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What Creates a Gummy Smile? Causes and Treatment Options

A person with red hair is wearing headphones and a scarf while holding a coffee cup, standing outside near a brick wall.

A beautiful smile is all about balance—between the teeth, gums, and lips. If too much gum tissue is visible when you smile, it can create what is commonly known as a gummy smile. While this condition is not harmful, it can make some individuals feel self-conscious about their appearance. Fortunately, modern cosmetic dentistry offers solutions to correct a gummy smile and enhance facial harmony.

At Mitzi Morris, DMD, PC in Roswell, we provide advanced treatments to reshape the gum line and achieve a more proportionate smile. Understanding the causes of a gummy smile can help determine the best approach for correction.

Common Causes of a Gummy Smile

Several factors can contribute to excessive gum display when smiling. These include:

  • Excess Gum Tissue (Gingival Overgrowth) Some people naturally have more gum tissue covering their teeth, making their teeth appear smaller than they actually are. This condition can be genetic or a result of certain medications or gum irritation.
  • Short Teeth (Altered Passive Eruption) Teeth that appear short or stubby are often the result of the gums covering more of the tooth structure than normal. In some cases, the teeth may be proportionate, but they haven’t fully erupted past the gum line.
  • Hyperactive Upper Lip (High Lip Mobility) If the upper lip moves too high when smiling (also called lip hypermobility), it can expose more of the gum tissue than desired. This condition is caused by overactive lip muscles that contract excessively when smiling.
  • Jaw Alignment Issues (Vertical Maxillary Excess) A gummy smile can also be linked to jaw development. If the upper jaw is too long or protrudes downward, it can cause excessive gum exposure when smiling. This skeletal condition is known as vertical maxillary excess (VME) and often requires orthodontic or surgical correction.
  • Worn Down Teeth (Attrition) When teeth become worn down due to grinding (bruxism) or acid erosion, the proportion of gum tissue to tooth structure can increase, making the gums look more prominent.

How Common Is a Gummy Smile?

A gummy smile is more common than you might think. Research suggests that approximately 10% of young adults between the ages of 20 and 30 have excessive gum display when they smile. It is more prevalent in women than in men, with some studies indicating that 14% of women show excessive gums compared to 7% of men.

How Dr. Mitzi Morris Can Fix a Gummy Smile

At Mitzi Morris, DMD, PC, we offer several cosmetic and restorative treatments to correct a gummy smile based on its cause:

  • Gum Contouring (Gingivectomy or Crown Lengthening) If excess gum tissue is the issue, a gum contouring procedure can carefully reshape the gum line to expose more of the teeth. This procedure is minimally invasive and performed with precision to create a more balanced smile.
  • Lip Repositioning Treatment For patients with hyperactive upper lip muscles, a simple lip repositioning procedure can reduce excessive lip movement when smiling. In some cases, Botox injections can be used to temporarily relax the upper lip muscles.
  • Orthodontic Treatment If the gummy smile is caused by jaw misalignmentorthodontics or clear aligners may help reposition the teeth and jaw to create a more balanced smile.
  • Porcelain Veneers or Dental Crowns If short or worn-down teeth are contributing to a gummy smile, veneers or crowns can be used to lengthen the visible portion of the teeth and improve proportions.

Achieve a Balanced Smile with Dr. Mitzi Morris

If a gummy smile is affecting your confidence, Dr. Mitzi Morris can provide personalized solutions to help you achieve the ideal tooth-to-gum ratio. Using the latest in cosmetic and restorative dentistry, our Roswell dental team offers advanced treatments to ensure natural, beautiful results.

Schedule a consultation today to learn more about your treatment options for a balanced, confident smile!

