Patient: My main problem is that I have a large gap between my upper incisors, I think it is 5-6 mm. (28 teeth in total, not closely aligned, all teeth are healthy) I wonder what is a better procedure for this? A better plan. Jiang Ting, Department of Prosthodontics, Peking University Stomatological Hospital: Your case should be orthodontically closed first, which usually takes 1-2 years. If the shape of the teeth is good, the orthodontic treatment can achieve the aesthetic effect, if the shape is not good, you can do porcelain veneers after orthodontic treatment to improve the shape. Patient: I heard that the best time to get orthodontic treatment is before you are a teenager. I am 25 years old now and I am working in a company. In fact, my teeth are quite neat, but the gap between the two incisors is a bit large, which affects the aesthetics. In addition to orthodontics, many people do porcelain, which can repair the gaps and has a short treatment time. Do you think this treatment option is suitable for me? What are the pros and cons of porcelain compared to orthodontics for me. Jiang Ting, Department of Restorative Dentistry, Peking University Stomatology Hospital: If the gap is small (3,4mm or less), you can do porcelain veneers on both sides of the teeth to close the gap. Healthy teeth easily do not do porcelain teeth, because the damage is large. But your gap is too large, if you do veneers on both sides of the teeth look too big and unattractive, if you do porcelain bridge into three incisors, the center line is skewed, also unattractive. So the first choice is orthodontics, which can be done at the age of 25. Now there are also lingual orthodontics and clear bracket orthodontics, which does not affect the aesthetics too much.