Evaluation and comparison of transverse and impact strength of different high strength denture base resins
Aim: The present study was undertaken to evaluate and compare the impact strength and transverse strength of the high-impact denture base materials. A conventional heat polymerized acrylic resin was used as a control. Materials and Methods: The entire experiment was divided into four main groups wit...
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wolters Kluwer Medknow Publications
2016-01-01
|
| Series: | Indian Journal of Dental Research |
| Subjects: | |
| Online Access: | http://www.ijdr.in/article.asp?issn=0970-9290;year=2016;volume=27;issue=1;spage=61;epage=65;aulast=Gupta |
| _version_ | 1819069767465566208 |
|---|---|
| author | Abhinav Gupta R K Tewari |
| author_facet | Abhinav Gupta R K Tewari |
| author_sort | Abhinav Gupta |
| collection | DOAJ |
| description | Aim: The present study was undertaken to evaluate and compare the impact strength and transverse strength of the high-impact denture base materials. A conventional heat polymerized acrylic resin was used as a control. Materials and Methods: The entire experiment was divided into four main groups with twenty specimens each according to denture base material selected Trevalon, Trevalon Hi, DPI Tuff and Metrocryl Hi. These groups were further subgrouped into the two parameters selected, impact strength and flexural strength with ten specimens each. These specimens were then subjected to transverse bend tests with the help of Lloyds instrument using a three point bend principle. Impact tests were undertaken using an Izod-Charpy digital impact tester. Results: This study was analyzed with one-way analysis of variance using Fisher f-test and Bonferroni t-test. There was a significant improvement in the impact strength of high-impact denture base resins as compared to control (Trevalon). However, in terms of transverse bend tests, only DPI Tuff showed higher transverse strength in comparison to control. Trevalon Hi and Metrocryl Hi showed a decrease in transverse strength. Conclusions: Within the limits of this in vitro study, (1) There is a definite increase in impact strength due to the incorporation of butadiene styrene rubber in this high strength denture base materials as compared to Trevalon used as a control. (2) Further investigations are required to prevent the unduly decrease of transverse strength. (3) It was the limitation of the study that the exact composition of the high-impact resins was not disclosed by the manufacturer that would have helped in better understanding of their behavior. |
| first_indexed | 2024-12-21T16:55:16Z |
| format | Article |
| id | doaj.art-9a151e84736a44ebb80cbcc8951575bc |
| institution | Directory Open Access Journal |
| issn | 0970-9290 1998-3603 |
| language | English |
| last_indexed | 2024-12-21T16:55:16Z |
| publishDate | 2016-01-01 |
| publisher | Wolters Kluwer Medknow Publications |
| record_format | Article |
| series | Indian Journal of Dental Research |
| spelling | doaj.art-9a151e84736a44ebb80cbcc8951575bc2022-12-21T18:56:46ZengWolters Kluwer Medknow PublicationsIndian Journal of Dental Research0970-92901998-36032016-01-01271616510.4103/0970-9290.179833Evaluation and comparison of transverse and impact strength of different high strength denture base resinsAbhinav GuptaR K TewariAim: The present study was undertaken to evaluate and compare the impact strength and transverse strength of the high-impact denture base materials. A conventional heat polymerized acrylic resin was used as a control. Materials and Methods: The entire experiment was divided into four main groups with twenty specimens each according to denture base material selected Trevalon, Trevalon Hi, DPI Tuff and Metrocryl Hi. These groups were further subgrouped into the two parameters selected, impact strength and flexural strength with ten specimens each. These specimens were then subjected to transverse bend tests with the help of Lloyds instrument using a three point bend principle. Impact tests were undertaken using an Izod-Charpy digital impact tester. Results: This study was analyzed with one-way analysis of variance using Fisher f-test and Bonferroni t-test. There was a significant improvement in the impact strength of high-impact denture base resins as compared to control (Trevalon). However, in terms of transverse bend tests, only DPI Tuff showed higher transverse strength in comparison to control. Trevalon Hi and Metrocryl Hi showed a decrease in transverse strength. Conclusions: Within the limits of this in vitro study, (1) There is a definite increase in impact strength due to the incorporation of butadiene styrene rubber in this high strength denture base materials as compared to Trevalon used as a control. (2) Further investigations are required to prevent the unduly decrease of transverse strength. (3) It was the limitation of the study that the exact composition of the high-impact resins was not disclosed by the manufacturer that would have helped in better understanding of their behavior.http://www.ijdr.in/article.asp?issn=0970-9290;year=2016;volume=27;issue=1;spage=61;epage=65;aulast=GuptaHigh-impact denture base resinimpact strengthtransverse strength |
| spellingShingle | Abhinav Gupta R K Tewari Evaluation and comparison of transverse and impact strength of different high strength denture base resins Indian Journal of Dental Research High-impact denture base resin impact strength transverse strength |
| title | Evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| title_full | Evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| title_fullStr | Evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| title_full_unstemmed | Evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| title_short | Evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| title_sort | evaluation and comparison of transverse and impact strength of different high strength denture base resins |
| topic | High-impact denture base resin impact strength transverse strength |
| url | http://www.ijdr.in/article.asp?issn=0970-9290;year=2016;volume=27;issue=1;spage=61;epage=65;aulast=Gupta |
| work_keys_str_mv | AT abhinavgupta evaluationandcomparisonoftransverseandimpactstrengthofdifferenthighstrengthdenturebaseresins AT rktewari evaluationandcomparisonoftransverseandimpactstrengthofdifferenthighstrengthdenturebaseresins |