Evaluation of the relationship between gonial angle and impacted mandibular third molar teeth

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dc.authorid0000-0001-7931-4464
dc.contributor.authorDemirel, Oğuzhan
dc.contributor.authorAkbulut, Aslıhan
dc.date.accessioned2019-12-19T11:54:25Z
dc.date.available2019-12-19T11:54:25Z
dc.date.issued2020
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Ağız, Diş ve Çene Radyolojisi Ana Bilim Dalı
dc.description.abstractMandibular third molar teeth have the highest impaction frequency for several reasons such as lack of space which may be related to the direction of facial growth. Gonial angle is used for the definition of facial growth pattern with some other measures such as mandibular plane angle. Winter and Pell-Gregory classifications are used for defining the level and pattern of mandibular third molar impaction. The aim of this study is to define the relationship between mandibular third molar impaction pattern and gonial angle; also to evaluate relationship between mandibular third molar roots and inferior alveolar canal. Study included 90 patients who had undergone cone beam computed tomography assessment for mandibular third molar impaction. Impacted teeth were grouped according to Pell-Gregory depth (A, B, C) and ramus (1, 2, 3) classification and sub-groups were composed. Winter classification was used for angulation of third molars and their relationship between with inferior alveolar canal was recorded. Gonial angle was measured on panoramic radiographs. Of the evaluated 90 impacted third molars, mesioangular position was the most frequent (34.4%), followed by vertical, horizontal and distoangular positions. Nearly 77% of the impacted third molar roots were related to inferior alveolar canal. While no correlation was determined between gender, age, third molar angulation and gonial angle, C2 sub-group of Pell-Gregory classification showed statistically significant higher gonial angle values. Although no significance was found, gonial angle was higher in level C group. In conclusion, gonial angle is higher in patients with C2 impaction level. Also, although statistically insignificant, Pell-Gregory C group had higher gonial angle averages.
dc.identifier.citationDemirel, O. ve Akbulut, A. (2020). Evaluation of the relationship between gonial angle and impacted mandibular third molar teeth. Anatomical Science International, 95(1), 134-142. https://doi.org/10.1007/s12565-019-00507-0
dc.identifier.doi10.1007/s12565-019-00507-0
dc.identifier.endpage142
dc.identifier.issn1447-6959
dc.identifier.issn1447-073X
dc.identifier.issue1
dc.identifier.scopusqualityQ2
dc.identifier.startpage134
dc.identifier.urihttps://doi.org/10.1007/s12565-019-00507-0
dc.identifier.urihttps://hdl.handle.net/20.500.12511/4552
dc.identifier.volume95
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofAnatomical Science Internationalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectCone Beam Computed Tomography
dc.subjectGonial Angle
dc.subjectPanoramic Radiography
dc.subjectThird Molar
dc.subjectTooth Impaction
dc.titleEvaluation of the relationship between gonial angle and impacted mandibular third molar teeth
dc.typeArticle

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