title: Importance of lip classification.
authors.forename: Steven T
authors.initials: ST
authors.lastname: Cutbirth
mesh_terms: D003481:Cuspid / Q000033:anatomy & histology; D003793:Dental Restoration, Permanent / Q000379:methods; D004955:Esthetics, Dental; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology; D008046:Lip / Q000033:anatomy & histology*; D008437:Maxilla; D009811:Odontometry / Q000379:methods; D010347:Patient Care Planning; D010641:Phenotype; D012904:Smiling