Russellville Dentist. Dr Matt Williams owns and operates Smile Dental. Dr Williams has employed and trained over 24 dentists and owned over 17 dental clinics during his career. Many of whom have gone on to open there own dental clinic and treat people with excellence. He enjoys teaching dentists how to treat people as patients should be treated. He wants all patients to be treated with respect and experience the best that dentistry has to offer. Smile Dental is not a chain and it is not a dental “mill” where we just try to run patients in and out of the office. We look at every patient as an individual and try to find the best option for them. We can do every type of dentistry. If you have a dental need, we can help.