title: Oral tissue color changes (I).
mesh_terms: D005882:Gingival Diseases / Q000473:pathology; D006801:Humans; D009059:Mouth Diseases / Q000209:etiology / Q000473:pathology; D009061:Mouth Mucosa / Q000473:pathology; D010859:Pigmentation Disorders / Q000209:etiology* / Q000473:pathology; D014060:Tongue Diseases / Q000473:pathology