Table 1.

Survey questions.

(1) Please indicate your city.

(2) Please indicate your E-mail.

(3) Please indicate your institute.

(4) Please indicate your specialty.

(5) What implant system(s) is/are used in your practice?

(6) What is your role in implant treatment? (surgical part/prosthetic part)

(7) What retention systems do you use in your practice?

(8) Do the lab technicians limit your decisions in retention systems?

(9) What material(s) do you use to fill the access hole of the abutment screw?

(10) What cement(s) do you use for the final cementation of the implant restorations?

(11) From your practice, which retention systems are more frequently associated with failure?