1. Profession GermanyNorth America Based on international PEERS survey May 2015

2. Length of time working in dentistry Based on international PEERS survey May 2015 GermanyNorth America

3. Gender Based on international PEERS survey May 2015 GermanyNorth America

4. Primary work setting Based on international PEERS survey May 2015 GermanyNorth America

5. Fully edentulous in one jaw: percentage by patient age group Based on international PEERS survey May 2015 GermanyNorth America

6. Fully edentulous in both jaws: percentage by patient age group Based on international PEERS survey May 2015 GermanyNorth America

7. Fully edentulous in the upper jaw: percentage by treatment type provided Based on international PEERS survey May 2015 GermanyNorth America

8. Fully edentulous in the lower jaw: percentage by treatment type provided Based on international PEERS survey May 2015 GermanyNorth America

9. How likely to incorporate a removable with the stability of a fixed solution? Based on international PEERS survey May 2015 North AmericaGermany

10. What services do you charge for? Based on international PEERS survey May 2015 GermanyNorth America

11. Number of times per year your patient’s overdenture needs adjustment Based on international PEERS survey May 2015 GermanyNorth America

12. Average chairtime for adjustment or replacement of retention component Based on international PEERS survey May 2015 GermanyNorth America

13. % of conventional denture patients you would consider transitioning to something more stable Based on international PEERS survey May 2015 GermanyNorth America

14. % of attachment-retained patients you would consider transitioning to something more stable Based on international PEERS survey May 2015 GermanyNorth America

15. % of patients with attachment-retained prostheses who have expressed the desire for something more stable Based on international PEERS survey May 2015 GermanyNorth America

16. % ratio between anatomical vs. financial limitation for not being able to transition to a more stable solution Based on international PEERS survey May 2015 GermanyNorth America

17. Patients with fixed solutions – frequency of recall Based on international PEERS survey May 2015 GermanyNorth America

18. Do the screws in a fixed prosthesis need replacement due to “wear and tear” Based on international PEERS survey May 2015 GermanyNorth America

19. % of fixed prostheses that require screw replacement Based on international PEERS survey May 2015 GermanyNorth America

20. Average time after delivery of fixed prostheses that screws start being replaced Based on international PEERS survey May 2015 GermanyNorth America

21. How often the screws are replaced Based on international PEERS survey May 2015 GermanyNorth America