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J-Stage 05/21/2020 12:43
Conclusions: Making and aligning, in a single procedure, intraoral scans of the edentulous arches and occlusion rims incorporating maxillo-mandibular relationships and information for tooth arrangement, allow to proceed directly with the denture design, thus, being sensible from the treatment time efficiency point of view.
J-Stage 05/21/2020 12:43
Conclusions: Upper-bound deviation of a cropped scan may provide a clinically useful metric for scanner precision. The Aadva, 3Shape, CEREC and TDS produced scans potentially appropriate for clinical use while Planmeca and Dentalwings produced deviations greater than 0.3 mm when measuring the upper- bound deviation.
J-Stage 05/21/2020 12:43
Conclusions: Maxillary overdentures on four implants retained by bars or locators were compared. Bone loss was within an acceptable range for both groups after 1 year. However, less bone was lost in the bar group. Even though both treatment options improved patient satisfaction, bars seem to be particularly beneficial with regard to OHIP-49 sum score.
J-Stage 05/21/2020 12:43
Conclusions: Resin denture teeth in partial removable and complete dental prostheses are subjected to clinically important occlusal wear that might destabilize occlusion and cause further problems. Patientrelated factors and dental status affect wear behavior and should be taken into consideration when treating patients with removable dentures.
J-Stage 05/21/2020 12:43
Conclusions: Scanning powder decreased cell activity and induced cell death in L929 cells at high concentrations. Human oral fibroblasts showed an increase in IL-6 levels but more resistance to the cytotoxicity of the powder. Within the limitations of an in vitro study our results suggest that proper cleaning after scanning is of clinical relevance to avoid potential unwanted effects of the powder.
J-Stage 05/21/2020 12:42
Purpose: In recent years, the application of restorations and fixed dental prostheses to molars by computer-aided design-computer-aided manufacturing (CAD/CAM) with composite resin has been increasing. Titanium and titanium alloy having a high tissue affinity and good biocompatibility are suitable for cases where CAD/CAM fabrications are inadequate, such as allergic reaction to metal. Many studies have reported methods of production with titanium and titanium alloys. The purpose of this revie...
J-Stage 05/09/2020 12:45
In this context, it is important to carefully consider the necessity of tooth extraction in the case of refractory apical periodontitis. This paper proposes returning to the basics and making every effort to preserve natural teeth before planning dental implant treatment with tooth extraction. In addition, the great contribution of surgical endodontics to tooth preservation is discussed.
J-Stage 05/09/2020 12:45
This study was conducted to clarify the relation between the maximum bending load, deflection and strain applied to an implant collar and the ratio of superstructure length to implant body length. The length I of the implant body was maintained at 12.4 mm, whereas the superstructure length was varied (9, 10, 12, or 15 mm). For each superstructure length, the distance (1.5 mm) between the superstructure margin and bone level was added and this length (i.e., superstructure length + 1.5 mm) was ...

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