Introduction: In prosthodontics treatment, the determination of vertical dimension of occlusion (VDO) is considered an essential problem. The vertical dimension of occlusion (VDO) is the most important parameter to be established during the planning of oral rehabilitation; its determination is one of the most important stages of treatment since inadequate restoration can lead to the failure and disaster of prosthetic treatments. Material and method: The study was a cross-sectional study. A total of 250 patients were taken in the study. the vertical dimension of occlusion was measured between the base of nasal septum and the lower border of chin. Then the length of index finger was measured with digital Vernier caliper. Results: Vertical dimension of occlusion is significantly and positively correlated with all the parameters studied. In males, correlation of vertical dimension of occlusion for the parameter‑length of index finger was (r= 0.74). In females; correlation of vertical dimension of occlusion for the parameter ‑ length of index finger (r= 0.82). Conclusion: Index finger measurement is almost equal to vertical dimension of occlusion, and hence can be used for determination of VDO in males and females.
Key words: Vertical dimension of occlusion, index finger
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