"Benign cysts and tumors of the jaw bone are most often odontogenic, meaning that they originate from tissue related to the teeth. The most frequent kind of odontogenic growth develops near impacted teeth and is called a dentigerous cyst or tumor. It occurs when the follicle of an impacted tooth continues to grow, although the tooth is unable to erupt. This growth can cause the formation of a cyst or tumor that can damage surrounding teeth and bone"-New York-Presbyterian hospital web site
With Cancer, anything is possible. Cancer is the most tactical disease I know of. No matter how much precautions you take to avoid it, it can surface where you least expect it.