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Table 2 Distribution of the CLP patients undergoing IPS-preprosthetic® treatment

From: Novel approach for treating challenging implant-borne maxillary dental rehabilitation cases of cleft lip and palate: a retrospective study

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
  1. CLP cleft lip and palate; CAD computer-aided design