Aim The purpose of the study is to formulate a standard protocol for cleaning and disinfecting removable appliances by evaluating the antimicrobial efficacy of three natural extracts. Materials and methods Fifty patients with removable orthodontic appliances were selected and divided into five groups [chlorhexidine 0.2% (positive control), extracts of neem , katha , cinnamon, and normal saline (negative control)] with 10 samples each. Saliva sample from the appliance was collected using a sterile cotton swab and cultured. Agar diffusion method was used and zones of inhibition were measured. Statistical analysis The obtained data were subjected to statistical analysis by the Kruskal–Wallis ANOVA test and the Mann–Whitney U test. Results The neem extract had the highest zone of inhibition measuring 14.95 mm (mean) followed by katha extract with the value of 13.85 mm which was found to be comparable to chlorhexidine with 15.85 mm. Conclusion Thus, neem and katha extracts can be used to disinfect removable appliances because of their good antimicrobial activity. Clinical significance By following these simple cleaning protocols, it is possible to avoid numerous health hazards caused by unclean removable appliances in children. How to cite this article Janani J, Nagar P, Kaniappan AS, et al. Comparison of Antimicrobial Efficacy of Natural Extracts as a Disinfectant for Removable Orthodontic Appliances: An Ex Vivo Study. Int J Clin Pediatr Dent 2020;13(6):640–643.
Aim This study aims to compare the caries removal efficacy of three minimally invasive techniques and to analyze qualitatively under stereomicroscopy and quantitatively using Vickers hardness test. Materials and methods Thirty non-carious anterior primary teeth were selected and subjected to demineralization and the same was confirmed using RadioVisioGraphy (RVG). Samples were divided into three groups: Bromelain gel, smart bur, and atraumatic restorative technique (ART). Caries removal was carried out for a time period of 2 minutes. The remaining demineralized dentin was measured using stereomicroscopy. Random dentin blocks were prepared and a microhardness test was conducted. Statistical analysis Data were subjected to statistical analysis by one-way analysis of variance (ANOVA) test. Results Stereomicroscopic analysis revealed bromelain gel and smart burs to be superior to ART. Bromelain gel was found to have comparable microhardness levels as healthy dentin. Statistically significant ( p < 0.001) results were obtained. Conclusion In terms of caries removal and microhardness, bromelain gel was highly efficient when compared to other groups. Clinical significance Fear and anxiety of children and parents about conventional drills led to the emerging trends of minimally invasive restorative dentistry. This research indicated the use of bromelain gel and smart bur in the process of caries removal and that bromelain was more efficient when compared to other groups. How to cite this article Abinaya R, Nagar P, Urs Pallavi, et al. Comparing the Efficacy of Three Minimally Invasive Techniques on Demineralized Dentin in Primary Teeth and Evaluating Its Residual Dentin and Microhardness Levels: An In Vitro Study. Int J Clin Pediatr Dent 2020;13(6):585–589.
A bstract Aim and objective To compare arch forms between Mongoloid race and Dravidian race in 11–14-year-old children. Materials and methods Total 10 subjects from each study group were selected. Impression of both maxillary and mandibular arches were taken of all the subjects. Dental casts were poured. Intercanine measurement can be termed as the distance across two canine cusp tips, and intermolar measurement can be termed as the distance across two mesiobuccal cusp tips. This distance was recorded for maxillary and mandibular casts by making use of digital Vernier caliper. Data were tabulated. Statistical analysis To note the statistical impact, a Chi-square test was applied. Results The difference across the two groups was found to be statistically significantly noteworthy (independent t test p < 0.001). Conclusion Group I (Mongoloid race) showed significantly larger intercanine to intermolar width compared to Dravidian race with wide flaring arches. Clinical significance The size and forms of dental arches exhibit considerable variability within and among human groups. This research demonstrated that while considering Mongoloid patients, we must make use of prior formed orthodontic wires for ovoid shaped arches in a trivial fraction of patients. How to cite this article Smitha S, Nagar P, Abinaya R, et al. Comparing the Arch Forms between Mongoloid Race and Dravidian Race in 11–14-year-old Children. Int J Clin Pediatr Dent 2020;13(S-1):S26–S28.
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