DS_10.1177_0022034520924390 – Supplemental material for Risk Factors for Failure of Direct Restorations in General Dental Practices WierichsR.J. KramerE.J. Meyer-LueckelH. 2020 <p>Supplemental material, DS_10.1177_0022034520924390 for Risk Factors for Failure of Direct Restorations in General Dental Practices by R.J. Wierichs, E.J. Kramer and H. Meyer-Lueckel in Journal of Dental Research</p>