title: [Problems with the lip frenulum in parodontology. I. Classification and epidemiology of tendons of the lip frenulum].
mesh_terms: D000293:Adolescent; D000328:Adult; D005881:Gingiva / Q000503:physiopathology; D006801:Humans; D008046:Lip / Q000503:physiopathology*; D010510:Periodontal Diseases / Q000503:physiopathology*; D010517:Periodontics; D013710:Tendons / Q000503:physiopathology*
vernacular_title: Problematika úponu retního frenula v parodontologii I. I. Klasifikace a epidemiologie úponů retního frenula