基于CBCT的西南地区汉族人双下颌管形态学研究

Abstract

Abstract: Objective To analyze the bifid mandibular canals’ incidence of Chinese Hans residing in southwest, and the morphological features of different types using cone-beam computed tomography (CBCT). Furthermore, to provide the practical reference for relevant clinical operations. Methods 300 Chinese Han patients who attended the Department of Stomatology of Zigong fourth People’s Hospital during 2014 to 2016 were chosen. CBCT was performed to observe the bifid mandibular canal, and its characteristic of morphology were described and analyzed statistically. Results The incidence of southwest Chinese Hans’ bifid mandibular canal was 19.33%. The most frequently encountered type of bifid mandibular canal was retromolar canal (58.75%), followed by apical canal(23.75%) and forward canal (15.00%), the least one was buccal and lingual canal (8%). Conclusion CBCT observation reveals a high prevalence of southwest Chinese Hans’ bifid mandibular canal. Morphological differences exist among different types. The importance of bifid mandibular canal should be emphasized in clinical practice.

Key words: bifid mandibular canal , morphology , CBCT

CLC Number:

R813.3

References

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Morphological study of the Hans’ bifid mandibular canal in Southwest China based on CBCT

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