Error analysis of 3D printing surgical guide according to tooth position
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초록
The purpose of this study is to evaluate the accuracy of digital surgical guide according to implant position. Dentiform with D2 bone density, which has a #15, 16, 17, 24, 25, 26, 34, 35, 36, 45, 46, 47 edentulous space, is fabricated. Model scanning and cone beam computed tomography (CBCT) data was taken and overlapped using In2Guide software, and the implants were planned. The digital surgical guide was fabricated using 3D printing and the implants were installed using the surgical stent. CBCT were retaken after the implants were installed, and the “before” surgery and “after” surgery CBCTs were overlapped. Then, the degree differences and length differences at implant shoulder and tip area were statistically analysed. The mesial implant of the tooth-supported type showed 1.06±0.53°, 0.29±0.19 mm, 0.39±0.24 mm, the middle implant showed 1.36±0.67°, 0.40±0.15 mm, 0.42±0.23 mm and the distal implant showed 1.39±0.69°, 0.59±0.29 mm, 0.67±0.41 mm respectively. The mesial implant of the tissue-supported type showed 1.76±0.83°, 0.57±0.29 mm, 0.88±0.31 mm, the middle implant showed 2.15±0.65°, 0.69±0.25 mm, 1.08±0.28 mm. and the distal implant showed 2.83±1.17°, 1.09±0.50 mm, 1.34±0.45 mm. The greater the proximity of the implant to the mesial side, the smaller the error.
Abstract
The purpose of this study is to evaluate the accuracy of digital surgical guide according to implant position. Dentiform with D2 bone density, which has a #15, 16, 17, 24, 25, 26, 34, 35, 36, 45, 46, 47 edentulous space, is fabricated. Model scanning and cone beam computed tomography (CBCT) data was taken and overlapped using In2Guide software, and the implants were planned. The digital surgical guide was fabricated using 3D printing and the implants were installed using the surgical stent. CBCT were retaken after the implants were installed, and the “before” surgery and “after” surgery CBCTs were overlapped. Then, the degree differences and length differences at implant shoulder and tip area were statistically analysed. The mesial implant of the tooth-supported type showed 1.06±0.53°, 0.29±0.19 mm, 0.39±0.24 mm, the middle implant showed 1.36±0.67°, 0.40±0.15 mm, 0.42±0.23 mm and the distal implant showed 1.39±0.69°, 0.59±0.29 mm, 0.67±0.41 mm respectively. The mesial implant of the tissue-supported type showed 1.76±0.83°, 0.57±0.29 mm, 0.88±0.31 mm, the middle implant showed 2.15±0.65°, 0.69±0.25 mm, 1.08±0.28 mm. and the distal implant showed 2.83±1.17°, 1.09±0.50 mm, 1.34±0.45 mm. The greater the proximity of the implant to the mesial side, the smaller the error.
참고문헌 (9)
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