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ASSESSMENT OF THE STABILITY OF IMPLANT POSTERIOR MANDIBULAR ON PATIENTS USING STEREOLITHOGRAPHY SURGICAL GUIDE AT IMMEDIATELY AND AFTER 3 MONTHS IMPLANT TREAMENT IN CAN THO UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL
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Abstract
Background: The stability of the implant is a clinical condition that does not shake the implant, which is also the proposed definition for the concept of bone integration. Achieving and maintaining implant stability is one of the prerequisites for successful implant prosthetics. A stable implant can exhibit varying degrees of stability (i.e., degree of mobility). deflection or resistance to force varies), depending on factors related to bone, surgical technique, and implant design. Objectives: To evaluate the stability of the implant after implant treatment in the 1st and 2nd lower jaw in patients using stereolithography surgical guide after implantation and 3 months after implantation. Materials and methods: All implants were surgically performed at the Department of Odonto-Stomatology - Can Tho University of Medicine and Pharmacy Hospital from March 2021 to June 2022. Research facilities - Galileos CBCT scanner of Sirona, Germany, the disc stores the patient's CBCT images as DICOM data. Trios 3 scanning system to convert jaw sample data into digital data with STL (standard template library) data format.- Blue Sky Plan software designs guide tray for dental implant surgery. Results: The difference in implant torque by gender, bone density, implant diameter and length was not statistically significant (p>0.05). The average implant stability at the time immediately after surgery was 74.39 ISQ, all were > 60 ISQ, in which group ≥70 ISQ accounted for the majority with 27 positions accounting for 84.4%, followed by group 65 - 69 ISQ with 3 positions accounting for 9.4%. After 3 months, it increased to 75.69 ISQ and the difference was statistically significant (p=0.01). Conclusion: The implant torque of 30-35 Ncm group accounted for the majority with 63%, the average ISQ index recorded at the time of implantation was 74.41 ± 5.55. After 3 months, the ISQ index increased to 75.72 ± 5.34
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Keywords
stereolithography surgical guide, stability, ISQ.
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