Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques
Background: The acrylic denture base must exhibit minimal water sorption and surface roughness to ensure comfort, aesthetics, oral health, dimensional stability, and strength. This study aimed to compare the surface roughness and water sorption properties of acrylic denture bases fabricated using co...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | fas |
| Published: |
Mashhad University of Medical Sciences
2024-11-01
|
| Series: | Journal of Mashhad Dental School |
| Subjects: | |
| Online Access: | https://jmds.mums.ac.ir/article_25226_a03895dd205a14ca803b3cc14bfb891d.pdf |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1841560430572470272 |
|---|---|
| author | Mina Mohaghegh Elham Ansarifard Fateme Erfanizade Masume Taghva Zahra Pouladi |
| author_facet | Mina Mohaghegh Elham Ansarifard Fateme Erfanizade Masume Taghva Zahra Pouladi |
| author_sort | Mina Mohaghegh |
| collection | DOAJ |
| description | Background: The acrylic denture base must exhibit minimal water sorption and surface roughness to ensure comfort, aesthetics, oral health, dimensional stability, and strength. This study aimed to compare the surface roughness and water sorption properties of acrylic denture bases fabricated using conventional and CAD/CAM techniques.Methods and Materials: In this in-vitro study, a total of 24 specimens were prepared in disk form (21 mm in diameter and 2.5 mm in thickness). Two sample groups were compared (n=12): heat-cured acrylic resins and CAD/CAM milled acrylic resin. Surface roughness values (Ra) were measured using a contact profilometer before and after polishing. Measurements were conducted at three points and an average value was calculated for each sample. For water sorption assessment, samples were first kept in a desiccator for 24 hours and then the dimensional measurements were recorded using a digital caliper. The samples were immersed in physiological serum and incubated at 37°C and weighed daily until reaching a constant weight, followed by desiccation and daily weighing to determine final constant weight. Water sorption was calculated and reported in µg/cm3. The data was analyzed using Independent samples T-test. The significance level was set at P-value≤0.05.Result: The average Ra values were significantly lower in the CAD/CAM group compared to the heat-cured group before and after surface polishing (P<0.001 and P=0.003, respectively). Similarly, CAD/CAM milled samples demonstrated significantly lower water sorption rates compared to heat-cured specimens (P<0.001).Conclusion: The CAD/CAM acrylic dentures exhibited smoother surfaces and lower water sorption rates compared to heat-processed acrylic dentures, making them a more effective choice for denture fabrication. |
| format | Article |
| id | doaj-art-9e45538a779b4bc4ae26ccf46148d83f |
| institution | Kabale University |
| issn | 1560-9286 2008-2347 |
| language | fas |
| publishDate | 2024-11-01 |
| publisher | Mashhad University of Medical Sciences |
| record_format | Article |
| series | Journal of Mashhad Dental School |
| spelling | doaj-art-9e45538a779b4bc4ae26ccf46148d83f2025-01-04T05:44:35ZfasMashhad University of Medical SciencesJournal of Mashhad Dental School1560-92862008-23472024-11-0148497398410.22038/jmds.2024.2522625226Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM TechniquesMina Mohaghegh0Elham Ansarifard1Fateme Erfanizade2Masume Taghva3Zahra Pouladi4Assistant Professor, Biomaterials Research Center, Department of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranAssistant Professor, Biomaterials Research Center, Department of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranStudent Research Committee, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranAssistant Professor, Department of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranPostgraduate Student, Department of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, IranBackground: The acrylic denture base must exhibit minimal water sorption and surface roughness to ensure comfort, aesthetics, oral health, dimensional stability, and strength. This study aimed to compare the surface roughness and water sorption properties of acrylic denture bases fabricated using conventional and CAD/CAM techniques.Methods and Materials: In this in-vitro study, a total of 24 specimens were prepared in disk form (21 mm in diameter and 2.5 mm in thickness). Two sample groups were compared (n=12): heat-cured acrylic resins and CAD/CAM milled acrylic resin. Surface roughness values (Ra) were measured using a contact profilometer before and after polishing. Measurements were conducted at three points and an average value was calculated for each sample. For water sorption assessment, samples were first kept in a desiccator for 24 hours and then the dimensional measurements were recorded using a digital caliper. The samples were immersed in physiological serum and incubated at 37°C and weighed daily until reaching a constant weight, followed by desiccation and daily weighing to determine final constant weight. Water sorption was calculated and reported in µg/cm3. The data was analyzed using Independent samples T-test. The significance level was set at P-value≤0.05.Result: The average Ra values were significantly lower in the CAD/CAM group compared to the heat-cured group before and after surface polishing (P<0.001 and P=0.003, respectively). Similarly, CAD/CAM milled samples demonstrated significantly lower water sorption rates compared to heat-cured specimens (P<0.001).Conclusion: The CAD/CAM acrylic dentures exhibited smoother surfaces and lower water sorption rates compared to heat-processed acrylic dentures, making them a more effective choice for denture fabrication.https://jmds.mums.ac.ir/article_25226_a03895dd205a14ca803b3cc14bfb891d.pdfacrylic resinsdenture basessurface propertiessurface roughnesswater sorption |
| spellingShingle | Mina Mohaghegh Elham Ansarifard Fateme Erfanizade Masume Taghva Zahra Pouladi Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques Journal of Mashhad Dental School acrylic resins denture bases surface properties surface roughness water sorption |
| title | Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques |
| title_full | Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques |
| title_fullStr | Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques |
| title_full_unstemmed | Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques |
| title_short | Comparative Evaluation of Water Sorption and Surface Roughness in Acrylic Denture Bases Fabricated by Conventional and CAD/CAM Techniques |
| title_sort | comparative evaluation of water sorption and surface roughness in acrylic denture bases fabricated by conventional and cad cam techniques |
| topic | acrylic resins denture bases surface properties surface roughness water sorption |
| url | https://jmds.mums.ac.ir/article_25226_a03895dd205a14ca803b3cc14bfb891d.pdf |
| work_keys_str_mv | AT minamohaghegh comparativeevaluationofwatersorptionandsurfaceroughnessinacrylicdenturebasesfabricatedbyconventionalandcadcamtechniques AT elhamansarifard comparativeevaluationofwatersorptionandsurfaceroughnessinacrylicdenturebasesfabricatedbyconventionalandcadcamtechniques AT fatemeerfanizade comparativeevaluationofwatersorptionandsurfaceroughnessinacrylicdenturebasesfabricatedbyconventionalandcadcamtechniques AT masumetaghva comparativeevaluationofwatersorptionandsurfaceroughnessinacrylicdenturebasesfabricatedbyconventionalandcadcamtechniques AT zahrapouladi comparativeevaluationofwatersorptionandsurfaceroughnessinacrylicdenturebasesfabricatedbyconventionalandcadcamtechniques |