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What Causes a Gummy Smile?


Posted on 3/22/2021 by Gwinnett Dental Implant & Periodontal Center
What Causes a Gummy Smile?You may have a gummy smile if your gum tissue shows up above your top teeth when you smile. It is normal for gums to show slightly when you smile. However, if more than 2 millimeters of your gum tissue is exposed, then you probably have a gummy smile, or excessive gingival display.

According to experts, 10 percent of 20-30-year-old adults think their smiles are gummy. If you are bothered by a gummy appearance, the good news is that it is treatable.

You may have inherited a gummy smile from your parents, or it may be caused by certain oral habits. Here are some of its common causes:

Genetics and Anatomy


Genetics may be the culprit for most patients. If you have inherited a large jaw, small teeth, or a short upper lip, your smile may appear gummy.

When your top jaw does not align well with your bottom jaw, you may have a bad bite. This is a hereditary condition that can cause many issues ranging from crooked teeth to a gummy smile. Another condition known as hereditary gingival fibromatosis is also a possibility, but it is rather rare.

Excess Gum Tissue


Having too much gum tissue is also a common cause of a gummy smile. When permanent teeth sprout, sometimes, there is an overgrowth of gum tissue that covers the front teeth further than required. At times, however, swelling due to a gum infection may also make it seem like you have excess gum tissue.

Poor Dental Hygiene


When plaque forms on your teeth, it can seep under your gums and cause them to become inflamed or enlarged. Swollen gums can cover more of your teeth to make your smile appear gummy. People with braces may also get gummy smiles if they neglect dental hygiene. It is particularly difficult to brush or floss while wearing braces, which may cause bacteria buildup near the gums.

Side effects of certain medications may also lead to enlarged gums. A gummy smile needs dental care to be rectified. If you wish to get yours treated, schedule an appointment with us at Gwinnett Dental Implant & Periodontal Center by calling us at (470) 222-8983 today.

Gwinnett Dental Implant & Periodontal Center


Dr. Melody J. Schiffer &
Dr. Gary Greenwald
Dr. Andrew Kurialacherry



(470) 222-8983

320 Killian Hill Road NW
Lilburn, GA 30047-3809


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Gwinnett Dental Implant & Periodontal Center, 320 Killian Hill Road NW, Lilburn, GA 30047; (470) 222-8983; gwinnettdentalimplantcenter.com; 12/1/2021; Related Terms: dental implants Lilburn; dental implants Lilburn;