Dental During a cephalometric examination SNA is decreased. Which of the following is the most probable reason? A Maxilla is retrognathic to anterior cranial base B Mandible is prognathic to anterior cranial base C Maxilla is prognathic to anterior cranial base D Mandible is retrognathic to anterior cranial base 💡 Explanation During a cephalometric examination SNA is decreased. Which of the following is the most probable reason? ✓ Correct Answer: A. Maxilla is retrognathic to anterior cranial base