Publicação: Relation between Insertion Torque and Implant Stability Quotient: A Clinical Study
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Objectives This study aimed to assess the relation between the insertion torque and implant stability quotient (ISQ recorded immediately and 6 months after implant placement). Materials and Methods Twenty-five patients over the age of 18 years were selected for this study. One implant was placed per patient after tooth extraction. The implant site needed 15 mm in height and 8 mm in width. All implants had the same size (11.5 × 3.75 mm) and brand (Hexagonal Morse cone, DSP Biomedical). The insertion torque (Ncm) and resonance frequency analysis (ISQ value) (Osstell Mentor) were used to assess the primary stability (on the day of surgery). After 6 months, ISQ value was used to assess the secondary stability of each implant. Statistical Analysis The insertion torque data were correlated with ISQ measurements by using Pearson's correlation. The significance level was 5%. Results There was a positive correlation between insertion torque and initial ISQ (correlation: 0.457; p = 0.022); however, no correlation was found between insertion torque and final ISQ (p = 0.308). Conclusion The present study demonstrated that there is a positive correlation between the insertion torque and the initial ISQ. Therefore, the higher the insertion torque, the higher the initial ISQ (or vice versa).
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dental implants, dental prosthesis, resonance frequency analysis, torque
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Inglês
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European Journal of Dentistry.
