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What type of device would be best for procedures mainly conducted outside of the mouth?

  1. Contra angle attachment

  2. Straight attachment

  3. Finishing aid

  4. Gingival margin trimmer

The correct answer is: Straight attachment

The straight attachment is particularly suited for procedures conducted outside of the mouth due to its design and functionality. This type of device typically features a long, straight handpiece that allows for better access and visibility to areas that are not confined within the oral cavity. It can be effectively used for various dental procedures such as extractions, certain restorative tasks, and adjustments that require direct line-of-sight and a firm grip. In contrast, the other options are designed for more specific purposes within the oral cavity. The contra angle attachment is mainly used for procedures that require a bit more maneuverability and is better suited for accessing areas inside the mouth. Finishing aids are used for polishing and refining surfaces after procedures, primarily involving hard-to-reach areas in the dental arch. The gingival margin trimmer is specifically crafted for working on the gingival margins and preparing cavity walls, making it ideal for intraoral use but not suitable for procedures conducted externally. Thus, the straight attachment stands out as the optimal choice for tasks carried out outside the mouth.