Curettage is used in periodontics to scrap off the gingival wall of a periodontal pocket, and is needed to reduce loss of attachment (LOA)

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The habit of nocturnal bottle or breast-feeding has been reported to be a potential cause for early childhood caries (ECC)

Introduction: Enamel demineralization is associated with decrease in saliva pH due to fermentation of sugar by oral commensal. Thus, exploring the changing pattern of saliva pH is meaningful in dental caries prevention. The aim of this study was to compare the changing pattern of saliva pH after consuming different types of sweeteners (sucrose and maltitol). Methods: It was a case-control study involving 14 male patients attending IIUM dental clinic who were selected with the intention of getting seven patients with high caries risk ( DMFT ≥6) and seven patients with low caries risk (DMFT ≤3) with initial saliva pH interval of 6.5 to7.5. Patients were asked to consume snacks containing 8 gram sucrose and 8 gram maltitol as sweeteners. The changing pH values of the saliva were measured by Waterproof pHTestr 10BNC (Oakton, Vernon Hills, USA) seven times consecutively at 0 (before snack consumption), and at 5, 10, 15, 20, 30 and 60 minutes after snack consumption. The pH values of saliva of patients with low and high caries risk after consuming sucrose and maltitol were statistically analized by using Anova and Tukey-HSD tests at α = 0.05. Result: There were significant differences in saliva pH changes between low-risk group and high-risk group after consuming sucrose and maltitol. Conclusion: The changing patterns of saliva pH in high-risk patients were lower than those of low-risk patients after consuming two types of snacks containing sucrose and maltitol.

Coral has been used as a bone substitute in many experimental studies. It

In dental clinic of Hospital University Science Malaysia (HUSM)

Thirty male subjects aged around 20-30 years old, with complete anterior teeth, no inter proximal caries and good general health conditions were selected by using simple random sampling. The anterior teeth were divided into 2 segments right side for 11, 12, 13 and left side for 21, 22, and 23. These two sites were treated by different way for comparing two treatment variables, between scaling therapy alone and scaling therapy with adjunction of Chlorhexidine (CHX) 0.2%. Gingival Index (GI) score was used to determine the gingivitis status of the subjects. Clinical experiment showed that the duration of healing process in subjects treated with scaling with adjunction of CHX 0.2% was faster than scaling therapy alone group. However, in the statistical analysis, there was no significant difference because of several factors. In conclusion, it was found that CHX 0.2% had the efficacy to enhance the healing process in the marginal gingivitis patient that was treated by scaling therapy, but further study using CHX 0.2% with longer duration time should be done to achieve more pronounce effect

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