The tilted posterior tooth. Part III: Abutment for a fixed partial denture

Area of Science:

• Dentistry
• Prosthodontics
• Dental Materials

Background:

• Tilted posterior abutments present challenges in achieving a common path of insertion for fixed partial dentures.
• Common issues include adjacent tilted teeth, reduced interarch space, and supraversion of opposing teeth.

Purpose of the Study:

• To discuss solutions for achieving a common path of insertion for fixed partial dentures with tilted posterior abutments.
• To explore mechanical solutions when tooth preparation is insufficient.

Main Methods:

• Review of clinical considerations and treatment planning for tilted abutments.
• Discussion of tooth preparation techniques and intentional endodontic therapy.
• Evaluation of mechanical solutions: locked attachments and telescopic retainers.

Main Results:

• Well-planned tooth preparation, sometimes combined with endodontic therapy, can resolve insertion path issues.
• Locked attachments and telescopic retainers are viable mechanical solutions for difficult cases.
• Addressing associated problems like adjacent tilted teeth and space reduction is crucial.

Conclusions:

• Fixed partial denture success with tilted posterior abutments is attainable through strategic planning and treatment.
• A combination of conservative preparation and advanced mechanical aids ensures predictable outcomes.
• Comprehensive management of all related dental issues is essential for long-term restoration success.