- 【Updated on May 12, 2025】 Integration of CiNii Dissertations and CiNii Books into CiNii Research
- Trial version of CiNii Research Knowledge Graph Search feature is available on CiNii Labs
- Suspension and deletion of data provided by Nikkei BP
- Regarding the recording of “Research Data” and “Evidence Data”
Investigation of accuracy and reproducibility of abutment position by intraoral scanners
-
- Fukazawa Shota
- Department of Prosthodontics and Oral Implantology, School of Dentistry, Iwate Medical University
-
- Odaira Chikayuki
- Department of Prosthodontics and Oral Implantology, School of Dentistry, Iwate Medical University
-
- Kondo Hisatomo
- Department of Prosthodontics and Oral Implantology, School of Dentistry, Iwate Medical University
Search this article
Description
<p>Purpose: We examined the accuracy, including trueness and precision, of the intraoral scanners comparing with laboratory scanner to reveal the error level of intraoral scanners.</p><p>Methods: Measurements were performed using a computer numerical control coordinate measuring machine (CNCCMM) of the reference models as a control. Subsequently, intraoral scanners and a laboratory scanner were used for measurements of the reference trueness and precision of the distance were evaluated by image analyzing software.</p><p>Results: With regard to reference model, there was a significant difference between in the trueness measured by C.O.S. (COS) and that measured by the other scanners. The trueness measured by the second-generation 3MTM true definition scanner (TDS2) and thirdgeneration 3MTM true definition scanner (TDS3) was bigger than the one by TRIOS (TR) and KaVo (KA). With regard to reference model "B," error of the trueness measured by COS was significantly bigger, compared with the one measured by the other scanners. However, error range of intraoral scanners, except for COS, was considerably small and it should be covered with cement space.</p><p>Conclusions: The results of this study indicated that an optical impression method with an intraoral scanner could be applied to the implant therapy for multiple teeth missing.</p>
Journal
-
- Journal of Prosthodontic Research
-
Journal of Prosthodontic Research 61 (4), 450-459, 2017
Japan Prosthodontic Society