[1] Sichuan Univ, West China Hosp Stomatol, State Key Lab Oral Dis, Chengdu 610041, Peoples R China
[2] Sichuan Univ, West China Hosp Stomatol, Dept Prosthodont, Chengdu 610041, Peoples R China
[3] Univ Kansas, Sch Pharm, Dept Pharmacol & Toxicol, Lawrence, KS 66047 USA
[4] Univ Kansas, Sch Pharm, Higuchi Biosci Ctr, Lawrence, KS 66047 USA