Factors Associated with Masticatory Performance in Unilateral Distal Extension Removable Partial Denture Patients

Tumrasvin, Wacharasak; Fueki, Kenji; Ohyama, Takashi

doi:10.1111/j.1532-849x.2006.00065.x

Cited by 43 publications

(66 citation statements)

References 23 publications

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“…Past reports indicated that loss of occlusal support in the posterior tooth region leads to decreased masticatory performance and decreased occlusal force and occlusal contact area, along with decreased masticatory function [5][6][7][8]. However, the fact that mastication was biased toward the nonmissing tooth side in the unilateral group and that masticatory performance on the nonmissing tooth side was identical during free mastication may have been the reason why no significant difference was observed between unilateral and control groups.…”

Section: Discussioncontrasting

confidence: 52%

“…Posterior teeth are relatively prone to loss, for reasons such as difficulty in performing efficient dental hygiene in this area and the considerable occlusal force to which they are subjected [2]. Several studies have investigated effects of posterior teeth loss on masticatory function [3,4], with most focusing on decreased masticatory performance resulting from decreased occlusal support [5][6][7][8]. The restoration of missing posterior teeth is considered important because decreased masticatory performance can decrease the quality of life [9].…”

Section: Introductionmentioning

confidence: 99%

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Comparative cross-sectional study of masticatory performance and mastication predominance for patients with missing posterior teeth

Iwashita

Tsukiyama

Kori

et al. 2014

Journal of Prosthodontic Research

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Although masticatory performance was not decreased in the unilateral group, the degree of mastication predominance was increased. Decreased masticatory performance was observed in the bilateral group, and for foods with normal hardness and soft foods, the degree of mastication predominance was increased. These results suggested that mastication predominance should be considered in the recovery of masticatory performance in patients with missing posterior teeth.

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Section: Discussioncontrasting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Comparative cross-sectional study of masticatory performance and mastication predominance for patients with missing posterior teeth

Iwashita

Tsukiyama

Kori

et al. 2014

Journal of Prosthodontic Research

View full text Add to dashboard Cite

show abstract

“…However, no significant difference was found when comparing patients who used RPDs and those who did not. Those studies that found a difference in terms of gender and occlusal units employed inaccurate methods of evaluation [6,7]. In addition, chewing force has at times been evaluated as a single, isolated factor, despite the fact that other factors, such as craniofacial dimensions, may also influence the chewing force [8].…”

Section: Introductionmentioning

confidence: 99%

Does a mandibular RDP and new maxillary CD improve masticatory efficiency and quality of life in patients with a mandibular Kennedy class I arch?

et al. 2015

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Objectives To evaluate the change in masticatory efficiency and quality of life of patients treated with mandibular Kennedy class I removable partial dentures (RPDs) and maxillary complete dentures at the Department of Dentistry of the Federal University of Rio Grande do Norte. Materials and methods A total of 33 Kennedy class I patients were rehabilitated with maxillary complete dentures, and mandibular RPDs were selected for this non-randomized prospective intervention study. The patients had a mean age of 59.1 years. Masticatory efficiency was evaluated by colorimetric assay using fuchsin capsules. The measurements were conducted at baseline and 2 and 6 months after prosthesis insertion. Quality of life was evaluated using the Oral Health Impact Profile (OHIP-14) at baseline and 6 months after denture insertion. The Kolmogorov-Smirnov normality test was applied. Masticatory efficiency was evaluated by repeated measures ANOVA. Oral health-related quality of life was compared using the paired t test.Results There was no statistically significant difference in masticatory efficiency after denture insertion (p =0.101). Significant differences were found (p=0.010) for oral healthrelated quality of life. A significant improvement in psychological discomfort (p<0.01) and psychological disability (p<0.01) was observed. Mean difference value (95 % confidence interval) was 6.8 (3.8 to 9.7) points, reflecting a low impact of oral health on quality of life, considering the 0-56 range of variation of the OHIP-14 and a Cohen's d of 1.13. Conclusion According to the results of the present study, rehabilitation with Kennedy class I RPDs and complete dentures did not influence masticatory efficiency but improved oral health-related quality of life. Clinical relevance The association between the patient's quality of life and the masticatory efficiency is important for treatment predictability.

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“…1). The cone-shaped abutments were used to simulate the inner telescopic crowns 13) of the premolar abutments. The convergence angle of the conical shape was 6° with a deep chamfered marginal shape, and the edge of each crown was naturally rounded.…”

Section: Three-dimensional Finite Element (Fe) Methodsmentioning

confidence: 99%

Reinforcement effects of fiberglass on telescopic dentures using a three-dimensional finite element analysis and fracture test

et al. 2009

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The purpose of this study was to evaluate the reinforcing effect of fiberglass on composite resin retainers of the telescopic dentures. A finite element method was used to assess the effect of the abutment height and the embedment of the fiberglass on the stress distributions of the retainers. The experimental retainers of Poly(methylmethacrylate), composite resin (CR) and the fiber-reinforced composite resin (FRC) were used in the fracture test. The fracture load of the FRC retainers were significantly greater than those of the other retainers. The embedment of the fiberglass reduced the stress at the upper surface of the CR retainers. The fracture origin in the CR retainers was seen on the upper surface, while that of the FRC was at the cervical region near the abutment. These results suggest that the change in the fracture pass by the fiberglass increased the fracture resistance of the CR retainer.

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Factors Associated with Masticatory Performance in Unilateral Distal Extension Removable Partial Denture Patients

Abstract: Gender, maximum bite force, and number of functional tooth units were the main factors influencing masticatory performance of unilateral distal extension RPD patients.

Cited by 43 publications

References 23 publications

Comparative cross-sectional study of masticatory performance and mastication predominance for patients with missing posterior teeth

Comparative cross-sectional study of masticatory performance and mastication predominance for patients with missing posterior teeth

Does a mandibular RDP and new maxillary CD improve masticatory efficiency and quality of life in patients with a mandibular Kennedy class I arch?

Reinforcement effects of fiberglass on telescopic dentures using a three-dimensional finite element analysis and fracture test

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