[1] Zhoukou Normal Univ, Key Lab Rare Earth Funct Mat & Applicat, Zhoukou 466001, Peoples R China
[2] Sun Yat Sen Univ, Guangdong Prov Key Lab Stomatol, Hosp Stomatol, Dept Oral & Maxillofacial Surg,Guanghua Sch Stoma, Guangzhou 510055, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Hosp Stomatol, Guanghua Sch Stomatol, Dept Prosthodont, Guangzhou 510055, Guangdong, Peoples R China
[4] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore
[5] Louisiana Tech Univ, Inst Micromfg, Ruston, LA 71272 USA