"Social indications" does get used (in other contexts, see below) but I'm not sure that the treatment of dental plaque and stabilisation of teeth in periodontitis can be considered "social" rather than "medical" indications
http://emedicine.medscape.com/article/447068-overviewSocial indications for surgical intervention include any SUI [stresss urinary incontinence] that interferes with the patient’s quality of life. Pathologic indications for correcting ISD include primary urethral dysfunction, failed previous bladder neck surgery, and severe attenuation of endopelvic fascia.
http://www.ncbi.nlm.nih.gov/pubmed/19165707In the first subgroup of patients with cerebral palsy we had medical and
social indications for the treatment of drooling