Wang, Yanfeng
Zeng, Jiajun
Yuan, Qiao
Luan, Qingxian
Funding for this research was provided by:
Capital’s Funds for Health Improvement and Research (2020-2-4103)
Article History
Received: 12 August 2020
Accepted: 31 January 2021
First Online: 18 February 2021
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Peking University School of Stomatology (No. PKUSSIRB-201944047). All procedures involving human participants were conducted in accordance with the Helsinki Declaration of 1975, as revised in 2013. All individual participants provided written informed consent before enrolled in the study.
: Not applicable.
: Dr. Luan has an issued patent the new-type scaler tip (ZL201820316091.3) without licensed to any company or royalties obtained. Other authors claim no conflict of interest related to this study.