Clinical report and literature review of mandibular first premolar with three roots and three root canals

Author: LIU Qinjie ^{1
,

2} ; LUO Ming ³ ; LIANG Yanping ⁴ ; LAI Hanbiao ⁴
Author Information

1. Department of Stomatology, Heyuan People&rsquo
2. s Hospital
3. Affiliated Stomatological Hospital of Guangzhou Medical University, Guangzhou Institute of Oral Diseases, Orthodontic Department of Dongfeng West Clinic,
4. Department of Stomatology, Zhuhai Shangchong Hospital
Publication Type:Journal Article
Keywords: Mandibular first premolar; Three root canals; Root canal therapy; Wedge-shaped defect; Dental restoration
From: Journal of Prevention and Treatment for Stomatological Diseases 2017;25(10):656-660
CountryChina
Language:Chinese
Abstract: The mandibular first premolar has complicated morphology of root canal, it has more variation which increases the incidence of multiple root canals. A successful root canal therapy not only need strict cleaning, disinfection and filling, but also need a correct understanding of root canal morphology and anatomy. Otherwise there might be a risk of missing canals that resulting the failure of the therapy. Also crown closure is one of the successful elements of root canal therapy. This is a case report accompanied by a review of the literature that shows the unusual anatomy of the mandibular first molar with three roots and three root canals.
Full text:下颌第一前磨牙3牙根3根管临床报告及文献回顾.pdf