California Registered Dental Assistant (RDA) Written Practice Exam

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What can be used to prevent cement from getting into the buccal tubes or attachments when cementing bands?

Dental floss
Lip balm and Utility wax
Water
Silicone spray

The correct answer is: Lip balm and Utility wax

When cementing bands, it is important to prevent the cement from getting into the buccal tubes or attachments as this can cause irritation and discomfort for the patient. Dental floss may not be effective in preventing cement from seeping in as it is thin and can easily break. Water is not a suitable option as it can cause the cement to set faster and make it difficult to adjust the band during placement. Silicone spray is also not recommended as it can create a slippery surface and make it difficult to control the band. The best option is to use a combination of lip balm and utility wax. The lip balm can provide a barrier between the cement and the buccal tubes, while the utility wax can be molded and placed over the tubes and attachments to seal them off. This will ensure a clean and precise placement of the band without any discomfort for the patient.