Which of the following events occurs first during the development of a periodontal pocket?

A) Alveolar and supporting bone loss
B) Destruction of periodontal ligament fibers
C) Destruction of gingival connective tissue
D) Apical migration of the junctional epithelium

C

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Presbycusis: ________

Fill in the blank with correct ICD-10.

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Any laboratory that wishes to perform ________ testing must have a Certificate of Provider-Performed Microscopy.

A. Level I B. Level II C. Certificate of Waiver D. Level III

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