Combined micro-apical surgery and vital pulp therapy in mandibular second molars with external root resorption caused by impacted teeth

doi:10.7518/hxkq.2023.2022427

West China Journal of Stomatology ›› 2023, Vol. 41 ›› Issue (2): 225-231.doi: 10.7518/hxkq.2023.2022427

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Combined micro-apical surgery and vital pulp therapy in mandibular second molars with external root resorption caused by impacted teeth

Song Dongzhe¹(), Luo Yu¹, Liu Xian², Hu Pei³, Huang Dingming¹()

^1.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
^2.State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
^3.State Key Laboratory of Oral Diseases & National Cli-nical Research Center for Oral Diseases & Dept. of General Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China

Received:2022-10-26 Revised:2022-12-28 Online:2023-04-01 Published:2023-04-14
Contact: Huang Dingming E-mail:dongzhesong@scu.edu.cn;dingminghuang@163.com
Supported by:
Key Research and Development Program of Sichuan Province(2021YFS0031);Research and Develop Program, West China Hospital of Stomatology, Sichuan University(LCYJ2019-6);Correspondence: Huang Dingming, E-mail: dingminghuang@163.com

Abstract

Abstract:

Objective This study aimed to establish a new treatment of the mandibular second molars with external root resorption caused by impacted teeth to preserve the affected teeth and their vital pulps. Methods For mandibular second molars clinically diagnosed as external root resorption caused by impacted teeth, debridement and removal of the root at the resorption site via micro-apical surgery and direct capping of the pulp with bioactive material on the surface of the root amputation via vital pulp therapy were performed immediately after the impacted teeth were extracted. Results The external root resorption of the affected tooth was ceased. It was asymptomatic with intact crown, normal pulp, periapical alveolar bone reconstruction, normal periodontal ligament, continuous bone sclerosis, and no periapical translucency in radiographic examination at the 1-year postoperative follow-up, thus showing good prognosis. Conclusion Simultaneous combination of micro-apical surgery and vital pulp therapy after extraction of impacted teeth could successfully preserve mandibular second molars with ERR caused by impacted teeth and their vital pulps.

Key words: micro-apical surgery, vital pulp therapy, external root resorption, impacted teeth, mandibular second molars

CLC Number:

R 781.05

Song Dongzhe, Luo Yu, Liu Xian, Hu Pei, Huang Dingming. Combined micro-apical surgery and vital pulp therapy in mandibular second molars with external root resorption caused by impacted teeth[J]. West China Journal of Stomatology, 2023, 41(2): 225-231.

Figures/Tables 5

References 22

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Combined micro-apical surgery and vital pulp therapy in mandibular second molars with external root resorption caused by impacted teeth

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