OI13 is characterized by normal teeth, faint blue sclerae, severe growth deficiency, borderline osteoporosis, severe bone deformity, and recurrent fractures affecting both
Frontal radiograph of the leg in a patient with type I osteogenesis imperfecta (OI) shows evidence of severe osteoporosis, overtubulation of both the tibia and fibula, and
Other features include severe osteoporosis by DEXA. Type VI Manifestations include moderate-to-severe deformities. They may have blue sclera.