Outcome of Crown and Root Resection: A Systematic Review and Meta-analysis of the Literature

By Setzer FC, Shou H, Kulwattanaporn P, Kohli MR, Karabucak B

Date: 01/2020
Journal: JOE

Purpose: To provide the best available evidence on the outcome of CR and RR procedures.

Materials and methods:

•A search was conducted by using three electronic databases ( PubMed, Scopus and Cochrane Library ).

•Two reviewers independently assessed the quality of the included studies. •The time frame was from 1966 to march 2018

Inclusion criteria:

•1- Studies investigating outcome of  CR and RR for ETT

•2- Minimum of 12 months follow up

•3- Data can be extracted from the study or obtained by personal communication with the author.

•4- RCT, prospective or retrospective case study.

Exclusion Criteria:

•1- Studies that no outcome investigations

•2- Review or option article

•3- Follow up period less than 12 months

•4- Data cannot be extracted from the article nor from the author.

•5- Case reports or case series < 10 as s sample size

•19 studies were included in this meta-analysis.

Most highlighted results:

•An overall pooled survival rate of 85.61% for both CR and RR procedures combined.

•Individual data showed mean survival rate of 81.9% for CR and 87.2% for RR.

•There was no statistically significant difference between CR and RR or between maxillary and mandibular molars.

Included studies

Clinical significance: Crown resection and root resection shows high survival rate and can be considered as a treatment of choice.