Cooley R L, Marshall T D, Young J M, Huddleston A M
University of Texas, Health Science Center at San Antonio 78284.
Quintessence Int. 1990 Nov;21(11):919-23.
Retentive-pin twist drills were subjected to four methods of sterilization and then examined to determine possible effects on resistance to fracture, cutting efficiency, and surface condition. Sterilization methods included steam autoclave, chemical vapor autoclave, dry heat, and immersion in glutaraldehyde. Although the steam and chemical vapor groups had lower mean fracture strengths after sterilization, there was no statistically significant difference among the groups. Only the steam autoclave group showed a statistically significant loss of cutting efficiency. Scanning electron microscopic evaluation revealed that only drills sterilized by steam autoclave showed changes in the surface condition or cutting edges.
固位钉麻花钻采用四种灭菌方法进行处理，然后进行检查，以确定对断裂抗力、切削效率和表面状况可能产生的影响。灭菌方法包括蒸汽高压灭菌、化学蒸汽高压灭菌、干热灭菌和浸泡在戊二醛中。尽管蒸汽和化学蒸汽组在灭菌后的平均断裂强度较低，但各组之间没有统计学上的显著差异。只有蒸汽高压灭菌组的切削效率有统计学上的显著损失。扫描电子显微镜评估显示，只有经蒸汽高压灭菌的钻头在表面状况或切削刃上有变化。
