References
COMPLICATIONS
Participants with three (((Flow diagram of the study.Implant-level Kaplan–Meier curves for success and satisfactory survival of 4 or 3 mini dental implants (MDIs) supporting mandibular overdentures over 5 years of follow-ups.Patient-level Kaplan–Meier curves for success and satisfactory survival of 4 or 3 mini dental implants (MDIs) supporting mandibular overdentures over 5 years of follow-ups.Mean marginal bone level change (in mm) in the 3- and 4-MDI groups with the significance of the differences between the groups.SD—standard deviation; df—degree of freedom; NS—not significant; Survival analysis comparing the 3-MDI and 4-MDI groups throughout five years of supporting mandibular overdentures (implant level).n—number.Comparison of the 3-MDI and 4-MDI groups (implant level).Test of comparison of survival distributions for the different groups (3- vs. 4-MDI); df—degree of freedom; Survival analysis comparing the 3-MDI and 4-MDI groups throughout five years of supporting mandibular overdentures at the patient level.n—number.Comparison of the 3-MDI and 4-MDI groups (patient level).Test of comparison of survival distributions for the different groups (3- vs. 4-MDI); df—degree of freedom; Overdenture complications and maintenance registered through the 5-year observation period.