The main hazards of resin teeth are allergy, wear and tear, and shrinkage of polymerization. 1. Allergy: Since the polymerization of resin teeth may release excess monomer, some people may have allergic phenomenon, which may cause tooth pain or even cause pulpitis. 2. Wear and tear: Resin teeth have poor abrasion resistance, so the use of resin teeth may lead to wear and tear of the resin after a longer period of time. 3. Polymerization and contraction: resin teeth are prone to polymerization and contraction after use, resulting in tiny gaps between the teeth, if the care is not in place, it is easy to cause dental caries in the long run. Dental fillings suggest that patients can go to the hospital, under the guidance of the doctor to choose the right material.