This clinical trial focused on collating the instrumentation time and quality of root canal obturation in primary molars treated with three instrumentation techniques: adaptive, rotary, and manual. A triple-armed, randomized controlled clinical trial was performed on 75 primary molars requiring pulpectomy treatment, divided into three groups (n = 25 per group). The teeth in Group 1 were instrumented with an adaptive technique (XP-endo Shaper, FKG Dentaire, La Chaux-de-Fonds, Switzerland), Group 2 with pediatric rotary files (Kedo-S; D1 and E1), and Group 3 with a manual technique (hand K-files). The apical size of the final instrumentation was maintained at #30 for all groups. Instrumentation time and the grade of the root canal obturation were evaluated. Instrumentation duration was recorded, employing a digital stopwatch from the insertion of the first file until the completion of final irrigation. Obturation quality was assessed using radiographs. The criteria taken as a reference for obturation were: optimal (1 mm short of the apex), underfilled (2 mm short of the apex), or overfilled (beyond the apex). The use of an adaptive technique was associated with the lowest instrumentation time (p < 0.0001) when used for instrumenting primary molars and with the highest root canal filling quality of the three groups. The application of the new concept of adaptive instrumentation for pulpectomy of primary molars was a favorable technique, considering the significant reduction in instrumentation time and better obturation.
Background. Dental caries is one of the most prevalent chronic disease of people worldwide, and also Indonesia. Based on Indonesian Basic Research from Health Department, prevalence of dental caries in Indonesia was 90.5%. When dental caries rates are reported by gender, female are found to exhibit higher prevalence rates than male. Dental caries is disease of lifetime because it can spread out more throughout life and will continue until the teeth are destroyed without a proper treatment. Purpose. The aim of this study is to analyze the prevalence of posterior teeth caries by the depth of cavity, age, and gender at RSGM FKG UNAIR. Method. Analytic observational study with cross-sectional and stratified random sampling method. Result. Out of 420 patients with teeth caries, 169 male patients (40.2 %) and 251 female patients (59.8 %). The highest prevalence is deep caries (59.76%) and the lowest prevalence is superficial caries (15.95%). Conclusion. It was concluded that there is correlation between the depth of cavity increase by age and female has higher caries prevalence than male but no significance differences between cavity depth and gender.
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