dental enamel hypoplasia rare odontal or periodontal disorder rare genetic odontal or periodontal disorder amelogenesis imperfecta Amelogenesis imperfecta (AI) represents a group of developmental conditions affecting the structure and clinical appearance of the enamel of all or nearly all the teeth in a more or less equal manner, and which may be associated with morphologic or biochemical changes elsewhere in the body. CSP:0828-0533 DOID:2187 GARD:0005791 ICD10:K00.5 ICD9:520.5 MESH:D000567 MONDO:0019507 OMIMPS:104500 Orphanet:88661 SCTID:78494001 https://rarediseases.info.nih.gov/diseases/5791/amelogenesis-imperfecta