Site-specific characteristics are not seen in herpetic gingivostomatitis.

The procedure least successful in resolving a periodontally related osseous defect is the reattachment procedure.

A Gracey curette is correctly adapted when the lower shank is parallel with the tooth surface being scaled.

Laboratory tests for ANUG typically involve dark field examination.

The cementum near the cementoenamel junction (CEJ) is indeed very thin, making it more susceptible to removal during instrumentation. Additionally, cementum can be softer than subgingival calculus, and in cases of periodontal disease, it may become necrotic.