This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Elbow injuries, Subject name: Orthopaedics
Osteogenesis imperfecta (OI) may present similarly to child maltreatment. However, there are features of OI that may help differentiate the 2, including blue sclera and osteopenia. Which of the following is another distinguishing feature 
Select and explain. 
A. Multiple fractures in the setting of minimal trauma, B. Dental involvement, C. Patent foramen ovale, D. Polydactyly
B: Dental involvement
Answer: B: Dental involvement 
Explanation: Multiple medical conditions can present similarly to nonaccidental trauma, including OI. This autosomal dominant genetic disease often presents with multiple fractures in the setting of minimal trauma. However, distinguishing features include osteopenia, blue sclera, family history, and dental involvement. Polydactyly and a patent foramen ovale are not typical features of OI.