Diederik Hentenaar

61 Erythritol air-polishing in non-surgical peri-implantits treatment 2 Chapter 3 Figure 1. Flow diagram Assessed for eligibility (n = 100) Excluded (n = 20) • Not meeting inclusion criteria (n = 10) • Declined to participate (n = 10) • Analysis of primary and secondary outcomes at T3 (n = 38 patients, 62 implants) • Descriptive analysis of patients with successful treatment outcome at T3 and follow-up at T6, T9 and T12 (n = 4 patients, 5 implants) Lost to follow-up (n = 2) • 1 patient/2 implants; moved abroad between intervention and 3 month follow-up • 1 patients/1 implant; did not show up without specific reason at 3 month evaluation Allocated to Air-polishing group (n = 40) • Received allocated intervention (n = 40) • Did not receive allocated intervention (n = 0) Lost to follow-up (n = 1) • 1 patient/1 implant did not show up without specific reason at 3 month evaluation Allocated to Ultrasonic group (n = 39) • Received allocated intervention (n = 39) • Did not receive allocated intervention (n = 0) • Analysis for primary and secondary outcomes at T3 (n= 38 patients, 70 implants) • Descriptive analysis of patients with successful treatment outcome at T3 and follow-up at T6, T9 and T12 (n = 10 patients, 18 implants) Allocation Analysis Follow-Up Randomized (n = 79) Enrollment Originally included but left the study before randomization, due to family circumstances (n = 1) Figure 1. Flow diagram 3