Skip to main content

Table 4 Mean ± SD of percentage initial and percentage post load RTL2 and percentage difference between initial and post load RTL2 for GIA and GIB

From: Effect of dynamic cyclic loading on screw loosening of retightened versus new abutment screw in both narrow and standard implants (in-vitro study)

% RTL 2 Standard diameter T-test
Retightening New screw t P value
Initial Range 42.67 46.67 17.67 25 15.534 < 0.001*
Mean ± SD 44.402 ± 1.623 22.200 ± 2.753
Post load Range 46.67 53.33 51.33 57.33 − 2.848 0.022*
Mean ± SD 49.866 ± 2.408 54.066 ± 2.253
Paired test P value < 0.001* < 0.001*  
% Difference Range 9.37 14.29 127.14 190.57 − 11.283 < 0.001*
Mean ± SD 12.280 ± 1.975 146.074 ± 26.441
  1. *Statistical significant