Now Offering BOTOX Cosmetic!

Welcome to Diamondhead Dental Clinic!

Thank you for visiting the website of Diamondhead Dental Clinic, the office of Dr. Duncan Matheson, III and Dr. Duncan Matheson, IV. Conveniently located in Diamondhead, Mississippi, our goal is to help you achieve and maintain a healthy, beautiful smile for life!

Our comprehensive dental services include preventative services, general dentistry services, crown and bridge restorations, cosmetic dentistry, same-day crowns, root canal therapy, dental implant restoration, dentures and denture repair, night guards, extractions, teeth whitening, and a range of restorative procedures. We also offer the latest in dental technology including digital X-rays and same day CAD-CAM crowns. When you come to us, you can feel completely at ease while achieving the optimal oral health that everyone desires in order to look and feel their best!

We appreciate your interest in our services and the trust you have placed in us. Please contact us if you have any questions about Diamondhead Dental Clinic.

Meet Our Doctors

Learn Who We Are

  • Dr.
    Duncan F. Matheson, IV, D.D.S.

    Dr. Duncan Matheson, IV grew up on the Mississippi Gulf Coast and would not live anywhere else! He moved to Diamondhead in February 1979 and went to St. Stanislaus for his high school education. Dr. Matheson received his Bachelor of Science degree in Biology from the University of Southern Mississippi and his Doctorate of Dental Surgery degree from the University of Toronto.

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  • Dr.
    Duncan F. Matheson, III, D.D.S.

    Dr. Matheson has resided in Diamondhead since 1979. In 2003, Dr. Matheson welcomed his son, Duncan, as a partner in the Diamondhead Dental Clinic. The Mathesons' younger son, David, is married and also lives in Diamondhead.

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  • "The best dental experience I’ve had. They all made me feel comfortable and fully explained everything they would be doing during the process 100% recommend."
    Ashley B.
  • "I’ve been to dentists my entire childhood, and have had all but 1 of my baby teeth extracted. That being said diamondhead dental clinic is the MOST professional and polite dental professional I’ve ever seen."
    - Brandon D.
  • "Not only do we recommend this practice to others, we have friends who have used them in an emergency who also recommend them. Super friendly staff. They're not the closest location to us, but they have always done right by us and I have no desire to try to find anyone else."
    -Dana E.

Featured Articles

Read about helpful topics

  • Invisalign for Adults

    When you hear the word “orthodontics,” what comes to mind? Probably a young teenager whose teeth are covered by a latticework of metal. There are indeed many orthodontic patients who fit that description. However, there now exists an increasingly popular alternative to traditional metal braces: Invisalign® ...

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  • Educational Videos

    Take a few minutes to watch our educational videos and learn more about different dental treatments and procedures. Video topics include general & cosmetic dentistry, Implants, oral health and hygiene, orthodontics and preventative dentistry. ...

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  • Smile Makeover

    Smiling with confidence makes you feel great. A beautiful smile is also an important social and professional asset. Yet there are many people who avoid showing their teeth in public or in photographs because they don't like what they see. If that describes you, then why not start the process of getting ...

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  • Periodontal (Gum) Disease

    While you may think that some loss of teeth is inevitable with aging, it is actually possible for all of your teeth to last a lifetime. One of the ways you can achieve this goal is to avoid periodontal disease (“peri” – around; “odont” – tooth), which is caused by bacteria that attack the ...

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  • Mouthrinses

    Numerous studies have shown that using an appropriate mouth rinse, in conjunction with regular brushing and flossing, is an easy and effective way for you to improve your overall oral health. As part of a regular program of oral hygiene, mouth rinses (which are sometimes called mouthwashes) can be effective ...

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  • Oral Hygiene for Kids

    Teeth can last a lifetime if you take care of them right — and the best time to start is just as soon as they begin appearing. By establishing good oral hygiene routines for your children right from the start, you'll give them the best chance of keeping their teeth healthy — forever. Tooth decay, ...

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  • Invisalign for Teens

    There's a new technology that's (literally) putting a smile on plenty of young faces: A system of clear, removable aligners made especially for teens called Invisalign Teen®! If you (or a teenager you know) are a candidate for this treatment, you might find it's the best fit for your lifestyle: It lets ...

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  • Fillings

    If you have never had a cavity, congratulations! If you have had one, you are not alone. About 78% of us have had at least one cavity by the time we reach age 17, according to a 2000 report by the U.S. Surgeon General. Fortunately there's a time-tested treatment for cavities: the dental filling. Fillings ...

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  • Orthodontic FAQs

    What do orthodontists do? Orthodontists are dental specialists who diagnose and treat problems with the position, alignment or spacing of the teeth, and related irregularities in the face and the jaw. A number of special treatments, including braces and other oral appliances, are used to correct these ...

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  • Sinus Surgery

    If you want to replace a missing or failing tooth with a state-of-the-art dental implant (watch dental implant video), your dentist will first need to make sure that you have sufficient bone in your jaw to anchor the implant. This is true no matter what type of tooth is being replaced. However, if it ...

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Contact Us

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Our Location

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Hours of Operation

Our Regular Schedule

Primary Location


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


7:00 am-2:00 pm


9:00 am-12:00 pm