The evaluation of flexural strength and impact strength of heat-polymerized polymethyl methacrylate denture base resin reinforced with glass and nylon fibers: An in vitro study

Dagar, Sanjiv Rajender; Pakhan, Ashok J; Thombare, RU; Motwani, Bhagwandas K

doi:10.4103/0972-4052.43612

Cited by 12 publications

(10 citation statements)

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“…Statistically, a significant difference was found when comparing conventional heat cure denture base resin, high impact denture base resin, 2% nylon reinforced denture base resin, and 2% glass fiber reinforced denture base resin. Flexural strength result obtained in this study were in consensus with the study done previously, 7,12,19,20 where the flexural strength of PMMA increased after the incorporation of glass fibers than conventional heat cure resin. The inclusion of glass fibers beyond 5% showed a decrease in flexural strength and nylon reinforcement had slightly higher flexural strength than conventional heat cure rein.…”

Section: Resultssupporting

confidence: 91%

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Effects of denture cleansers on denture material properties —An observational Case—Control Study

Bhagat

Patel

2020

J Oral Res

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Everyday use of denture cleansers to prevent microbial colonization on dentures can affect the properties of the denture base material. Limited literature is available on the effects of denture cleanser on reinforced resins. This study aimed to evaluate and compare the effect of denture cleanser on the flexural and impact strength of conventional and reinforced heat cure acrylic resins. Materials and Methods: Rectangular shaped specimens were prepared for flexural and impact strength as per ISO 1567. The denture base resins used included conventional, high impact, nylon fiber reinforced and glass fiber reinforced heat cure acrylic resins. They were further categorized into subgroups A and B depending on immersion in distilled water or denture cleanser (3.8% sodium perborate based). The flexural strength and impact strength of specimens were measured. The study design is a observational case-control study. SPSS version 25 statistical analysis software was used, and the STROBE statement checklist was followed. Results: The mean flexural strength was highest for glass fiber reinforced heat cure resin followed by conventional heat cure resin, high impact heat cure resin and nylon reinforced heat cure resin, respectively. The mean impact strength was highest for high impact heat cure resin followed by glass fiber reinforced heat cure resin, conventional heat cure resin, and nylon fiber-reinforced resin respectively. Conclusion: All the denture base resins tested exhibited a decrease in flexural and impact strength following use of a denture cleanser.

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Section: Resultssupporting

confidence: 91%

“…The flexural strength results obtained in this study were in consensus with previous studies 7,12,19,20 where the flexural strength of PMMA increased after the incorporation of glass fibers compared to conventional heat cure resin.…”

Section: Discussionsupporting

confidence: 91%

Effects of denture cleansers on denture material properties —An observational Case—Control Study

Bhagat

Patel

2020

J Oral Res

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“…So various methods have been investigated to improve acrylic denture materials and prevent fracture including mechanical reinforcement of acrylic with other materials, such as, carbon, nylon, rayon and glass fibers, [12] but glass fibers have gained popularity because of their good esthetics and good bonding to polymer. [13,14] The select attachments for implant supported overdentures should have enough retentive properties to enhance the stability of the prosthesis. At the same time, the attachments should allow for an easy placement and removal of the prosthesis by the patient.…”

Section: Introductionmentioning

confidence: 99%

A novel computational analysis of computer milled zirconium implant abutment head design under reinforced implant supported overdenture

Shinawi

Al-Dharrab

Nassef

et al. 2013

2013 International Conference on Computer Medical Applications (ICCMA)

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During the past few decades, unalloyed titanium has been extensively used as a material of dental implant-supported restorations but it cause gingival discoloration and unnatural appearance of the surrounding soft tissue. Currently, yttrium oxide partially-stabilized zirconia (Y-TZP) is a ceramic of special interest because of its superior mechanical properties. This study was carried out with four one piece zirconium implants embedded on a standard acrylic resin mandibular edentulous model, the abutment of zirconium implant was classified into two designs and then laboratory test was applied with proposed biting force ( sensor (BS) and a bidirectional transmitreceive module. Our study concluded that the use of one piece Zirconium implant with box or parallel shape abutment head in implant supported over-denture without a need of cement, screws or plastics or metal housing for attachment in other types of implant had a superior results and easier maintenance and repair of the prosthesis if any complications occur.

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“…However there also exists a variety of materials for constructing and relining dentures [6]. Denture liners have been an integral part of the ancient as well as modern day dentistry with its chief role in the area of removable prosthodontics.…”

Section: Introductionmentioning

confidence: 99%

Comparative Evaluation of the Amount of Sorption and Solubility Seen in Soft Liner with Herbal and Commercially Available Denture Cleanser - An In vitro Study

Sehgal

Dubey

2021

JPRI

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Aims: the aim of the current study is to assess the quantity of sorption and solubility seen in the soft denture liner with herbal (neem) and commercially (clinsodent) available denture cleanser. Materials and Methods: The cross sectional study was carried out in the Department of Prosthodontics at Sharad Pawar Dental College And Hospital between February 2021 and July 2021. 52 samples of heat cured acrylic resin of circular shape were prepared using a stainless steel mould. The resilient liner was applied to all the samples using a denture adhesive. All samples will then be desiccated for 24 hours to get a stable or conditioned weight W1. The samples will then be divided into 2 groups namely: Group A (clinsodent group) and the Group B (herbal denture cleanser group). All the samples were immersed daily in cleanser for 8 hour and then transferred to artificial saliva for rest 16 hours of the day. Solutions of artificial saliva and denture cleanser was changed daily for the entire period of study that is 7 days. Later, all the test samples were removed from saliva, wiped dry, weighed for saturated weight W2. - After desiccating again for 24 hours the samples were again assessed for renovated weight that is W3. Results: With respect to sorption and solubility it was found that the clinsodent group exhibited greater percentage of sorption when compared to the neem denture cleanser group after a period of 7 days, p-values of 0.0001,S. Conclusion: It can be established that the solubility and sorption values of clinsodent group were higher when compared to the herbal denture cleanser group. Overall, neem in the form of denture cleanser performed better than clinsodent.

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The evaluation of flexural strength and impact strength of heat-polymerized polymethyl methacrylate denture base resin reinforced with glass and nylon fibers: An in vitro study

Cited by 12 publications

References 0 publications

Effects of denture cleansers on denture material properties —An observational Case—Control Study

Effects of denture cleansers on denture material properties —An observational Case—Control Study

A novel computational analysis of computer milled zirconium implant abutment head design under reinforced implant supported overdenture

Comparative Evaluation of the Amount of Sorption and Solubility Seen in Soft Liner with Herbal and Commercially Available Denture Cleanser - An In vitro Study

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