University of Khartoum

Occlusal factors among tempromandibular joint Dysfunction syndrome patients

Occlusal factors among tempromandibular joint Dysfunction syndrome patients

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Title: Occlusal factors among tempromandibular joint Dysfunction syndrome patients
Author: Elshaikh,Sumaia Abdelgadir
Abstract: This comparative study was carried out to study the pattern of occlusal discrepancies in fifty patients with myofacial pain dyfunction syndrome attending Khartoum Teaching Dental Hospital and in another fifty control subjects who were free from any sign or sympton of the diesease. The examination of occulusion was done both clinically using a plain mirror and an articulating paper and on the laboratery using study models mounted on a (Hanau) type articulator with the bite fork and an ear piece face bow. Analysis of both static and functional occlusal factor was done. The data was analyzed using the Statistcal Package for the Social Sciences SPSS and the Chi Square test was applied. The results of the study showed there was a significent relation between the occurance of Myofacial Pain Dysfunction Syndrome and class II div I with P =0.049. Neither class I nor class III malocculsion with P value = 0.114, P value = 0.646 respectively, showed significant relationship with the disease . On function it appeared that occlusial interferences on the non - working side has a significant role in the occurance of TMJD (P value of 0.001). Contorary to the occlusal interferences on the working side which were found to play no role in the disease ( P = 0.52). Both altered occlusal surface by wear or caries as well as loss of molar teeth was found to have a significant relation to TMJD. Also premature contact in centric relation and the slide of centric relation to cenrtic occlusion were found to play role in TMJD, with p-value = 0.016 and p-value =0.041. Recent dental intervention either with restoration or with prosthesis, show insignificant relations with a P–value=0.52 and 0.67 respectively. Studying some of the habits such as clenching and bruxing shows that clenching had a positive impact (P = 0.06), as well as bruxism (P = 0.24). Conclusion: Although the sample of the study was small the results of the study showed there is some relation between the TMJD syndrome and the pattern of occlusion
URI: http://hdl.handle.net/123456789/7734
Date: 2015-03-30


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