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. 2021 Dec;54(12):2195-2218.
doi: 10.1111/iej.13617. Epub 2021 Sep 17.

Does MTA provide a more favourable histological response than other materials in the repair of furcal perforations? A systematic review

Lucas Siqueira Pinheiro  1 , Patricia Maria Poli Kopper  1 , Ramiro Martins Quintana  1 , Roberta Kochenborger Scarparo  1 , Fabiana Soares Grecca  1
Affiliations

Does MTA provide a more favourable histological response than other materials in the repair of furcal perforations? A systematic review

Lucas Siqueira Pinheiro et al. Int Endod J. 2021 Dec.

Abstract

Background: There is no consensus on which furcal perforation repair material induces a more favourable histological response. This systematic review of laboratory studies provides an overview of the studies comparing repair materials in animal models.

Objectives: To evaluate whether mineral trioxide aggregate (MTA) yields a more favourable histological response than other materials when used to repair furcal perforations in animal experimental models.

Methods: This review followed the PRISMA checklist. The studies included various materials used to repair furcal perforations and compared the histological responses with MTA. An electronic search was conducted in EMBASE, PubMed, Scopus and Web of Science up to 2 September 2020, with no language or publication date restrictions. Studies whose full text was unavailable were excluded. The ARRIVE and SYRCLE tools were used to assess the methodological quality and risk of bias (RoB) of the studies.

Results: The studies included in the qualitative synthesis were conducted in rat (n = 3) and dog (n = 17) models. They were classified as having a low quality, high methodological heterogeneity and high RoB. MTA and Biodentine, the materials most often compared, reduced the inflammatory reaction to mild over time. In addition, a mineralized tissue was formed in all studies. The response yielded by MTA was better than or equivalent to that of the other tested materials.

Discussion: This review confirmed that MTA is the reference standard material for furcal perforation repair. However, research using animal models has inherent limitations, and the substantial methodological heterogeneity across the studies included should be considered. Therefore, the knowledge generated by this systematic review should be translated into clinical practice cautiously.

Conclusions: Features described in the report and quality assessment guidelines, such as PRIASE, ARRIVE and SYRCLE, should guide researchers. Despite the high RoB and the low methodological quality of the studies included, findings indicated that MTA yields a more favourable histological response than other materials in the repair of furcal perforations.

Registration: PROSPERO (CRD42020181297).

Keywords: endodontics; furcal perforation; histological response; in vivo studies; systematic review.

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References

REFERENCES

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