<![CDATA[Backgrounds: Using orthodontic fixed can form new plaque retention region, debris, and increase microbe activity due to difficulty of treating oral hygiene, which can cause periodontal tissue damage. Aim: To measure the difference of periodontal index and gingival enlargement score in orthodontic fixed and non-orthodontic appliances user. Methods: This research was using an analytical observational research with cross sectional approach. The sample is 54 students in SHS 3 Semarang that divided into 2 groups, 27 students who used fixed orthodontic and 27 students who didn’t use fixed orthodontic. Measurement was using Periodontal Index from Russell and Gingival Enlargement Score from Silness-Loe. Results: Using Chi square test to analyze the characteristics of samples, it could be concluded that more women tend to participate in this research than men, 25 students (92,6%) in orthodontic fixed user and 21 students (77,8%) in non-orthodontic user. Using Mann-Whitney test, it could be concluded that median of periodontal index and gingival enlargement score in both of groups are 0. Mean of Periodontal Index and Gingival Enlargement Score are higher in orthodontic fixed appliances user, which are 0,07 and 0,22.Conclusions: There’s no significant difference of Periodontal Index and Gingival Enlargement Score in orthodontic fixed and non-orthodontic appliances user because of good oral hygiene maintenance. ]]>
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