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EVALUATION OF THE ACCURACY OF STEREOLITHOGRAPHY SURGICAL GUIDE USED IN POSTERIOR MANDIBULAR DENTAL IMPLANTS
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Abstract
Background: The optimal three-dimensional (3D) implant position is a critically important factor for the long-term success of implant therapy. Recently, advanced digital technology for preoperative implant planning called static computer-assisted implant surgery (CAIS) help transfer to the surgical site by a 3D- printed surgical guide. Objectives: To evaluate the accuracy and the implant stability of stereolithography surgical guide used in posterior mandibular dental implants. Materials and methods: A case series includes 32 implant were inserted in the mandibular posterior. Surgical guides were printed after vitrual implant planning with Blue Sky Implant and all of them had 04 tooth – supported. Preoperative and postoperative cone beam computer tomography (CBCT) were used to evaluate the accuracy of implant position included the horizontal neck, horizontal apex, angular and depth deviations between the virtual and actual implant positions. Results: Study included 09 male and 11 female with average ages 32.28 ± 8.95. The mean horizontal neck deviation was found at 1,11 ± 0.67 mm; the apex was 1.43 ± 1.053 mm; the angular was 3.01 ± 2.53o; the depth was 0.71 ± 0.57 mm. Meant angular deviation, the depth, the horizontal neck and the horizontal apex were similar in sex groups, site and implant positions. Conclusions: In the posterior mandible area, implant position was inserted with full guided and tooth – supported surgery has a good accuracy.
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Keywords
surgical guide, 3D, dental implant, posterior mandibular tooth
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