A Novel Computer-Aided Design/Computer-Assisted Manufacture Method for One-Piece Removable Partial Denture and Evaluation of Fit

Ye, Hongqiang; Li, Xinxin; Wang, Guanbo; Kang, Jong-Gu; Liu, Yushu; Sun, Yuchun; Zhou, Yongsheng

doi:10.11607/ijp.5508

Cited by 34 publications

(45 citation statements)

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“…Therefore, the compatibility of the digital RSMs fabricated in this study is better than that of traditional types, largely because the conventional fabrication of RSMs is overly complex in terms of model construction; difficulties include the polymerization shrinkage of the self-curing resin, and the grinding and polishing of the RSM, which are prone to errors. Ye et al [42] found that the space under a cast metal large connecter was 131.1 ± 87.1 μm (7.5-353.0 μm), while that under a PEEK large connecter was 52.8 ± 44.6 μm (0.5-177.4 μm). In this study, the mean space of the PEEK and conventional RMSs were 44.32 ± 1.75 μm and 137.36 ± 18.63 μm, respectively, and their values were all smaller than the above research results.…”

Section: Discussionmentioning

confidence: 99%

Computer-aided design of polyetheretherketone for application to removable pediatric space maintainers

et al. 2020

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Background: The premature loss of primary teeth is a common problem in pediatric dentistry, resulting in disruption of the arch integrity. Hence, space maintainers (SM) used for maintaining spaces are necessary. However, current methods of making removable space maintainers (RSM) have some limitations. Methods: Digital models of dentition defects were obtained by using a scanning technique coupled with laser medical image reconstruction. The digital RSMs were designed using the 3Shape software. They were manufactured using two methods: polyetheretherketone (PEEK), and conventional methods (20 RSMs per group). For qualitative evaluation, the Likert five-point scale was used by 10 experts to obtain a score for 40 RSMs. The spaces between the tissue surfaces of the RSMs and the models were replaced using silicone, and the maximum and mean distances, as well as the standard deviation, were measured. A three-dimensional variation analysis was used to measure these spaces. The student's t-test and Satterthwaite t-test were used to compare the differences in the spaces for the various materials. Results: The PEEK RSMs were found to fit the models well. In the qualitative assessment, the mean experts' scores for the PEEK and conventional groups were 1.80 ± 0.40 and 1.82 ± 0.40, and there was no significant difference between the two groups (p = 0.875). In the quantitative assessment, the mean spaces for the PEEK digital RSMs and the conventional RSMs were 44.32 ± 1.75 μm, and 137.36 ± 18.63 μm, respectively, and the differences were statistically significant (p < 0.001). In addition, there were significant differences in the maximum space and the standard deviation between the two groups.

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Section: Discussionmentioning

confidence: 99%

Computer-aided design of polyetheretherketone for application to removable pediatric space maintainers

et al. 2020

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“…14 23 Furthermore, PEEK has also been employed in the digital manufacture of removable partial dentures. 24,25 Several previous studies have investigated the two-body wear rate and three-body abrasion of PEEK, 26,27 and they concluded that PEEK performed better resistance. However, clinical research on the wear resistance of PEEK materials has not yet been reported.…”

Section: Discussionmentioning

confidence: 99%

Preliminary clinical evaluation of traditional and a new digital PEEK occlusal splints for the management of sleep bruxism

Wang

et al. 2020

J of Oral Rehabilitation

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Sleep bruxism (SB) is defined previously as a kind of repetitive jaw-muscle activity mainly manifested by grinding, clenching, and/or bracing or thrusting of the mandible during sleep. 1 Although the aetiology of bruxism is not exactly clear, many studies regarded it as multiple causes including morphological, psychosocial, genetic and other possible factors. 2-5 Long-term SB can lead to tooth wear, jaw-muscle pain and occlusal trauma, and in some severe forms can cause difficulty with speech or swallowing. 6 With the deepening of research in recent years, some studies have constantly discussed and updated the definition of SB. 7-9 Therefore, it tends to be regarded as a risk factor rather than a kind of disease. In 2018, Lobbezoo et al stated in a new study that SB should be regarded as a 'behaviour' among

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“…This material is thought to possess optimal physical properties that match with those of the tissues it is intended to replace (human bone, enamel, and dentin). Ye et al 139 reported on a preliminary laboratory trial incorporating a novel CAD-CAM process to produce 1piece RPDs fabricated by using PEEK. Fit of the PEEK RPDs was assessed on a standardized model and compared with the fit of traditional cast metal framework RPDs.…”

Section: Conventional Removable Partial Prosthodonticsmentioning

confidence: 99%

“…The in vitro fit of prostheses so manufactured appears to be better than that of traditional metal framework RPDs with acrylic resin bases and denture teeth. Ye et al 139 encouraged further investigation into the mechanical properties and long-term performance of PEEK in this novel application.…”

Section: Conventional Removable Partial Prosthodonticsmentioning

confidence: 99%

Annual review of selected scientific literature: A report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry

Cagna

Donovan

McKee³

et al. 2019

The Journal of Prosthetic Dentistry

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A Novel Computer-Aided Design/Computer-Assisted Manufacture Method for One-Piece Removable Partial Denture and Evaluation of Fit

Cited by 34 publications

References 0 publications

Computer-aided design of polyetheretherketone for application to removable pediatric space maintainers

Computer-aided design of polyetheretherketone for application to removable pediatric space maintainers

Preliminary clinical evaluation of traditional and a new digital PEEK occlusal splints for the management of sleep bruxism

Annual review of selected scientific literature: A report of the Committee on Scientific Investigation of the American Academy of Restorative Dentistry

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