1Professor & H.O.D Prosthodontics, Karnavati School Of Dentistry
2Reader, Department of Prosthodontics, Karnavati School Of Dentistry
3Professor, Department of Prosthodontics, Karnavati School Of Dentistry
4Post Graduate Student, Department of Prosthodontics, Karnavati School Of Dentistry, Ahmedabad
*Corresponding Author: Dr Saloni Naik E-MAIL: saloninaik.13@gmail.com
Online published on 21 September, 2015.
The study was undertaken to determine the most reliable ala-tragus line as a guide for the orientation of the occlusal plane in edentulous subjects.
Photographic analysis was made for 50 adult dentate patients using fox plane to determine the orientation of the occlusal plane. Three points were marked on tragus as T1, T2, T3, ala of nose as A, the fox plane was compared with these three lines to check the closest parallelism. The obtained results were subjected to ANOVA F test, Tukey's Honestly significant difference test, followed by Karl Pearson coefficient of correlation test. P values of less than 0.05 were taken as statistically significant.
Occlusal plane was found more parallel to AT3(camper's III) plane that is to the inferior point of the tragus with the mean value of angle of 2.96° deviation from parallelism to occlusal plane.
The line joining alaof the nose to the lower border of the tragus can be used as a reliable posterior reference point of Camper's plane to orient the occlusal plane in edentulous subjects.
