connector
The portion of a fixed partial denture that joins the retainer to the pontic, either rigidly or non-rigidly.
Full Definition
In fixed prosthodontics, a connector is the structural element that unites the retainer crown(s) to the pontic(s) within a bridge framework. Connectors may be rigid (cast or soldered as one continuous unit) or non-rigid (using a key-and-keyway or dovetail design to allow slight movement). The cross-sectional area of a connector is critical to the strength of the restoration and must meet minimum size thresholds—typically 4 mm² for posterior bridges in metal-ceramic work. Editors should not conflate 'connector' with 'contact area,' which describes the relationship between two adjacent separate crowns.
Usage
Usage note: Distinguish 'rigid connector' from 'non-rigid connector' in case notes; the two have fundamentally different indications and fabrication methods.
In Context
- "The laboratory report specified a minimum 4 mm² rigid connector between the molar retainer and the distal pontic." — Laboratory Work Order
- "A non-rigid connector was designed to accommodate the mesial tilt of the second molar abutment." — Case Design Note