Experience the most comfortable care available with sedation dentistry, a variety of payment options, convenient hours, and more. The River Oak Dental team listens to your dreams and goals for your smile and gives you more treatment options than ever before. Choose dentistry that fits you in every way. Dr. Jim Nichols has a special interest in complex restorative dentistry, and he truly enjoys enhancing smiles through esthetic and cosmetic dentistry. He is known for his special compassion and care for patients who have extreme anxiety about visiting the dentist. Dr. Nichols averages nearly 100 hours per year of continuing education and has completed a series of courses studying under some of the nation's most highly respected dentists.