PENGARUH PENGUNYAHAN BUAH PIR ( PYRUS COMMUNIS L) TERHADAP PENURUNAN PLAK PADA PEMAKAIAN ALAT ORTHODONTIK LEPASAN (Kajian di klinik RSGM UMY Yogyakarta )

The irregular tooth arrangement or malocclusion is one of factors that result a plaque accumulation and hard to remove the plaque on the teeth. An irregular teeth arrangement may lead to risk of periodontal tissue disease and caries. Orthodontic treatments are needed to overcome malocclusion, without this treatment there are several problem may occur. A good food for human body is a food that contains of fryer for example fruits and vegetables. Pear is a fruits that contains of katekin, and flavonoid as an antibacterial agent and rich offiber.
Method of this study is experimental study, 30 patients with removable orthodontic treatment in RSGMP UMY as a subject of study. Subjects were instructed to brush their teeth at an hour before the scoring of plaque index. After an hour assessing plaque score have done using O'Leary scoring method, Teeth were oiled with disclosing solution to see the plaque accumulation. Subjects have to chew a pear and the previous procedures to assessing plaque were repeated.
Normality test were done using Shapiro Wilk and shown the result of p value ›.0.05 it is indicate normal distribution of data Result of study present the mean of plaque score before chewing a pear is 41,00567% and after chewing a pear 17,84326%, 11 is shown that there is a reduction of plaque score before and after chewing a pear for 23,1624%. Statistic test shown the p<0.05 which means the reduction of plaque score before and after chewing a pear is reduced and the number of reduction is statistically significant.
Keyword : Removable orthodontic, index plaque,pear
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