Deep margin elevation—Present status and future directions

Author:

Eggmann Florin12ORCID,Ayub Jose M.1,Conejo Julián1ORCID,Blatz Markus B.1ORCID

Affiliation:

1. Department of Preventive and Restorative Sciences Penn Dental Medicine, University of Pennsylvania Philadelphia Pennsylvania USA

2. Department of Periodontology Endodontology, and Cariology, University Center for Dental Medicine Basel UZB, University of Basel Basel Switzerland

Abstract

AbstractObjectiveDeep margin elevation (DME) is a treatment approach to relocate the cervical margin of teeth with subgingival defects to a supragingival position with a direct restoration to facilitate rubber dam isolation, impression taking, and bonding of indirect restorations. This article provides an overview of the current scientific evidence on DME and future directions for research.OverviewThe review included 38 studies on DME, most conducted in vitro. These studies indicate that DME has no detrimental effect on the fracture resistance of restored teeth. Evidence on the impact of DME on marginal quality is conflicting, but most in vitro studies observed no negative effect. Clinical studies, most comprising small patient cohorts, demonstrated favorable restorative outcomes and suggest that DME restorations made with scrupulous care are compatible with periodontal health. Bleeding on probing may occur more frequently at sites with DME, though evidence on this is not unequivocal.ConclusionsCurrent evidence, based largely on laboratory studies and limited clinical data, supports DME as a viable approach to restore teeth with localized subgingival defects. However, further clinical studies with long‐term follow‐ups are required to provide corroborative evidence.Clinical SignificanceCurrent evidence suggests that DME is a viable approach to restore teeth with localized subgingival defects as a possible alternative to surgical crown lengthening. Proper working field isolation, meticulous care in the bonding and buildup procedure, and biofilm removal through patient‐performed oral hygiene and professional maintenance care are crucial. As scant clinical trial‐based evidence is available today, further research is needed to evaluate the long‐term performance of DME restorations and their impact on periodontal health.

Funder

Freiwillige Akademische Gesellschaft

Publisher

Wiley

Subject

General Dentistry

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