Periapical Lucencies MCQ | AIPGDEE Preparation MCQ with Explanations

If teeth are in the radiation field and the dose is greater than 5,000 rads, periodontally involved teeth and teeth with periapical lucencies should be extracted at least 

a. 2 weeks before radiation therapy begins 
b. 3 weeks before radiation therapy begins
c. 4 weeks before radiation therapy begins 
d. 5 weeks before radiation therapy begins

The correct answer is A: If teeth are in the field and the dose is greater than 5,000 rads, periodontally involved teeth and teeth with periapical lucencies should be extracted at least 2 weeks before radiation therapy begins. The dentist should prepare the patient for post radiation xerostomia, provide custom fluoride trays, and prescribe 0.4% stannous fluoride gel to be used for 3—5 minutes twice daily. The patient must he placed on a 2—3- month recall schedule.