Which of the following is NOT part of Phase II periodontal care?

Supportive periodontal therapy is typically considered a part of long-term maintenance rather than Phase II periodontal care. Phase II focuses on the treatment of periodontal diseases following initial therapy, and it involves specific procedures aimed at eliminating the factors contributing to the disease and setting the groundwork for maintenance.

Subgingival instrumentation, host modulating agents, and periodontal re-evaluation are integral components of Phase II care. Subgingival instrumentation involves scaling and root planing to remove plaque and calculus from below the gum line. Host modulating agents may be employed to support the body's own defenses against periodontal disease. Periodontal re-evaluation is essential following initial therapy to assess the healing and effectiveness of the treatment before proceeding to long-term supportive care.

In contrast, supportive periodontal therapy is conducted after the active treatment phases, focusing on preventing disease recurrence and maintaining periodontal health over the long term. The distinction is vital for understanding the progression of periodontal treatment and the roles each phase plays in patient care.