AN ATTEMPT TO LOCATE THE TRANSVERSE AXIS OF TEMPOROMANDIBULAR JOINT BY ADAPTING A NEW METHOD
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2017, Vol 6, Issue 37
Abstract
The present study is aimed to ascertain the position of transverse axis of temporomandibular joint in living subjects by devising a new method, which remains hypothetical till date with a hope that it can help the biomechanical engineers and Orthodontic surgeons to go for manufacturing suitable prosthesis for patients with fractured jaw. MATERIALS AND METHODS The present study was conducted at MMIMSR, Mullana-Ambala, Haryana on 1200 subjects (600 males and 600 females) belonging to three states (Haryana, Himachal Pradesh and Odisha) of India. The superimposition method adapted in which two triangles have been constructed (i.e. triangle of closed mouth and triangle of opened mouth) by selecting three bony landmarks (Na- Nasion, CyCondylion and Go- Gonion) and taking three measurements (Na-Cy, Na-Go and Cy-Go). RESULTS The study revealed that in average the transverse axis is positioned 11 mm above Midramus Point (MRP) in 94.08% of total population, at MRP in 0.92% and below MRP in 5% cases. Similarity in the findings was seen between Haryanvi and Himachali population as well as between Himachali and Odisha males. It is above MRP in 95.58%, at MRP in 0.67% and below MRP in 3.75% of all males; above MRP in 92.58%, at MRP in 1.17% and below MRP in 6.25% of females of three states. CONCLUSION Bilateral symmetry is maintained in the position of transverse axis with minimum difference in females of three states compared to males. Bilateral symmetry is well maintained in Himachali females.
Authors and Affiliations
Sidharth Sankar Maharana, Gopichand V. V Patnaik, Purna Chandra Maharana
Keywords
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- EP ID EP210970
- DOI 10.14260/Jemds/2017/650
- Views 86
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