An 11-Year-Old Boy, Ronald, Has an Overjet and Is Being

Multiple Choice

An 11-year-old boy, Ronald, has an overjet and is being treated by an orthodontist. At a routine appointment, Ronald mentions that he feels some pressure in the area of his maxillary anterior incisors and asks if this is unusual. The orthodontist examines Ronald, makes some adjustments to his appliance, and reviews his radiographs. He informs Ronald that he is pleased with the movement of his teeth and that he may feel occasional pressure throughout treatment. In Ronald's case, each of the following radiographic findings is considered normal during orthodontic treatment EXCEPT one. Which one is the EXCEPTION?

A) Bone remodeling
B) Widening of the PDL
C) Bone resorption
D) Root resorption