Table 2 Distribution of the CLP patients undergoing IPS-preprosthetic® treatment
Patient number | 1 | 2 | 3 | 4 | 5 | 6 |
|---|---|---|---|---|---|---|
Sex | Female | Male | Female | Male | Female | Male |
Age at surgery | 18 | 64 | 66 | 33 | 56 | 68 |
Number of teeth remaining in the upper jaw | 9 | 0 | 0 | 8 | 0 | 0 |
Extension of IPS-preprosthetic® posts uni- (u)/bilateral (b) | b | b | b | u | b | b |
Opposing teeth in the lower jaw | Fully dentated | Removable dentures on 4 dental implants | Removable dentures on 5 teeth | Fully dentated | Removable dentures on 2 dental implants | Removable dentures on 2 dental implants |
Angle class III relation | + | + | + | − Previous bimaxillary surgery | + | + |
Oro-nasal fistula | − | + | + | + | + | + |
Previously failed dental implant reconstruction | − | + | + | + | + | − |
Previously failed/insufficient bone augmentation | + | + | + | + | − | − |
Duration of surgery (min) | 168 | 186 | 107 | 159 | 114 | 141 |
Trimming of the alveolar crest with CAD resection guide | − | − | + | − | − | + |
Number of posts | 3 | 4 | 4 | 2 | 4 | 4 |
Number of screws | 23 | 20 | 20 | 16 | 23 | 21 |
Length of screws (mm) | 5–11 | 5–13 | 5–11 | 5–9 | 7–11 | 7–9 |
Bichat fat pad | − | + | + | + | + | + |
Framework-exposure around posts | 2/3 | 3/4 | 1/4 | 0/2 | 0/4 | 0/4 |
Framework-exposure distant from posts | − | − | − | − | − | − |
Loss of implant | − | − | − | − | − | − |
Temporary dentures | − | − | − | − | − | + |
Definitive dentures | + | + | + | + | + | − |
Observation period (months) | 40 | 22 | 16 | 15 | 10 | 6 |