According to non-scientific research, close to 90% of people feel that they are ugly when they laugh, why is it that they look good, but they are ugly when they laugh? Most of the reasons are because of the “gummy smile”! What is a gummy smile? Gingival smile is when making expressions (especially laughing) when the gums (especially the upper gums) are exposed, serious gingival smile when laughing the upper gum sulcus exposed obviously, to a certain extent destroyed the beauty of the face. Of course, self-confidence is beautiful, adults should be open-minded to be themselves, but if you can adjust to compensate for these small problems, the face will definitely be another level ~ so how to solve the problem of gummy smile? There are various reasons for gummy smile, such as maxillary protrusion, malocclusion, short upper lip tissue, etc. There are mild, medium and severe cases. How can you tell what level of gummy smile you have? Mild to moderate gummy smile: Judgment method: beautiful when you close your mouth, only when you smile will you show your gums, smile usually has deeper lines and pulling muscles. How to solve it? Gummy smile can be treated by Botox injection. Botox can loosen the muscle pull and relax the upper lip. But after 3-6 months, you need to re-inject it. You can also consider plastic surgery to solve the problem by making an intra-oral incision to loosen the upper lip square and descending nasal septum muscles bilaterally. If there is a short upper lip at the same time, an external incision can be combined with a short upper lip and a gingival smile correction. Severe gingival smile: Judgment method: when smiling, it feels like the teeth are “flying out”. The gums are widely exposed, and the upper jaw is protruding. How to solve it? Craniofacial surgery or orthodontics is required. Simply put, a strip of alveolar bone above the teeth will be removed and the upper front teeth will be moved up or tilted back to shorten the vertical distance between the upper and lower teeth and change the degree of protrusion of the upper front teeth.