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The acrylic resin transfer coping technique for making accurate interocclusal records
John Antonelli1, Timothy L Hottel, Sharon C Siegel
1Nova Southeastern University Health Professions Division, College of Dental Medicine, Fort Lauderdale, FL, USA.
The Journal of the Tennessee Dental Association
|July 14, 2011
Summary
Maintaining a patient's bite and vertical dimension after dental work requires accurate cast mounting. This study presents a technique using transfer copings to preserve the tooth-to-tooth relationship for precise articulator mounting.
Area of Science:
- Restorative Dentistry
- Dental Prosthetics
- Occlusion
Background:
- Accurate mounting of dental casts on an articulator is crucial for restorative treatment.
- Maintaining the pretreatment intercuspation and occlusal vertical dimension (OVD) is essential for crowns and fixed partial dentures (FPDs).
- Existing methods may not sufficiently preserve the precise tooth-to-tooth relationship after tooth preparation.
Purpose of the Study:
- To present a simple technique for recording and preserving the pretreatment tooth-to-tooth relationship.
- To ensure accurate mounting of working and opposing casts on an articulator.
- To offer a method for recapturing the lost third leg of the tripod after tooth preparation.
Main Methods:
- Utilizing acrylic transfer copings placed over prepared teeth to record the relationship.
- Employing rigid connectors to stabilize casts and minimize movement during mounting.
- Using gypsum mounting materials for cast stabilization.
Main Results:
- The described technique accurately records and preserves the pretreatment tooth-to-tooth relationship.
- Working and opposing casts can be mounted with improved accuracy on the articulator.
- The method effectively recaptures the lost third leg of the tripod, enhancing stability.
Conclusions:
- The acrylic transfer coping technique provides a reliable method for maintaining occlusal relationships in restorative dentistry.
- This approach minimizes errors associated with cast mounting, leading to more predictable prosthetic outcomes.
- The recommended stabilization methods improve the accuracy and reproducibility of articulator-mounted casts.
