Patients with large gaps between their teeth need to be treated for periodontitis first, and after the periodontitis is cured and under control, the gaps can be improved by making porcelain teeth. Periodontitis may cause loose teeth, periodontal abscess, alveolar bone resorption, chewing weakness and other symptoms, at this time to do porcelain teeth may destroy the periodontal tissues, but also make the periodontal condition worse. Patients need periodontal system treatment, when the periodontitis cure control can be installed through the installation of porcelain teeth to improve the situation of large gaps between the teeth. It is recommended that patients go to a professional dental clinic and choose the appropriate treatment plan under the guidance of the doctor. After the porcelain teeth need to pay attention to oral cleaning, avoid eating too hard food, regular follow-up.