Table 1 Contents of the questionnaire

1. Basic information of respondents

(1) Where do you live?

(2) What is your professional background?

(3) How long have you been engaged in the oral implant industry?

(4) Have you ever performed dental implantation with freehand (FH) in clinical practice?

(5) Have you ever performed dental implantation with DGTs in clinical practice?

2. Application of DGTs

(1) What are the restrictions of DGTs when you use them for implantation?

(2) What are the supported forms of DGTs when you use them for implantation?

(3) What are the fabrication types of DGTs when you use them for implantation?

3. Views and attitudes toward the status quo and development of DGTs

(1) What is your opinion on the accuracy of DGT implantation and FH implantation?

(2) Do you think the accuracy (namely the deviation between preoperative design and postoperative implant placement) of DGT-guided dental implantation meets clinical requirements?

(3) Do you think the influence of surgical experience on implant accuracy can be eliminated by using DGTs?

(4) The preoperative design and the production of DGTs will bring extra time and economic costs. Do you think it is still worthwhile?

(5) What do you think are the important factors affecting the accuracy of DGT-guided implantation?

(6) Under what conditions do you think DGTs will be considered in clinical practice?

(7) Will you recommend other clinicians to use DGTs for implantation?

(8) Which kinds of training do you think medical staff need to participate before performing DGT-guided implant surgery?

(9) Which kinds of training in the above question are more important in your opinion?

(10) What is your opinion about the development status and future trend of DGT-guided implantation?