ArticleEuropean journal of orthodontics2025
Palatal canine impaction is not associated with third molar agenesis.
Article in European journal of orthodontics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Buccal Bone Thickness of Maxillary Incisors Adjacent to Palatally Impacted Canines: A Split-Mouth CBCT Study.Medicina (Kaunas, Lithuania) · 2026Article
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4 authors.
Funding
Abstract
BACKGROUND/
objectivesThird molar agenesis and palatally impacted canines (PICs) are two independent dental phenotypes with different developmental backgrounds. Isolated reports indicate a common genetic origin for both, however, current data is inconsistent. The aim of this study was to investigate the presence of third molar agenesis in individuals with PICs, compared to individuals without PICs. MATERIALS/
methodsThis retrospective case-control study comprised 310 individuals (188 females and 122 males), half of whom presented with unilateral or bilateral PICs. Individuals with other dental anomalies of known genetic origin were excluded. The association between PICs and third molar agenesis was assessed using four regression models, with PIC as the dependent variable and sex, age, and third molar agenesis as predictors. One model treated PIC as a nominal variable (pattern) and the other as ordinal (severity), and both were run testing either third molar agenesis severity or third molar agenesis patterns. All statistical tests were performed assuming a type-1 error of 5%.
resultsThere was no significant association between canine impaction and third molar agenesis in any of the four regression models. Neither the severity nor the patterns of palatally impacted canines were associated with either the severity or the patterns of third molar agenesis (P > .05). LIMITATIONS: Due to the common racial background of all participants, the results of this investigation might not be generalizable to the general population. CONCLUSIONS/IMPLICATIONS: Palatal canine impaction is not associated to third molar agenesis, after accounting for age, sex, and various patterns of PICs and third molar agenesis. These results indicate that these two dental phenotypes do not share a common biological mechanism for their occurrence.
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