Morphology of the greater palatine grooves of the hard palate: a cone beam computed tomography study

Monsour, P. and Huang, T. (2016) Morphology of the greater palatine grooves of the hard palate: a cone beam computed tomography study. Australian Dental Journal, 61 3: 329-332. doi:10.1111/adj.12375

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Author Monsour, P.
Huang, T.
Title Morphology of the greater palatine grooves of the hard palate: a cone beam computed tomography study
Journal name Australian Dental Journal   Check publisher's open access policy
ISSN 1834-7819
0045-0421
Publication date 2016-09-01
Year available 2016
Sub-type Article (original research)
DOI 10.1111/adj.12375
Open Access Status File (Author Post-print)
Volume 61
Issue 3
Start page 329
End page 332
Total pages 4
Place of publication Chichester, West Sussex United Kingdom
Publisher Wiley-Blackwell Publishing
Language eng
Abstract There is increasing frequency of dentoalveolar and palatal implants placed in the posterior maxilla for prosthodontic and orthodontic purposes. The purpose of this study is to provide information on the location and morphology of the greater palatine grooves (GPG) in the hard palate and to promote awareness of this structure.

Eighty-nine cone beam computed tomography (CBCT) scans were analysed for the presence of a groove, crest or bridging.

This study on the morphology of the GPG in the maxillary first and second molar regions showed three distinct appearances: (1) no palatal groove; (2) one palatal groove; (3) two palatal grooves. The detection frequency of no palatal groove in the first molar region was 60%, 34% had one groove and 6% having two grooves. The detection frequency of no palatal groove in the second molar region was 72%, 26% had one groove and 2% had two grooves. The number of crests in the first and second molar regions ranged from 0 to 3.

The present study demonstrates a great variation in morphology of the GPG of the hard palate. Knowledge of the GPG will decrease possible complications of implant surgery, particularly palatal implant surgery and to not confuse the GPG with pathology.
Formatted abstract
Background

There is increasing frequency of dentoalveolar and palatal implants placed in the posterior maxilla for prosthodontic and orthodontic purposes. The purpose of this study is to provide information on the location and morphology of the greater palatine grooves (GPG) in the hard palate and to promote awareness of this structure.

Methods

Eighty-nine cone beam computed tomography (CBCT) scans were analysed for the presence of a groove, crest or bridging.

Results

This study on the morphology of the GPG in the maxillary first and second molar regions showed three distinct appearances: (1) no palatal groove; (2) one palatal groove; (3) two palatal grooves. The detection frequency of no palatal groove in the first molar region was 60%, 34% had one groove and 6% having two grooves. The detection frequency of no palatal groove in the second molar region was 72%, 26% had one groove and 2% had two grooves. The number of crests in the first and second molar regions ranged from 0 to 3.

Conclusions

The present study demonstrates a great variation in morphology of the GPG of the hard palate. Knowledge of the GPG will decrease possible complications of implant surgery, particularly palatal implant surgery and to not confuse the GPG with pathology.
Keyword Anatomy
Cone beam computed tomography
Implants
Maxilla
Palatine grooves
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
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