Three-dimensional analysis to compare parallelism of occlusal planes to the hamular notch-incisive papilla plane in dentulous and edentulous subjects

Kishan Singh; Namratha Lakshmi; Yoshaskam Agnihotri; Suraj R. Suvarna; Sukant Sahoo; Prince Kumar

doi:10.4103/2278-9626.116009

European Journal of General Dentistry, Inhaltsverzeichnis

CC BY-NC-ND 4.0 · European Journal of General Dentistry 2013; 2(03): 286-291
DOI: 10.4103/2278-9626.116009

Original Article

Three-dimensional analysis to compare parallelism of occlusal planes to the hamular notch-incisive papilla plane in dentulous and edentulous subjects

Authors

Kishan Singh

Department of Prosthodontics, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, Uttar Pradesh, India
Namratha Lakshmi

¹Department of Prosthodontics, Hi Tech Dental College and Hospital, Bhubaneswar, Odisha, India
Yoshaskam Agnihotri

²Department of Conservative Dentistry and Endodontics, Hi Tech Dental College and Hospital, Bhubaneswar, Odisha, India
Suraj R. Suvarna

Department of Prosthodontics, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, Uttar Pradesh, India
Sukant Sahoo

Department of Prosthodontics, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, Uttar Pradesh, India
Prince Kumar

Department of Prosthodontics, Shree Bankey Bihari Dental College and Research Centre, Ghaziabad, Uttar Pradesh, India

Abstract

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Abstract

Purpose and Aim: The aim of this study was to evaluate the reliability of hamular notch-incisive papilla (HIP) plane as an anatomical landmark in establishing occlusal plane in edentulous subjects. Materials and Methods: Seventy subjects were selected from the South Indian population, of which 50 were dentulous and 20 were edentulous. Dental stone casts were fabricated for dentulous and edentulous subjects. Dental stone casts of the dentulous and edentulous subjects, along with occlusal rims were analyzed using the three-dimensional analyzing machines. The angles between the occlusal planes and HIP plane were determined using the reference coordinate system based on characteristic points in the dentition on the cusp tips in dentulous casts and on maxillary occlusal rim on edentulous casts. Results: The HIP plane tends to be parallel to the occlusal plane. There is no statistical difference between sexes. Conclusion: The HIP plane is parallel to the natural occlusal plane and can be used as a reference plane to re-establish the occlusal plane in edentulous patients.

Keywords

Anatomical landmarks - hamular notch-incisive papilla reference plane - occlusal plane - three-dimensional analyzing machine

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Referenzen

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