Influence of removable partial dentures on the formation of dental plaque on abutment teeth

Shimura, Yoshiaki; Wadachi, Juro; Nakamura, Tomoyuki; Mizutani, Hiroshi; Igarashi, Yoshimasa

doi:10.1016/j.jpor.2009.08.003

Cited by 19 publications

(8 citation statements)

References 25 publications

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“…For better prediction of clinical performance of unilateral complex partial denture it is necessary however to enrol more participants for longer evaluation time, because the main limitation of this study was the small sample size and therefore it might be considered as preliminary study. Although the sample size was small, its distribution was in accordance with previous studies [21,22].…”

Section: Discussionsupporting

confidence: 88%

“…Za bolje i pouzdanije predviđanje kliničkih performansi JKPSP neophodno je uključiti veći broj ispitanika tokom dužeg vremena evaluacije, s obzirom na to da je glavno ograničenje ove studije mali broj uzoraka. Bez obzira na mali broj uzoraka, distribucija rezultata je u skladu sa referentnim studijama [21,22], i može ukratko prikazati uspešnost terapije JKPSP-om.…”

Section: Protetski Postupciunclassified

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Unilateral complex partial denture performance evaluation: 5 years follow up clinical study

Radović¹,

Živković²,

Pfićer³

et al. 2018

Stomatoloski Glasnik Srbije

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Introduction Removable partial denture (RPD) is common treatment option for unilateral partially edentulous patients not indicated for implant therapy. Unilateral complex partial denture (UCPD) could be an alternative approach to RPD treatment, but there is lack of evidence about UCPD treatment outcomes during the long-term clinical performance. The aim of this this study was to use periodontal, prosthodontic and participant satisfaction measures to evaluate the long-term clinical performance of UCPD. Material and methodsThis 5 year follow-up clinical study evaluated pocket probing depth (PPD) and vertical clinical attachment loss (CAL-V) of direct abutment (DA), indirect abutment (IA) and control teeth (CT). Also complications and failures of UCPD were analysed using questionnaire of participant satisfaction with UCPD (stability, comfort and manipulation). Results Evaluation of data showed that CAL-V and PPD significantly increased over time for DA, IA and CT (p<0.0001), but the tooth function (DA, IA and CT) did not significantly influence changes in PPD and CAL-V. The fracture of one abutment tooth and increase of the number of artificial teeth deformations (p=0.039) were observed after 5 years. Participant satisfaction with denture after 1 year and 5 years vs. 7 days was significantly improved. Conclusion Despite limitations of this clinical study and assuming regular oral maintenance with proper indication, UCPD might be considered as good treatment option for Kennedy II rehabilitation in patients not indicated for implant therapy or who cannot tolerate extensive RPD design.

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Section: Discussionsupporting

confidence: 88%

Section: Protetski Postupciunclassified

Unilateral complex partial denture performance evaluation: 5 years follow up clinical study

Radović¹,

Živković²,

Pfićer³

et al. 2018

Stomatoloski Glasnik Srbije

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“…However, several studies showed that if plaque control is established and a regular recall system with control, re-instruction and re-motivation is provided, PRDPs might not cause damage to the periodontium [5,43]. Shimura et al found that the plaque formation on the buccal surface is not dependent on the type or placement of clasps, and suggested to prepare the guide plane as close to the gingival margin as possible to reduce the plaque accumulation on the distoproximal surface [55]. However, clinical studies are recommended to evaluate the effect of resin clasps on the plaque accumulation on the abutment teeth.…”

Section: Resultsmentioning

confidence: 99%

Retentive forces and fatigue resistance of thermoplastic resin clasps

et al. 2012

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“…However, several studies showed that if plaque control is established and a regular recall system with control, reinstruction and re-motivation is provided, removable partial dentures might not cause damage to the periodontium (24,25) . Shimura et al found that the plaque formation on the buccal surface is not dependent on the type or placement of clasps and suggested to prepare the guide plane as close to the gingival margin as possible to reduce the plaque accumulation on the disto-proximal surface (26) . However, clinical studies are recommended to evaluate the effect of resin clasps on the plaque accumulation on the abutment teeth.…”

Section: Discussionmentioning

confidence: 99%

Retention and Fatigue Resistance of Peek and Acetal Thermoplastic Resin Clasps

Segai

Abbas

2018

Egyptian Dental Journal

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Aim;The objective of this study was to evaluate the retentive force of clasps made from two thermoplastic resins by the insertion/removal test simulating two years. Methods:Over standardized premolar and molar metal crowns 36 clasps were fabricated, including 18 clasps (1.5 mm thick) from each of the following thermoplastic resins: polyetheretherketon (PEEK) and polyoxymethylene (POM). Each clasp assembly was subjected to an insertion/removal test on its abutment crown. Retention of each clasp at pre-test (Baseline) and after insertion/removal cycling intervals (360, 730, 1080, 1440, 2116 and 2880 cycles by chewing simulator) were measured by applying withdrawal force to it using universal testing machine. To analyze the retention over the course of insertion/removal test, retention was measured every 360 cycles. Data were statistically analyzed using 3-way ANOVA (α= 0.05).Results. PEEK Resin material group recorded statistically significant higher mean value than Acetal material group mean value (P=0.0013<0.05). Molar abutment group recorded statistically non-significant higher mean value than premolar abutment group mean value (P= 0.0620>0.05). Retention decreased significantly as indicated by three-way ANOVA (P= 0.007<0.05). Conclusion:Retention forces of PEEK clasps were clinically acceptable, and superior to retention forces of Acetal clasps. However, both the retention of adequately designed resin clasps might be enough for clinical use. Clasps made of PEEK showed the more promising retentive force with a non-fracture tendency at tooth undercut.

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Influence of removable partial dentures on the formation of dental plaque on abutment teeth

Abstract: The plaque formation on the buccal surface is not dependent on the types of clasps. It is effective to prepare a guide plane as close to the gingival margin as possible to reduce the plaque accumulation on the distoproximal surface.

Cited by 19 publications

References 25 publications

Unilateral complex partial denture performance evaluation: 5 years follow up clinical study

Unilateral complex partial denture performance evaluation: 5 years follow up clinical study

Retentive forces and fatigue resistance of thermoplastic resin clasps

Retention and Fatigue Resistance of Peek and Acetal Thermoplastic Resin Clasps

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