Comparison of Antimicrobial Efficacy of Natural Extracts as a Disinfectant for Removable Orthodontic Appliances: An Study.

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 , , cinnamon, and normal saline (negative control)] with 10 samples each.

Comparing the Arch Forms between Mongoloid Race and Dravidian Race in 11-14-year-old Children.

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.