ArticleJournal of maxillofacial and oral surgery2022
Evaluation of Third Molar Impaction Distribution and Patterns in a Sample of Lebanese Population.
Article in Journal of maxillofacial and oral surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- The Impact of Extraction Orthodontic Treatment on the Impaction of Mandibular Third Molars: An Imaging-Based Retrospective Cohort Study.Current medical imaging · 2025Article
- Application of Convolutional Neural Networks in an Automatic Judgment System for Tooth Impaction Based on Dental Panoramic Radiography.Diagnostics (Basel, Switzerland) · 2025Article
- Variability in Positions and Factors Contributing to Surgical Difficulty of Impacted Third Molars.European journal of dentistry · 2025Article
- Association between mandibular third molar impactions and distal carious lesions on the adjacent second molars: A cross-sectional study.The Journal of international medical research · 2025Article
- Prevalence and Pattern of Impacted Mandibular Third Molar: An Institution-Based Retrospective Study.Journal of maxillofacial and oral surgery · 2024Article
- Article
- The influence of arch shape on the incidence of third molar impaction: A cross-sectional study.The Saudi dental journal · 2024Article
- Exploring the Root Canal Morphology of Third Molars in the Bosnia and Herzegovina Population.Acta stomatologica Croatica · 2024Article
- Concordance Analysis of Lower Third Molar Surgery Classifications: A Comparative Study.Dentistry journal · 2024Article
- Article
- The Clinical and Radiological Evaluation of Impacted Third Molar Position, Crown and Root Morphology.Acta medica academica · 2023Article
- Article
- A Comparison Between Comma Incision and Ward's Incision in Third Molar Extraction in Terms of Postoperative Sequel.Cureus · 2023Article
- The Association Between Skeletal Facial Types and Third Molars Impaction in a Saudi Arabian Subpopulation: A CBCT Study.Clinical, cosmetic and investigational dentistry · 2023Article
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Authors and funding
6 authors.
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Abstract
Background: Classifications of impaction based on panoramic radiographs such as the ones of Pell and Gregory and Winter are essential to allow a better understanding of third molar position regarding depth and bone coverage of the impacted tooth and to evaluate the difficulties of the surgical procedures. The aim of the study was to classify upper and lower third molars teeth in a sample of a Lebanese population and compare the data to results from other studies. Materials and Methods: Digital panoramic radiographs of 71 patients with a total of 181 wisdom teeth from patients that had been subjected for third molars extraction, from November 2016 to November 2018, were collected and analyzed. The mean age was 26.25 years. All third molars were categorized according to Pell and Gregory by using A, B, C scores for depth in upper and lower third molars, and angulations were classified according to Winter's classification. Nonparametric normality tests evaluating age group and gender distribution were conducted by utilizing the Chi-square test for age distribution and the binomial and Kruskal-Wallis tests for gender. Results: In the Pell and Gregory classification, the lower third molars showed type B impaction as the most frequent with 66.1% for the right side and 60.3% for the left side; the maxillary third molars both showed the type C impaction as the most frequent with 63.3% for the right side and 59.2% for the left side. According to the Winter classification, lower third molars showed mesio-angulation as the most frequent angle of impaction with 41.1% for right mandibular side and 46.5% for mandibular left side; As for the maxillary third molars, the disto-angulation was the most frequent angulation seen in both maxillary right and left side teeth 53.3% and 43.2%. Conclusions: Comparison of our results with other populations has shown similarities in certain criteria like angulation and relation to ramus, but most results varied. Thus, the current study can be taken as a baseline for further studies.
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