Abstract
the important concepts in preventive dentistry. The aim of this study is to evaluate those conditions
in these two groups in Zahedan (Iran).
Methods and Materials: This survey was compared the oro-dental conditions in 94 mentally
handicapped and 104 physically handicapped. The mentally handicapped group subdivided into
three groups: educable (10), trainable (45), and isolated (39). The physically handicapped group
consists of three groups: physically impaired (28), hearing impaired (44), and visually impaired
(32). The oro-dental health index consisted of DMFT, crowding, anterior and posterior teeth
attrition, oral health index consisting of debris index (D1-s) and calculus index (C1-s).
Results: Mean DMFT in 7-14 year-olds mentally and physically disabled persons were 3.2 and
3.7 , respectively in 15-25 year-olds were 2.7 and 3.6 and in 26 year-olds and upper was 5.7 and
3.7 respectively which did not show significant correlation by Mann-Whitney test. It was 5, 4.1 and
1.6 in educable, trainable and isolated mentally handicapped which was significantly meaningful
(P<0.05). There was no significant correlation between disability and crowding, anterior and
posterior attrition index. The D1-s and C1-s was significantly higher in mentally disabled groups
than those in other disabled groups.
Conclusions: Specific consideration to oro-dental complications of disabled groups and to set up
an efficient managing system is advisable.
Keywords
Mentally retard person Physically disabled person DMFT O.H.I
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