With the improvement of our living standard, our demand for oral health is increasing. While we continue to improve the quality of life, the demand for cosmetic dentistry is also gradually increasing, the biological properties of the material requirements are increasingly high, biosafety has become a hot topic of concern. Just the year before last, “porcelain teeth caused by nephritis” incident was a furore. Currently, the most important way to restore the front teeth is metal porcelain teeth. Traditional metal porcelain teeth are impervious to light, easy to precipitate metal ions produce gum black line, affecting the aesthetic effect of the repair shortcomings. The current all-porcelain teeth can completely eliminate the shortcomings of metal porcelain teeth, to meet the needs of people’s aesthetics and the use of biological materials, is the ideal choice for cosmetic restoration of front teeth. Case: How did the gums bleed and darken? Wuxi Mental Health Center, Department of Stomatology Dong Haidong Ms. Qian, 39 years old, a school vice principal, two years ago because of the incisors black tooth decay did two porcelain teeth, from the facade image greatly improved, a bright smile on this constantly blooming. However, the good times do not last, a month later one night, Ms. Qian woke up to find a puddle of bright red blood on her pillow, a mirror found teeth in the mouth are spots of blood, scared Ms. Qian did not sleep all night, the next morning, to the doctor that check, the results of all normal, is a little inflammation of the gums, eat some medicine to reduce inflammation, and then scaling the teeth on the good. This is how in the days to come and repeated several times, Ms. Qian thought it was over, a year later she found her incisors gums gradually appeared a black line, this time Ms. Qian put down her heart and raised up, will not be like the TV heavy metal poisoning it? Will not have an incurable disease? Analysis: the original metal porcelain teeth to blame! Introduced by colleagues, friends, Ms. Qian found the Wuxi City Mental Health Center Dental Clinic, namely the Wuxi Dental Clinic of South Medical University, Ms. Qian was found to be due to porcelain teeth do not fit, metal allergies and metal porcelain teeth precipitated metal ions and gum problems. Ms. Qian’s porcelain teeth are ordinary stainless steel metal and bio-ceramic processing, bio-ceramic to the human body few hazards, stainless steel metal is also harmless to most people, but Ms. Qian is allergic, coupled with poor workmanship, there is the above hazards. Now research has found that some people are allergic to the elements in metal porcelain teeth, stainless steel metal in the impurity metal element beryllium can cause neurosarcoidosis, and so on. Treatment: removal of porcelain teeth, gums thoroughly treated, fiber pile plus all-porcelain dental restoration. The team of doctors at the Dental Clinic of Wuxi Mental Health Center immediately removed Ms. Qian’s metal porcelain teeth, restored them with a perfect removable temporary denture, and performed periodontal treatment for up to three months to first solve Ms. Qian’s gum bleeding problem, and finally gave Ms. Qian a fiber pile plus all-porcelain restoration. Ms. Qian was also given a detailed oral hygiene instruction so that Ms. Qian gained the knowledge and awareness of dental health that will benefit her for the rest of her life. Ms. Qian’s colleagues and friends agreed that Ms. Qian’s dentures were too real, and since then, Ms. Qian has regained her former bright smile. Reminder: porcelain dental processing units to formal! Wuxi City Mental Health Center Dental Clinic’s team of doctors believe that metal porcelain teeth do not often appear above the problem, is not terrible. But from the biological safety awareness of the material, all-porcelain teeth must be the ideal choice for the cosmetic restoration of front teeth! Wuxi Mental Health Center Dental Clinic doctor Dong Haidong reminded everyone to do porcelain teeth need to pay attention to the following points: First, we must be careful, and then good porcelain teeth are not as good as their own real teeth, porcelain teeth are treatment needs; Second, porcelain teeth must be to the “three certificates” complete unit processing, so that the quality of the material is guaranteed, which the regular hospital Department of dentistry to ensure; Third, porcelain and all-porcelain teeth are not universal, porcelain and all-porcelain teeth in the design is a medical specific conditions, which requires a good team of doctors. Wuxi Jingwei Center of Oral Surgery on the front teeth cosmetic problems have obtained the qualification of the main doctor of cosmetic dentistry in Jiangsu Province, preoperative, intraoperative and postoperative have a good team of doctors to collaborate with, will certainly make your smile more attractive!