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Anatomical study of the pyramidal process of the palatine bone in relation to implant placement in the posterior maxilla

Cited 15 time in Web of Science Cited 16 time in Scopus
Authors
Lee, SP; Paik, KS; Kim, MK
Issue Date
2001-02
Publisher
Wiley-Blackwell
Citation
J Oral Rehabil. 28, 125-132
Keywords
anatomical studydental implantposterior maxillapyramidal process
Abstract
The placement of dental implants in the molar region of the maxilla is often difficult because of insufficient bone volume and the inferior bone quality. In order to avoid these limitations, the pillar of bone, which is composed of the maxillary tuberosity, the pyramidal process of the palatine bone and the pterygoid process of the sphenoid bone, was introduced for implant placement. In fact, the pyramidal process is the posterior structure where implants are placed but until now, there is no available data of the size or shape of the pyramidal process. Therefore, we measured the height, anteroposterior distance and mediolateral distance of the pyramidal process and observed the shape of lateral and posterior surfaces of the pyramidal process of 54 Korean edentulous dry skulls in this study. The height was 13·1 mm (male: 13·6 mm, female: 12·4 mm). The anteroposterior distance was 6·5 mm (male: 6·7 mm, female: 6·1 mm). The mediolateral distance was 9·5 mm (male: 9·9 mm, female: 9·0 mm). The most common type was the right-angled triangle in the lateral surface (44·4%) and in the posterior surface (66·7%). There was no statistical significance between the male and the female in all items (P > 0·05). These results provide anatomical features in relation to placement of dental implants in the molar region of the maxilla and would be useful in treatment planning of partially or completely edentulous patients.
ISSN
0305-182X
Language
English
URI
http://hdl.handle.net/10371/68594
DOI
https://doi.org/10.1046/j.1365-2842.2001.00741.x
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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