The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin
Abstract Background The second rule of the 4Rs concept (Reduce, Reuse, Recycle, and Recover) was applied in this study using recycled acrylic resin to improve the hardness and study the effect of aging on the hardness of heat cured denture base resins. Method Forty heat‐cured acrylic resin samples w...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2024-02-01
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| Series: | Clinical and Experimental Dental Research |
| Subjects: | |
| Online Access: | https://doi.org/10.1002/cre2.828 |
| _version_ | 1797316364728270848 |
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| author | Amrah Y. AL‐Jmmal Nada Z. Mohammed Hala M. AL‐kateb |
| author_facet | Amrah Y. AL‐Jmmal Nada Z. Mohammed Hala M. AL‐kateb |
| author_sort | Amrah Y. AL‐Jmmal |
| collection | DOAJ |
| description | Abstract Background The second rule of the 4Rs concept (Reduce, Reuse, Recycle, and Recover) was applied in this study using recycled acrylic resin to improve the hardness and study the effect of aging on the hardness of heat cured denture base resins. Method Forty heat‐cured acrylic resin samples were prepared and divided into control and modified groups. The hardness was tested using a type D durometer hardness tester for evaluating the effect of the thermal aging process on the hardness in the control and modified groups. The samples were either subjected to thermal aging (the specimens thermo‐cycled 10 cycles per day between 55°C and 5°C with a 30‐s dwell time) or were not. Results The mean difference in hardness between specimens with and without aging in the modified group increased with increasing concentrations of incorporated recycled acrylic resin. Independent samples t test revealed that the hardness values of modified groups with aging were significantly higher than in those without aging (p ≤ 0.05). ANOVA revealed that the modified group revealed a significant increase in hardness than that of the control group (p ≤ 0.05). Conclusions Recycling and reuse of acrylic resins improved the hardness of denture base resins. The aging period significantly affected the hardness values of the control and modified groups. |
| first_indexed | 2024-03-08T03:17:19Z |
| format | Article |
| id | doaj.art-013f30298a6c437da243cdd09fda0ae9 |
| institution | Directory Open Access Journal |
| issn | 2057-4347 |
| language | English |
| last_indexed | 2024-03-08T03:17:19Z |
| publishDate | 2024-02-01 |
| publisher | Wiley |
| record_format | Article |
| series | Clinical and Experimental Dental Research |
| spelling | doaj.art-013f30298a6c437da243cdd09fda0ae92024-02-12T14:56:39ZengWileyClinical and Experimental Dental Research2057-43472024-02-01101n/an/a10.1002/cre2.828The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resinAmrah Y. AL‐Jmmal0Nada Z. Mohammed1Hala M. AL‐kateb2Department of Prosthetic Dentistry University of Mosul Mosul IraqDepartment of Prosthetic Dentistry University of Mosul Mosul IraqDepartment of Prosthetic Dentistry University of Mosul Mosul IraqAbstract Background The second rule of the 4Rs concept (Reduce, Reuse, Recycle, and Recover) was applied in this study using recycled acrylic resin to improve the hardness and study the effect of aging on the hardness of heat cured denture base resins. Method Forty heat‐cured acrylic resin samples were prepared and divided into control and modified groups. The hardness was tested using a type D durometer hardness tester for evaluating the effect of the thermal aging process on the hardness in the control and modified groups. The samples were either subjected to thermal aging (the specimens thermo‐cycled 10 cycles per day between 55°C and 5°C with a 30‐s dwell time) or were not. Results The mean difference in hardness between specimens with and without aging in the modified group increased with increasing concentrations of incorporated recycled acrylic resin. Independent samples t test revealed that the hardness values of modified groups with aging were significantly higher than in those without aging (p ≤ 0.05). ANOVA revealed that the modified group revealed a significant increase in hardness than that of the control group (p ≤ 0.05). Conclusions Recycling and reuse of acrylic resins improved the hardness of denture base resins. The aging period significantly affected the hardness values of the control and modified groups.https://doi.org/10.1002/cre2.828hardnessheat cured resinrecycled acrylic resin |
| spellingShingle | Amrah Y. AL‐Jmmal Nada Z. Mohammed Hala M. AL‐kateb The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin Clinical and Experimental Dental Research hardness heat cured resin recycled acrylic resin |
| title | The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| title_full | The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| title_fullStr | The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| title_full_unstemmed | The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| title_short | The effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| title_sort | effect of aging on hardness of heat cured denture base resin modified with recycled acrylic resin |
| topic | hardness heat cured resin recycled acrylic resin |
| url | https://doi.org/10.1002/cre2.828 |
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