Fragment reattachment after complicated crown-root fractures of anterior teeth A systematic review

July 2, 2021

By Thirumal Kumar

Background/aim: Fragment reattachment is a procedure that can immediately restore form and function in crown-root fracture cases and is considered a minimally invasive and cost-effective treatment option. The aim of this systematic review was to analyze the methods used and the outcome of fragment reattachment for complicated crown-root fractures of anterior teeth.
Materials and methods: Five electronic databases (PubMed, Web of Science, Embase, Scopus, and Google Scholar) were searched for English language articles regarding fragment reattachment after complicated crown-root fractures of anterior teeth.
Results: Twelve case reports and two case series were selected for this review after applying the inclusion and exclusion criteria. In eleven articles, the fracture line was exposed prior to reattachment. Root canal treatment was performed in all cases except one, where conservative pulp treatment was done prior to reattachment. A post was used as part of the restoration in 85% of the cases. Additional fragment preparation was done in 42% of the cases in the form of beveling and groove formation. Adhesive strategies used to reattach the coronal fragments were total-etch, self-etch, or self-cure adhesive. Intermediate materials used for reattachment were resin cement, glass-ionomer cement, composite and self-adhesive cement. Treatment outcomes were favorable in all the included articles and the follow-up period ranged from three months to seven years.
Conclusion: Fragment reattachment after complicated crown-root fractures of anterior teeth can be considered as a viable treatment option if the clinical conditions are favorable.

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