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Sectional matrix: Step-by-step directions for their clinical use.
V Alonso de la Peña1, R Pernas García1, R Pérez García1
1University of Santiago de Compostela, School of Dentistry, Entrerríos s/n, Santiago de Compostela, Spain.
British Dental Journal
|January 16, 2016
Summary
Achieve strong Class II composite restorations using sectional matrices and pre-wedging. This technique prevents matrix deformation for optimal posterior dental sector results.
Area of Science:
- Dentistry
- Dental Materials Science
Background:
- Class II cavities are common posterior dental restorations.
- Achieving proper contact points in composite resin restorations is challenging.
- Sectional matrix systems are widely used for posterior restorations.
Purpose of the Study:
- To describe the clinical technique for restoring Class II cavities using a sectional matrix system.
- To highlight the importance of pre-wedging in achieving optimal results.
Main Methods:
- Detailed description of the clinical steps for Class II cavity preparation and restoration.
- Emphasis on the use of a sectional matrix system.
- Explanation of the pre-wedging technique and its role.
Main Results:
- Sectional matrices facilitate strong contact points in Class II composite restorations.
- Pre-wedging is crucial for preventing matrix deformation during insertion.
- Proper technique ensures accurate anatomical form and tight contacts.
Conclusions:
- The sectional matrix technique, when combined with pre-wedging, is effective for Class II composite restorations.
- This method is essential for achieving predictable and durable posterior dental restorations.

