Marginal ridge alignment and interproximal bone levels: Evaluation of a possible correlation

Fabio Ramina*, Francesca Cremonini, Federica Pellitteri, Michele Cavazza, Luca Lombardo

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)

Abstract

Objectives: The purpose of this study was to evaluate whether there is a relationship between the alignment or misalignment of the marginal ridges of posterior teeth and the degree of resorption of interproximal alveolar bone. Material and Methods: Intraoral scans and bitewing radiographs were performed on 50 subjects. The bitewing radiographs were analyzed using the VixWinTM Platinum software, measuring the distance between the cementitious junction and the alveolar ridge at the interproximal level for 32 sites for each patient, defined as bitewing scores. The digital models have been oriented in the three dimensions using the Rhinoceros 3D and the linear distance between two contiguous marginal ridges was measured for each interproximal space. To estimate the entity of the correlation, a separate linear regression was performed on the bitewing score for each mouth quadrant. Using the t-test the significance of each estimated coefficient was determinate (P < 0.05). Results: In the general comparison including all the analyzed elements, the independent variables are partially correlated with each other. Apparently, the relationship between independent and dependent variables appears to be insignificant. Comparing groups of teeth, however, there seems to be a statistically significant correlation (P < 0.05) between canine and lower first premolar in the XZ and YZ planes and between lower first and second molars in the three dimensions. Conclusion: There seems to be a poor correlation at a general level between periodontal conditions of the alveolar bone and the degree of alignment of the marginal ridges.

Original languageEnglish
Pages (from-to)153-160
Number of pages8
JournalAPOS Trends in Orthodontics
Volume13
Issue number3
DOIs
Publication statusPublished - 1 Jul 2023
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2023 Published by Scientific Scholar on behalf of APOS Trends in Orthodontics.

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