What are the key steps in preparing a tooth for composite bonding?

The preparation of a tooth for composite bonding involves critical steps aimed at ensuring a strong bond between the tooth structure and the composite material. The correct steps include cleaning the tooth surface to remove any debris or contaminants, etching the enamel or dentin to create a micro-rough surface that enhances the bonding process, and applying a bonding agent that helps the composite adhere effectively to the tooth structure.

Cleaning is essential as it ensures that the bonding surface is free from saliva, blood, or debris, which could interfere with the bond. Etching typically involves the use of an acid, which facilitates the creation of a surface texture on the enamel or dentin. This texture allows for better mechanical retention of the composite material. The bonding agent is a resinous material that penetrates the micro-etched surface, promoting chemical adhesion when the composite is applied.

The other options either misrepresent these steps or include incorrect procedures for bonding preparation, which is why they are not suitable in this context. Some mentioned processes, while relevant in different contexts of dental procedures, do not directly contribute to the specific task of preparing a tooth for composite bonding.