Healthy Smiles Dental Center West Plains Missouri Ricky Cornish DDSDepending on the patient’s oral hygiene along with the frequency and extent of decay a periodic examination may be performed every six months or every year. This will include necessary dental x-rays, examination of the head, neck and jaw joint, an oral cancer examination, evaluation of the gums and soft tissue, and a visual examination of the teeth. Dr. Cornish will look for existing as well as potential problems that need to be addressed.