Journal of the Korean Association of Oral and Maxillofacial Surgeons : eISSN 2234-5930 / pISSN 2234-7550

Table. 8.

Table. 8.

Characteristics of the subjects and implants in this study with two or more incidents of screw loosening

No. of patients or implants (%)
Sex Male 18 (75.0)
Female 6 (25.0)
Age (yr) ≤39 1 (4.2)
40-49 5 (20.8)
50-59 10 (41.7)
60-69 6 (25.0)
≥70 2 (8.3)
Implants (manufacturer) ET (Dio) 10 (32.3)
GSIII (Osstem) 0 (0)
TSIII (Osstem) 0 (0)
USII (Osstem) 7 (22.6)
Pitt-easy (Oraltronics) 4 (12.9)
Restore (Lifecore Biomedical) 0 (0)
Osseotite (Biomet 3I) 8 (25.8)
Xive (Friadent) 2 (6.5)
Implant diameter (mm) ≤3.5 0 (0)
3.75-4.1 10 (32.3)
4.5-4.9 2 (6.5)
≥5 19 (61.3)
Implant length (mm) ≤9.5 0 (0)
10-11.5 28 (90.3)
12-14 3 (9.7)
≥15 0 (0)
Arch Maxilla 16 (51.6)
Mandible 15 (48.4)
Position Anterior 1 (3.2)
Premolar 3 (9.7)
Molar 27 (87.1)
Implant-abutment connection type Internal hex 7 (22.6)
External hex 24 (77.4)
Type of retention Cement 6 (19.4)
Screw 25 (80.6)
Type of prosthesis Implant-retained overdenture 0 (0)
Splinted crown 3 (9.7)
Cantilever bridge 0 (0)
Single crown 28 (90.3)
Opposing tooth Denture 0 (0)
Fixed prosthesis 3 (9.7)
Implant-supported prosthesis 4 (12.9)
Natural tooth 24 (77.4)
J Korean Assoc Oral Maxillofac Surg 2020;46:133~142
https://doi.org/10.5125/jkaoms.2020.46.2.133
© JKAOMS