 He presented to my office for evaluation on January 18, 2010, and he was found to have an extremely atrophic mandible with a fracture in the left parasymphysis region involving a failed dental implant, which had been placed approximately 15 years ago. 
He presented to my office for evaluation on January 18 , 2010 , and he was found to have an extremely atrophic mandible with a fracture in the left parasymphysis region involving a failed dental implant , which had been placed approximately 15 years ago .