dentinogenesis imperfecta
noun
dentinogenesis im·per·fec·ta
| \ -ˌim-pər-ˈfek-tə
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Medical Definition of dentinogenesis imperfecta
: a disorder of tooth development inherited as an autosomal dominant trait and characterized by relatively soft enamel in both the primary and permanent teeth that makes the teeth abnormally vulnerable to fracture, abrasion, and wear