Dentists and dental surgeons usually recommend gum grafting to cover the area of the tooth that is exposed when gums recede.

2009. (July); 80 (7): 1192-1199. "Guided tissue regeneration-based root coverage with a platelet concentrate graft: A 3-year follow-up case series." Published online July 1, 2009, doi: 10.1902/jop.