<prompt> Osteogenesis imperfecta with normal dentition and sclera:Type 1AType 2Type 3Type 4B  <response>: a. Type 1ARef: Nelsons 20e p 3381Osteogenesis 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. 