A patient has just been fitted with a fixed orthodontic appliance, there is excess cement that needs to be removed. Which instrument is most likely to be required?

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Study for the City and Guilds Dental Nursing Block 2 Test. Use flashcards and multiple choice questions, each with hints and explanations, to prepare effectively. Get ready for your exam!

Multiple Choice

A patient has just been fitted with a fixed orthodontic appliance, there is excess cement that needs to be removed. Which instrument is most likely to be required?

Explanation:
The key idea is that removing excess cement around a fixed orthodontic appliance requires a cutting instrument designed for trimming cement close to the tooth surface. Mitchell's trimmer has a small, sharp edge that lets you trim and contour the cement flash around each bracket without damaging enamel or loosening the bracket. The other tools aren’t suited for this task: scalers are for removing calculus and can scratch or damage the tooth near the bracket, while a pigtail explorer is mainly a probing/feel tool and cannot effectively trim cement.

The key idea is that removing excess cement around a fixed orthodontic appliance requires a cutting instrument designed for trimming cement close to the tooth surface. Mitchell's trimmer has a small, sharp edge that lets you trim and contour the cement flash around each bracket without damaging enamel or loosening the bracket. The other tools aren’t suited for this task: scalers are for removing calculus and can scratch or damage the tooth near the bracket, while a pigtail explorer is mainly a probing/feel tool and cannot effectively trim cement.

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