title: Extension of clinical crown length.
mesh_terms: D000541:Alveolectomy; D000543:Alveoloplasty; D003442:Crowns; D003737:Dental Cavity Preparation; D003779:Denture Design; D003829:Denture, Partial; D005890:Gingivectomy; D006801:Humans; D014070:Tooth / Q000033:anatomy & histology*