Supportive Periodontal Therapy (SPT), often referred to as periodontal maintenance, is an essential, ongoing phase of periodontal treatment designed to prevent the recurrence and progression of periodontal disease. Once active therapy-whether surgical or non-surgical-is completed and periodontal stability is achieved, SPT becomes the cornerstone of long-term oral health. This phase focuses on preserving the results achieved during active therapy and preventing further periodontal breakdown.SPT is not a one-size-fits-all approach; it must be tailored to each patient's unique risk factors,...