Dental Endodontically treated posterior teeth are more susceptible to fracture than untreated posterior teeth. The best explanation for this is: A Moisture loss B Loss of root vitality C Plastic deformation of dentin D Destruction of the coronal architecture 💡 Explanation Endodontically treated posterior teeth are more susceptible to fracture than untreated posterior teeth. The best explanation for this is: ✓ Correct Answer: D. Destruction of the coronal architecture