Effect of manual tooth brushing on periodontal health status between right and left handed dental students (Inter and intra groups comparative Study)

R. Abdulbaqi, Hayder; B. Hashim, Firas

	Effect of manual tooth brushing on periodontal health status between right and left handed dental students (Inter and intra groups comparative Study)
Journal of baghdad college of dentistry
Article 1, Volume 22, Issue 4, 2010, Pages 67-73
Authors
Hayder R. Abdulbaqi; Firas B. Hashim
Abstract
ABSTRACTBackground: Mechanical plaque control is an effective way of treating and preventing gingivitis. The aim of thisstudy was to compare the effect of manual tooth brushing on periodontal health status between right handed andleft handed dental students(inter group comparison)and between right side and left side of dentition of each groupseparately(intra group comparison).Materials and Methods: One hundred dental students were enrolled in the study, the subjects with an age range (22-23) year’s old, fifty students were right handed and the other fifty one were left handed. The study was crosssectional, all subjects were selected regardless the periodontal health status and sex but adjusted according to age,regularly tooth brushers and if they were right handed or left handed tooth brushers. All periodontal parameters:plaque index (PLI), gingival index (GI), bleeding on probing (BOP), probing pocket depth (PPD) and clinicalattachment loss (CAL) were recorded for all teeth except the third molar which was excluded.Results: there was significant difference in plaque index between both groups and high significant differences inplaque index between right and left sides of each group separately. Non significant difference in mean gingivalindex between both groups while there was high significant difference of gingival index between right and left sidesof each group separately. High significant differences of bleeding sites between both groups and between bothsides of each group separately. We use a scale for ease of estimation based on increased pocket depth for probingpocket depth and the same method for clinical attachment loss parameters, it involve the scales (0,1,2,3) for probingpocket depth and scales (1,2,3) for clinical attachment level. The results of probing pocket depth showed that therewas significant difference only in scale 1 and non significant differences in all other scales between both groupswhile in intra group comparison, there was a high significant difference in scales 1, 2 and non significant differencesin scales 0, 3 between both sides of right handed group and high significant difference in scales 1, 2 and nonsignificant differences in scales 0, 3 between both sides of left handed group. The inter and intra group comparisonsshowed that there was non significant differences in all scales of clinical attachment level.Conclusions: Left handed group had better skills to manipulate with tooth brushing and good oral hygiene than righthanded group and each group separately showed better skills to manipulate with tooth brushing and good oralhygiene in the side other than the side of the dominant handKey words: Dental plaque, gingivitis, manual tooth brushing. (J Bagh Coll Dentistry 2010;22(4):67-73).

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