A gummy smile can be caused by a genetically short upper lip or overactive lip elevator muscles when smiling. Long Face Syndrome 'Long face syndrome' has been known to cause a gummy smile. Difficulties with breathing through the nose during development can cause mouth breathing and failure of the tongue to rest on the palate of the mouth. Gummy smile is a quite frequently found esthetic alteration characterized by excessive display of gingiva during smiling. Several causes have been implicated in the literature, but a dearth of clinical decision-making process has been found in the surgical treatment of excessive gingival display. An external bevel gingivectomy with osseous The Causes of a Gummy Smile. Lip Differences: A gummy smile can develop if your upper lip is shorter than the lower lip. A gummy smile can also be a result of a condition known as hypermobile. In this condition, your lips tend to move abnormally whenever you smile. This leads to exposure to your gumline. Crown lengthening is generally for overly gummy smiles. In some instances, excessively gummy smiles can make your smile look uneven, and crown lengthening can help. The crown is the visible part of the tooth above the gumline. Crown lengthening exposes more tooth structure. The procedure can help reveal more teeth and make your gum line even to If lip hypermobility is the cause of your gingival smile, lip repositioning surgery is an option. This procedure occurs under a local anaesthetic by a periodontist or oral surgeon. By removing a small section of connective tissue from the underside of the upper lip, the elevator muscles are prevented from lifting the upper lip too high. 3) Increasing the length of small teeth. Sometimes the cause of a gummy smile can be because the size and shape of your teeth are actually too small. If this is the case, the teeth could be made to look longer by increasing the size and shape, causing a better proportion when smiling and reducing the appearance of a gummy smile. .

what causes a gummy smile