Osteogenesis imperfecta with normal dentition and sclera:: (A) Type 1A, (B) Type 2, (C) Type 3, (D) Type 4B
Answer is A. a. Type 1A(Ref: Nelson's 20/e p 3381)Osteogenesis imperfecta (OI) is the most common genetic cause of osteoporosis; OI Type I is a mild disease.Both types I & IV are divided into A and B subtypes, depending on the absence (A) or presence (B) of dentinogenesis imperfecta.