In a prior post we talked about dental x-rays and just how low they are in radiation. Knowing the low dose may help put into perspective as the importance of having dental x-rays and how they help the dentist provide you with the best dental health care.   With X-rays the dentist is about to detect hidden tooth decay, the presence of a cyst or tumor, determining the presence of permanent teeth, detect oral cancer problems, root involvement with the sinuses and to help determine whether or not to remove primary teeth