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单选题 What is the purpose of the rubber dam during the root canal procedure

A. To keep the tooth dry and prevent contamination from saliva

B. To numb the patient's mouth

C. To measure the length of the tooth

D. To remove bacteria and debris

《英语》3(2023级本科)课程封面

学科:《英语》3(2023级本科)

时间:2024-11-08 03:30:22

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