Funding for this research was provided by:
key specialty construction funding of Fujian Provincial Health Commission (2017MCZ0994 , 2018MCZ0404)
Received: 17 April 2020
Accepted: 31 August 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: Ethical approval for this study was obtained from the Institutional Ethics Committee of the School of Stomatology, Fujian Medical University (Ref.  NO. 28). Informed consent was obtained from the patient in written form.
: Written informed consent for the publication of clinical details was obtained from the patient.
: The authors declare that they have no competing interests.