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All Journal Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI)
Mustamu, Indhira Valerie
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Dentistry Energy Health Professions Medicine & Pharmacology Physics

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Prevalence of mandibular third molar impaction roots position towards mandibular canal based on rood and shehab classification (studies on panoramic radiographs) Mustamu, Indhira Valerie; Farizka, Intan; Arifin, Sariyani Pancasari Audry; Tjandrawinata, Rosalina; Palupi, Anggraeny Putri Sekar; Tanjung, Rizki
Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI) Vol 9 No 3 (2025): Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI)
Publisher : Ikatan Radiologi Kedokteran Gigi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32793/jrdi.v9i3.1342

Abstract

Objectives: This study aims to determine the prevalence of the position of the impacted mandibular third molar roots in relation to the mandibular canal using a classification by Rood and Shehab. Materials and Methods: This study is a descriptive study with a cross-sectional approach. The samples were 210 left and right third molar impaction tooth mandibular on 105 digital panoramic radiographs at the Radiology Installation, RSGM FKG Usakti, and categorized according to the seven classifications by Rood and Shehab. The interobserver reliability test was conducted using Cohen's Kappa test. The data is presented as frequency and percentages for each type of root position classification. Results: Radiolucent tooth type on the root was the most prevalent at 104 (50%), white line interruption in 28 (13%), narrowing of the mandibular canal in 27 (13%), deflection of the tooth root in 26 (12%), deflection of mandibular canal in 11 (5%), narrowing of the root in 8 (4%), and bifid apex in 6 (3%). Conclusion: The highest prevalence of third molar impaction tooth root position was the radiolucent type at the root, and the lowest was the bifid apex type.
Co-Authors Anggraeny Putri Sekar Palupi Arifin, Sariyani Pancasari Audry Intan Farizka Rizki Tanjung Rosalina Tjandrawinata