The Stability Analysis of Implants Installed in Osteotomies with Different Types of Controlled Bone Defects

Abstract

The stability parameters of implants (ITV, ISQ & PTV) according to different sizes of controlled bone defects made in implant osteotomies were analyzed and the correlation among the three kinds of implant stability parameters was tested in this study. 45 tapped screw-type dental implants were inserted in three t)pes of implant osteotomies made in 8 fresh-frozen pig femoral bones: Typel - without corona] bone defect, Type2 - with 3 nun coronal bone detects, and Type3 - with 6 mm coronal bone defects. The insertion torque values, ISQ & PTV of implants were measured and analyzed statistically. It is concluded that the circumferential coronal bone defects statistically influence the primary stability of implants; ITV, ISQ and PTV are suitable and available to detect the pen-implant corona] bone detects in 3 mm increments, and ITV and PTV are more sensitive to coronal cortical bone loss. There was a strong correlation between ITV and ISQ.