Osteogenesis imperfecta with normal dentition and sclera:
High-Yield Explanation
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.