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KMID : 1034420220470020015
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Restorative Dentistry & Endodontics
2022 Volume.47 No. 2 p.15 ~ p.15
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Deep proximal margin rebuilding with direct esthetic restorations: a systematic review of marginal adaptation and bond strength
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Ismail Hoda S.
Ali Ashraf I.
Mehesen Rabab El.
Juloski Jelena
Garcia-Godoy Franklin
Mahmoud Salah H.
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Abstract
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This review aimed to characterize the effect of direct restorative material types and adhesive protocols on marginal adaptation and the bond strength of the interface between the material and the proximal dentin/cementum. An electronic search of 3 databases (the National Library of Medicine [MEDLINE/PubMed], Scopus, and ScienceDirect) was conducted. Studies were included if they evaluated marginal adaptation or bond strength tests for proximal restorations under the cementoenamel junction. Only 16 studies met the inclusion criteria and were included in this review. These studies presented a high degree of heterogeneity in terms of the materials used and the methodologies and evaluation criteria of each test; therefore, only a descriptive analysis could be conducted. The included studies were individually evaluated for the risk of bias following predetermined criteria. To summarize the results of the included studies, the type of restorative material affected the test results, whereas the use of different adhesive protocols had an insignificant effect on the results. It could be concluded that various categories of resin-based composites could be a suitable choice for clinicians to elevate proximal dentin/cementum margins, rather than the open sandwich technique with resin-modified glass ionomers. Despite challenges in bonding to proximal dentin/cementum margins, different adhesive protocols provided comparable outcomes.
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KEYWORD
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Subgingival cervical margin, Open sandwich technique, Bonding to gingival dentin, Marginal quality
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