[Preparation forms and filling techniques for posterior composite restorations].

Area of Science:

• Restorative Dentistry
• Dental Materials Science

Context:

• Operator technique significantly impacts the quality of posterior composite resin restorations.
• Tooth-saving preparations, including tunnel preparations, are used for primary caries treatment but have drawbacks.
• Traditional liners or bases are unnecessary with total-etch adhesives for composite restorations.

Purpose:

• To outline essential clinical procedures for successful posterior composite resin restorations.
• To highlight the importance of operator technique in achieving optimal outcomes.
• To discuss advancements in composite application methods and materials.

Summary:

• High-quality posterior composite restorations require specific operator techniques.
• Tooth-saving preparations are employed, but tunnel preparations present challenges.
• Liners/bases are not needed with total-etch adhesives, improving the marginal seal.
• Composite application via injection in layers, using low-viscosity materials, best prevents voids.

Impact:

• Improved clinical success rates for posterior composite restorations.
• Enhanced understanding of material-specific application protocols.
• Guidance for dental professionals on optimizing restorative procedures.