Metameric effect between natural teeth and resin teeth of A2 shade
DUAN Yan-ling1, TONG Xu1, MENG Yu -kun2
1. State Key Laboratory of Oral Diseases, Sichuan University, Chengdu 610041, China; 2. Dept. of Prosthodontics, West China College of Stomatology, Sichuan University, Chengdu 610041, China