HESI General Chairside Assisting Practice Exam

Which restorative procedure setup is used for inter-proximal decay on tooth #6?

1. Class II Amalgam

2. Class III Composite

3. Class I Composite

4. Class V Restoration

The correct answer is: Class III Composite

The correct answer pertains to a Class III composite restoration, which is specifically designed to address inter-proximal decay when it occurs on anterior teeth, such as tooth #6, which is typically a maxillary canine. In this restorative procedure, the focus is on areas where decay is present between adjacent teeth, which is characteristic of Class III restorations. Class III restorations utilize composite materials for several reasons, including aesthetic appeal and the ability to bond well to tooth structure. These materials can be shaped and tinted to closely match the natural appearance of the tooth, making them preferable for visible areas in the mouth. Understanding the distinctions among various restoration classifications is crucial for determining the appropriate treatment depending on the location and type of decay. For instance, a Class II restoration would address decay that extends into the posterior teeth (molars and premolars), affecting the occlusal surface and inter-proximal areas, while a Class I composite restoration is reserved for cavities within the pits and fissures of posterior teeth. Class V restorations are focused on decay at the gingival third of anterior or posterior teeth. In summary, a Class III composite restoration is the most appropriate choice for inter-proximal decay in a visible tooth like #6 due to its aesthetic