Gingival recession is progressive in the absence of intervention. The rate of progression varies — but the clinical pattern is consistent: tissue lost is not recovered spontaneously, and the factors that caused recession (brushing trauma, thin biotype, attachment loss) continue to act.
Surgery is indicated when recession is progressive, causing sensitivity, creating an aesthetic concern the patient considers significant, or when planned orthodontic treatment or implant placement will place additional demand on already compromised tissue.
The optimal timing for treatment is before recession reaches the mucogingival junction — while keratinised tissue remains at the recession site, the surgical options and expected outcomes are maximally favourable.