The Accuracy of New and Aged Mechanical Torque Devices Employed in Five Dental Implant Systems

Table 1

Minimum, maximum, and mean values for all new and aged wrenches.

Implant; system	Minimum; value	Maximum; value	Mean; value	Std. deviation	p value
Biohorizons (aged)	17.570	32.024	23.703	2.770	p > 0.05 (0.814)
Biohorizons (new)	19.554	27.489	23.544	1.888
Bredent (aged)	17.287	45.060	30.39	1.5069	p > 0.05 (0.619)
Bredent (new)	21.538	38.825	29.643	0.9666
Implant KA (aged)	18.9878	27.2064	23.1594	2.3690	p > 0.05 (0.177)
Implant KA (new)	18.9878	25.2226	22.3886	1.5173
Straumann (aged)	19.27	33.16	29.8250	2.9557	p > 0.05 (0.736)
Straumann (new)	18.70	37.98	30.1311	3.4132
Zimmer (aged)	17.5708	31.1740	26.2201	3.2001	p > 0.05 (0.113)
Zimmer (new)	15.0202	37.4088	27.8412	3.8774