Posted on behalf of Mitzi D. Morris

1297 Hembree Rd Suite 202
Roswell, GA 30076

Phone: 678-459-2990

Monday: 8:00 am - 5:00 pm
Tuesday: 7:00 am - 5:00 pm
Wednesday: 7:00 am - 5:00 pm
Thursday: 8:00 am - 5:00 pm
Friday: 8:00 am - 3:00 pm

Our Patient Reviews

Mitzi D. Morris, DMD, PC

4.8/ 5.0

Based on 44 reviews

  • Dr. Morris is an excellent dentist. Her ability to relate to her patients makes her a stand-out amongst those in her profession. She practices dentistry with superior technique and care. Her staff is friendly, helpful, and accommodating. I feel she hires only the best! One special mention: I suffer from panic attacks at times- along with claustrophobia. Dr. Morris is the first dentist I have ever had who helped calm my fears. Thus, my experience exceeded expectations! Great service!

    Cathy Q
  • Definitely would recommend Dr. Morris to anyone. She has been my dentist for over 8 years! Dr. Morris is extremely personable and is serious about the completing the best care possible. Great established dental team! Very accommodating to your schedule.

    Kelly T
  • Great and very educational experience. Compared to my last two dentists this experience blows them both out of the water. The staff is very friendly, and very helpful. I had to go in for a total of four visits a few weeks apart from each other. They made me feel very comfortable the entire time and kept making sure I was pleased. Getting a deep cleaning went very smoothly. It was also brought to my attention that the way I was flossing was incorrect. And have since changed methods. I worked specifically with Dr. Morris. She was very nice, and took the time to explain things. Which is a huge plus for me. Dr. Morris and the staff members worked effortlessly together. I was comfortable enough to sit back and relax, strangely enough, while having cavities drilled and fillings put in. Billing and scheduling appointments, as well as follow up for confirmation of upcoming appointments was very easy. I will say my favorite part of the experience was how friendly of an environment the staff has created. That alone is deserving of a 5 star review, and the rest is honestly icing on the cake. I highly recommend this practice on all fronts and will continue using them!

    Eric F
  • I transferred from a long-term and very good relationship with my former dentist because of a move, and I was a little apprehensive about a new dentist. Dr. Morris has been great. She is friendly, patient-concerned and the office is new, comfortable and clean. Everyone seems to enjoy working there. I feel like I'm in good hands!

    Christopher P
  • Dr. Morris and her staff are very professional. Additionally, she as well as her staff have an excellent "bedside manner." The office is new and well equipped. If one has an appointment and an earlier one opens up, Dr. Morris offers it to her patients as she did with my last appointment.

    David G
  • I have never met a staff so nice and charming. This staff will make you feel comfortable and relaxed in Dr. Morris's Spa like office and everyone is professional and approachable too. Andrea R. explained the process of my appointment and procedures and is definitely a highly-educated and thorough dental hygenist -- SHE IS A ROCKSTAR. I'm so glad that Dr. Morris and her dental team have been my "go-to" for the last 5 years, and I wont be going anywhere else! Overall - A++ Dr. Morris...highly recommended to my family and friends!!!

    Adam O
  • I've been a patient of Dr. Mitzi Morris for many years, and recommend her without reservation. The office is modern. clean and spacious. The staff has always been welcoming and very helpful. And the women who work for her as dental technicians are fantastic; they do a professional and effective deep cleaning, but with a careful, gentle touch. It is clear to me that Dr. Morris reads her professional journals and upgrades her practice to stay very current with the latest best practices in dentistry. (I have had some dentists who stopped updating their practices after leaving dental school!) With Dr. Morris you can count on receiving the very latest dental technology. Her prices are very fair, and I have never been surprised by an unexpected cost or had problems with insurance not covering services rendered.

    Bruce C
  • I have never experienced an office so down to earth, so outgoing and so willing to satisfy. If you've grown to dread the dentist then lay down your sword and give this office a shot.

    Marc Mamane

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Contact Us

Phone

678-459-2990

Office Hours

Monday: 8:00 am - 5:00 pm
Tuesday: 7:00 am - 5:00 pm
Wednesday: 7:00 am - 5:00 pm
Thursday: 8:00 am - 5:00 pm
Friday: 8:00 am - 3:00 pm

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Address

1297 Hembree Rd Suite 202
Roswell, GA 30076

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