Poster Presentation

Poster Presentation

PR99 - Root Canal Configuration of Burmese (Myanmar) Maxillary First Molar: a Micro-CT Study

Thursday, April 26
10:00 AM - 1:00 PM
Room: Exhibit Hall

Objective: Recently micro-CT technology has been applied for the morphological study of root canal system. This study aimed to investigate the root canal anatomy of the Burmese maxillary first molar by using the micro-CT analysis. Materials and Methods: One hundred one extracted Burmese maxillary first molars with three distinct roots were scanned by a Skyscan 1272 scanner (Bruker MicroCT, Kontich, Belgium) with 10 µm voxel size, 125 µA, 80 mV, 1 mm aluminum filter, 0.4˚ rotation steps and 180˚ rotation. For each specimen, CTAn software v1.14.4 (Bruker MicroCT) was used to create 3-D models of root and internal canal anatomy while CTvol software v2.2.3 (Bruker MicroCT) was used to visualize these 3-D models in color-coded and transparent models. The incidence of the ramification or lateral canal was analyzed using Kruskal-Wallis test. Results: Mesio-buccal roots showed multiple canals in 82.2% of specimens: Vertucci’s types IV (45.5%), I (17.8%) and II (17.8%). Disto-buccal root showed multiple canals in 13.9% of specimens: types I (86.1%), II (5.9%) and V (4%). Palatal root showed type I in 100% of specimens. Mesio-buccal root showed significantly higher incidence of apical ramification compared to disto-buccal or palatal roots (p<0.05). Each tooth showed 2.4 lateral canals in average, ranging from 0 to 12. The highest incidence of lateral canal was from mesio-buccal canal followed by from disto-buccal, palatal, and the second mesio-buccal canals, and the isthmus (p<0.05). Conclusion: Knowledge of the root canal system from this study is essential in endodontic treatment of Burmese maxillary first molars.

Maung Maung Kyaw Moe

Lecturer
Kyungpook National University

Got BDS and MS at University of Dental Medicine, Mandalay, Myanmar. Got PhD at Kyungpook National University, Daegu, Korea. Currently is Lecturer at the University of Dental Medicine, Mandalay, Myanmar.

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Jung-Hong Ha

Associate Professor
Kyungpook National University

He has graduated from the Kyungpook National University and got his phD degree at the Pusan National University. He is now a full time professor at the Kyungpook National University and lecturing at the same university. His major research scope is endodontic instruments and materials in clinic.

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Myung-Uk Jin

associate professor

He has graduated from the Kyungpook National University and got his phD degree at the same University. He is now a full time professor at the Kyungpook National University and lecturing at the same university. His major research scope is food and restorative dentistry.

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Young-Kyung Kim

Professor
Kyungpook National University

He has graduated from the Kyungpook National University and got his phD degree at the same University. He is now a full time professor at the Kyungpook National University and lecturing at the same university. His major research scope is resin bonding and restorative dentistry.

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Sung Kyo L. Kim

Professor / Kyungpook National University
Kyungpook National University

He has graduated from the Kyungpook National University and got his phD degree at the Seoul National University. He is now a full time professor at the Kyungpook National University and lecturing at the same university. His major research scope is endodontic instruments and techniques in clinic and pulp biology.

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PR99 - Root Canal Configuration of Burmese (Myanmar) Maxillary First Molar: a Micro-CT Study



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