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Torquing Implant Surgery

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After successful osseointegrated implant therapy, one of the most common complications has been the screw loosening. The importance of abutment screw tightening with proper preload continues to be emphasized. Not only is a minimum torque critical, but excessive torque may exceed the yield strength of the screw, resulting in permanent deformation, loss of mechanical, and screw fracture. Problems associated with abutment screw loosening and fracture may be due to inaccurate fit and improper tightening. Within the field of implant dentistry, clinicians should realize their relative level of performance when torquing implant components. Dentists or dental students should have an idea of how strong or weak they are when using finger
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