22: Denture fracture and repair

22

Denture fracture and repair

Figure 22.1 Modern cold-cure denture repair material. (Courtesy of Lang Dental.)

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Figure 22.2 Arrangement of a fractured denture for repair.

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Figure 22.3 Fractured denture edges prepared with round profiles and a gap of 3 mm between broken edges for optimal repair.

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Figure 22.4 Triad® custom curing unit for urethane dimethacrylate repair material. (Courtesy of Dentsply International.)

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Box 22.1 Criteria for a satisfactory denture repair
Repair process must be rapid.
Repaired structure must have adequate strength.
Denture dimensional accuracy must be maintained.
The repair must be esthetic.

Dentures can fracture from a variety of causes, commonly through dropping onto a hard surface although other causes include failure of inherent defects from poor processing. Other factors predisposing complete dentures (CDs) to failure are a shallow palatal vault combined with severe flexure such as biting down onto a hard object or a deep incisal notch acting as a stress riser.

The commonest maxillary denture fractures occur at the midline from trauma (dropping) or arise from poor fit or occlusion problems. Although a repair can return the denture with a midline fracture to functionality, causative problems such as poor/>

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Jan 1, 2015 | Posted by in Dental Materials | Comments Off on 22: Denture fracture and repair
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