group was 84.2% compared to 78.9% in the Nigella sativa group. The radiographic follow-up revealed that nigella sativa oil and formocresol used as pulp medicaments in non-vital pulpotomies have comparable success rates. Conclusion: Nigella sativa oil can be used as an indigenous plant medicament in non-vital primary molar pulpotomies
RESUMEN
The claims that packable composites solve many of the clinical problems associated with the use of current resin-based composites in posterior restorations are attractive. The aim of the present study was to evaluate clinical performance in term of marginal integrity, bulk fracture and recurrent caries [in vivo] as well as microleakage and fracture strength [in vitro] of Tctric Germ HB [Ivoclar, Vivadent] in comparison with amalgam [Orallay. Colttene] in restoring pulpolomizccl primary molars. The study included 20 teeth restored with amalgam and 20 teeth restored with Tetric Ceram HB [TCHB], they were evaluated for clinical performance over a period of 12 months. Also in vitro test for fracture strength was carried on a sample of 20 cases for either amalgam or TCHB. Micro-leakage test was performed on 20 sound extracted primary molar [10 teeth resorted with amalgam and 10 teeth restored with TCHB]. The results revealed that the clinical performance of TCHB was satisfactory compared with amalgam. The material showed higher fracture strength and lower microleakage than the amalgam restorations. Conclusion; TCHB could be an alternative restorative material for pulpotornized primary molars
RESUMEN
The chief goal of this study was first to assess the effect of CO[2] laser and /or acidulated phosphate fluoride treatment on caries initiation and progression in human dental enamel. Second was to compare the acquired acid resistance induced in primary molars and premolars following C02 laser and /or fluoride treatment. The evaluation was carried out by microdensitometric direct digital analysis and scanning electron microscopic examination [SEM]. The study included 84 freshly extracted sound human teeth, 28 primary molars and 56 premolars of [28 patients]. Primary molars were sectioned into fourths and premolars into halves to represent 28 cases. Each case contains 4 specimens; one specimen was immersed in 1ml solution of acidulated phosphate fluoride [APF] for either 5min. or 10 min., the second specimen was subjected to CO[2] laser irradiation, which was applied with a drop of water at either 2 or 3 watts for 4 seconds period. The third specimen was treated with laser beam [2 or 3 watts) followed by fluoride treatment [5 or 10 min.]. The last specimen was the control. Finally all specimens were immersed in acidified gel. The gel was renewed after one week. Specimens were removed after wo weeks, rinsed well under running water and dried. Measurements of change in enamel density before and after treatments in all prepared specimens which radiographed using digora unit were recorded. The results revealed that treatment of teeth with either fluoride or laser could increase their resistance to the acid attack. Combined treatment with laser and fluoride was better than either alone. SEM examination confirmed the previous results
Conclusion: The use of laser or fluoride could increase resistance of the tooth to acid attack. Direct digital radiography has proved to be a valid method in density measurements
RESUMEN
The purpose of the present study was to compare the efficiency of carbon dioxide Laser to conventional scalpel surgery in management of oral soft tissue lesions in children. The study included ten patients with an age ranged between seven to thirteen years old presented with oral soft tissue lesions. The patients were selected from the out patient clinic. Pediatric Dentistry department. Faculty of Dentistry. Minia University. The patients were divided into two groups: laser group and scalpel group where soil tissue excisions were performed using either Co2 laser or scalpel surgery. The results revealed that Co2 laser was superior than scalpel excision in management of oral soft tissue lesions in children. Laser can deliver precise cutting of soft tissue with minimal bleeding giving a clear operating field with ideal visibility. There was no need for sutures or packs. The surgery itself was simple and less time consuming coupled with rapid healing and minimal postoperative complications. It was highly accepted by children and would instill a positive dental attitude, which is the main concern of pedodontist. It can be concluded that laser excision was superior to scalpel excision. It was well tolerated by patients with no intraoperative or postaperative adverse effects
RESUMEN
The present study was conducted to assess the prevalence of nursing caries [NC] in Egypt and throw light on its possible risk factors. The study included 1960 children attended 23 nursery schools in 4 governorates in Egypt [Cairo. Giza, Minia and Sharkia]. Their age ranged from 2-5 years. The affected children [Study group] and an equal number of caries free children [Control group] were asked to complete a risk assessment questionnaire [risk factors] and were also subjected to bacteriological evaluation to determine mutans streptococci [MS] and lactobacilli [LB] count in saliva by means of selective culture media [CRT bacteria]. The results revealed that the over all prevalence of NC in Egypt was 2.65% with no statistical difference between different governorates. Males were more frequently affected than females, most of the affected children belongs to middle socioeconomic level. Several risk factors were associated with NC including improper nursing habits, unsatisfactory oral hygiene practice, late dental visits in addition to some medical problems as serious illness and low birth weight infants. Also the percentage of high risk patients [high levels of MS and LB] was significantly higher among study than control group
Conclusion: The prevalence of NC in Egypt is considerably low compared to other countries. Several unique risk factors are associated with development of this caries pattern