Dental Working length determination in elderly patients may be more difficult because of which of the following? A Increased bone density, making radiographs harder to interpret B Increased cementum deposition, modifying the apical anatomy C Differences in tissue electrical resistance, making apex locators less accurate D Patients are unable to sit still for radiographs 💡 Explanation Working length determination in elderly patients may be more difficult because of which of the following? ✓ Correct Answer: B. Increased cementum deposition, modifying the apical anatomy