ArticleJournal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.]2026
The Spot-Dam Technique: A Protocol for Adhesive Cementation of BOPT Crowns.
Article in Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.], 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Qualitative Analysis of the Cementation Line of Metal-Ceramic Crowns Luted With Resin Cement: A Clinical Case Report.Case reports in dentistry · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe Biologically Oriented Preparation Technique (BOPT) uses vertical tooth preparation without a defined finish line, guided by provisional restorations to shape the gingival emergence profile. Subgingival crown margins inherent to BOPT increase the risk of residual cement and soft-tissue trauma during adhesive cementation. This article presents the Spot-Dam Technique (SDT), a continuous or staged isolation protocol designed to enhance visibility, facilitate excess cement removal, and protect peri-gingival tissues in BOPT restorations. CLINICAL CONSIDERATIONS: SDT employs localized rubber dam fragments stabilized with polytetrafluoroethylene (PTFE) tape during water-airborne-particle abrasion (WAPA) of dentin, followed by sulcular isolation during crown seating. Zirconia crowns were conditioned with air-particle abrasion, and self-adhesive resin cement was applied. Excess cement was removed at the gel stage to minimize soft-tissue trauma. The protocol integrates soft-tissue protection, dentin pretreatment, restoration surface conditioning, and controlled cement removal to optimize adhesion and margin integrity in subgingival restorations.
conclusionsThe SDT provides a reproducible workflow for adhesive cementation of BOPT crowns. Isolation with rubber dam and PTFE tape protects peri-gingival tissues, facilitates complete cement removal, and preserves seating accuracy, supporting biological stability and prosthetic predictability in vertically prepared teeth. CLINICAL SIGNIFICANCE: Subgingival crown margins inherent to the BOPT increase the risk of sulcular cement retention and soft-tissue trauma during definitive cementation. The isolation strategy described in the current manuscript combines sulcular displacement and contamination control to improve visibility, facilitate cement removal, and protect peri-gingival tissues during adhesive cementation of indirect restorations to vertically prepared teeth.
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