disease of anatomical entity
   |__gastrointestinal system disease
       |__mouth disease  37 rec.
           |__burning mouth syndrome
           |__herpangina
           |__lip disease
           |   |__cheilitis(+)
           |   |__cleft lip
           |   |__lip cancer(+)
           |   |__lip carcinoma in situ
           |   |__stomatitis(+)
           |__oral candidiasis
           |__oral cavity cancer
           |   |__cheek mucosa cancer
           |   |__gum cancer(+)
           |   |__hard palate cancer
           |   |__lip cancer(+)
           |   |__oral rhabdomyosarcoma
           |   |__oral squamous cell carcinoma
           |   |__retromolar area cancer
           |   |__salivary gland cancer(+)
           |   |__soft palate cancer(+)
           |   |__tongue cancer(+)
           |   |__vestibule of mouth cancer
           |__oral cavity carcinoma in situ
           |   |__lip carcinoma in situ
           |__oral hairy leukoplakia
           |__oral leukoedema
           |__oral mucosa leukoplakia
           |__oral submucous fibrosis
           |__oral tuberculosis
           |__periodontal disease 9 rec.
           |   |__gingival disease(+) 2 rec.
           |   |__periodontitis(+) 7 rec.
           |__salivary gland disease
           |   |__benign lymphoepithelial lesion of salivary gland
           |   |__mucocele of salivary gland
           |   |__mumps
           |   |__necrotizing sialometaplasia
           |   |__parotid disease(+)
           |   |__salivary gland cancer(+)
           |   |__sialadenitis
           |   |__sialolithiasis
           |   |__submandibular gland disease(+)
           |__tongue disease
           |   |__ankyloglossia
           |   |__fissured tongue
           |   |__glossitis(+)
           |   |__hairy tongue
           |   |__hypertrophy of tongue papillae
           |   |__tongue cancer(+)
           |__tooth disease 35 rec.
           |   |__anodontia
           |   |__dental abscess
           |   |__dental fluorosis
           |   |__dental pulp disease(+)
           |   |__dentinogenesis imperfecta
           |   |__Papillon-Lefevre disease 7 rec.
           |   |__periodontosis
           |   |__primary failure of tooth eruption 1 rec.
           |   |__solitary median maxillary central incisor 1 rec.
           |   |__teeth hard tissue disease(+) 21 rec.
           |   |__tooth agenesis 5 rec.
           |__Trichomonas tenax trichomoniasis