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

Table. 7.

Table. 7.

Screw loosening according to implant prosthesis type and opposing teeth

Screw loosening χ2 P-value

No Yes
Type of prosthesis Implant-retained overdenture 32 (100) 0 (0) 77.392 0.000*
Splinted crown 1,148 (96.6) 40 (3.4)
Cantilever bridge 15 (88.2) 2 (11.8)
Single crown 594 (86.0) 97 (14.0)
Opposing tooth Denture 61 (100) 0 (0.0) 6.325 0.097
Fixed prosthesis 357 (93.9) 23 (6.1)
Implant-supported prosthesis 331 (92.5) 27 (7.5)
Natural tooth 1,040 (92.1) 89 (7.9)

* P<0.05.

Values are presented as number of implants (%).

J Korean Assoc Oral Maxillofac Surg 2020;46:133~142
https://doi.org/10.5125/jkaoms.2020.46.2.133
© JKAOMS