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

Table. 4.

Table. 4.

Screw loosening according to arch and position

Screw loosening χ2 P-value

No Yes
Arch Maxilla 878 (92.5) 71 (7.5) 0.207 0.649
Mandible 911 (93.1) 68 (6.9)
Position Anterior 309 (93.1) 23 (6.9) 10.500 0.005*
Premolar 407 (96.2) 16 (3.8)
Molar 1,073 (91.5) 100 (8.5)

* 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