HESI General Chairside Assisting Practice Exam

What describes the proper sequence for performing a class III restoration?

1. Examine tooth, anesthetize, select shade, control moisture, restore tooth

2. Control moisture, examine tooth, anesthetize, select shade, repair tooth

3. Examine tooth, select shade, control moisture, anesthetize, restore tooth

4. Examine tooth, anesthetize, select shade, control moisture, repair tooth and restore tooth

The correct answer is: Examine tooth, anesthetize, select shade, control moisture, repair tooth and restore tooth

The sequence of steps involved in performing a class III restoration is critical for ensuring an effective and efficient procedure. The correct sequence illustrated here begins with examining the tooth, which is essential for assessing the extent of the decay or damage before any treatment begins. This examination allows the dentist to make informed decisions about the necessary treatment and to communicate this to the patient. Next, anesthetizing the area ensures that the patient is comfortable and pain-free during the procedure. This step is crucial since class III restorations often involve working in areas that can cause discomfort if the patient is not adequately numbed. Following anesthesia, selecting the appropriate shade for the restoration is important for aesthetic reasons, particularly in anterior teeth where appearance matters greatly. This choice should be made before any moisture control methods are employed, ensuring that the shade matched is not affected by the drying or wet conditions created later. Controlling moisture is necessary, especially in dental procedures involving direct restorations, to prevent saliva or blood from contaminating the area being treated. Maintaining a dry field is vital for the bonding and effectiveness of the restorative materials. Finally, the tooth is restored. In this step, the dental material is placed, shaped, and polished to complete the restoration, returning the tooth to its functional and anatomical