Porcelain teeth with foreign body sensation may be caused by poor adaptation of porcelain teeth and oral cavity. 1. Porcelain teeth are suitable for patients with discolored teeth, malformed teeth, cavities, enamel underdevelopment, etc., in order to restore the ideal form and function of the teeth, so that their color is beautiful, common materials are metal porcelain teeth, precious metal porcelain teeth, pure titanium and titanium alloy porcelain teeth, etc., but the size of the porcelain teeth, material and other inappropriate, it may lead to the oral cavity with a foreign body sensation. 2. Porcelain teeth are not suitable for people with underdeveloped permanent teeth, small teeth, bruxism, etc. After installation, foreign body sensation, pain, gingivitis, loosening of metal porcelain crowns and other adverse reactions may occur. When there is a need to install porcelain teeth, you can go to a professional medical institution for consultation and treatment, and you can consult a doctor for treatment when there are uncomfortable symptoms after installation.