Resinbonded

Resinbonded refers to a type of dental prosthesis or restoration that uses a resin-based adhesive to bond a partial structure to the adjacent teeth, typically preserving more tooth enamel than conventional restorations. The best-known example is the resin-bonded fixed dental prosthesis (RBFDP), commonly called a Maryland bridge, which replaces a missing anterior tooth by attaching thin wings of metal or ceramic to the backs of the neighboring teeth and supporting a pontic.

Indications for resinbonded prostheses include situations where minimal tooth reduction is desirable, esthetics are important, and preserving natural tooth structure is prioritized. They are often chosen for adolescents or patients seeking a reversible, less invasive option or as a temporary solution while planning a longer-term restoration. Suitable cases feature sound enamel on the abutment teeth to maximize bonding strength; poor enamel or unfavorable occlusion can compromise success.

Materials and technique involve preparing the abutment teeth with minimal reduction, then etching the enamel, applying a bonding agent, and cementing the prosthesis with a resin-based luting cement. The prosthetic framework can be a metal wing with a ceramic or composite pontic, or a full-ceramic wing design, depending on esthetic and functional requirements. Proper bonding to enamel tends to yield better retention than bonding to dentin.

Advantages of resinbonded prostheses include conservation of tooth structure, ease of placement, reversibility, and good esthetics. Limitations include a higher risk of debonding or fracture under heavy occlusal loads, limited suitability for posterior teeth, and variable longevity depending on technique and adhesive systems. Maintenance involves regular dental checkups and good oral hygiene to monitor the bond and tissue health.