Evaluation of the surface roughness of three heat-cured acrylic denture base resins with different conventional lathe polishing techniques: A comparative study
Identifieur interne : 001148 ( Main/Exploration ); précédent : 001147; suivant : 001149Evaluation of the surface roughness of three heat-cured acrylic denture base resins with different conventional lathe polishing techniques: A comparative study
Auteurs : Duggineni Chalapathi Rao [Inde] ; N. Kalavathy [Inde] ; H. S. Mohammad [Inde] ; A. Hariprasad [Inde] ; C. Ravi Kumar [Inde]Source :
- The Journal of the Indian Prosthodontic Society [ 0972-4052 ] ; 2015.
Abstract
Surface roughness promotes adhesion and colonization of denture plaque. Therefore, it is important to know the effects of polishing and finishing on the surface roughness of various acrylic resin materials.
To evaluate and compare the effects of different conventional lathe polishing techniques on heat cured acrylic resins in producing surface roughness.
Three different commercially available heat-cured acrylic resin materials namely DPI, Meliodent and Trevalon Hi were selected. 30 Specimens of each acrylic material (30 x 3 = 90, 10 x 60 x 2mm) were prepared and divided into 5 groups, each group consisted of 6 Nos. of specimens per material(6x3=18) and were grouped as Group A(unfinished), Group B (finished), Group C (Polishing Paste), Group D (Polishing Cake) and Group E (Pumice and Gold rouge). The resulted surface roughness (
Among the materials tested, better results were obtained with Trevalon Hi followed by Meliodent and DPI. Among the polishing methods used, superior results were obtained with universal polishing paste followed by polishing cake; Pumice and Gold rouge. Although Pumice and Gold rouge values produced greater roughness value, they were well within the threshold value of 0.2 mm.
Url:
DOI: 10.4103/0972-4052.164910
PubMed: 26929542
PubMed Central: 4762348
Affiliations:
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Kalavathy</name><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Prosthodontics, DAPMRV Dental College, Bengaluru, Karnataka, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, DAPMRV Dental College, Bengaluru, Karnataka</wicri:regionArea><wicri:noRegion>Karnataka</wicri:noRegion></affiliation></author><author><name sortKey="Mohammad, H S" sort="Mohammad, H S" uniqKey="Mohammad H" first="H. S." last="Mohammad">H. S. Mohammad</name><affiliation wicri:level="1"><nlm:aff id="aff3">Department of Prosthodontics, MR Ambedkar Dental College, Bengaluru, Karnataka, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, MR Ambedkar Dental College, Bengaluru, Karnataka</wicri:regionArea><wicri:noRegion>Karnataka</wicri:noRegion></affiliation></author><author><name sortKey="Hariprasad, A" sort="Hariprasad, A" uniqKey="Hariprasad A" first="A." last="Hariprasad">A. Hariprasad</name><affiliation wicri:level="1"><nlm:aff id="aff3">Department of Prosthodontics, MR Ambedkar Dental College, Bengaluru, Karnataka, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, MR Ambedkar Dental College, Bengaluru, Karnataka</wicri:regionArea><wicri:noRegion>Karnataka</wicri:noRegion></affiliation></author><author><name sortKey="Kumar, C Ravi" sort="Kumar, C Ravi" uniqKey="Kumar C" first="C. Ravi" last="Kumar">C. Ravi Kumar</name><affiliation wicri:level="1"><nlm:aff id="aff1">Department of Prosthodontics, Mamata Dental College, Khammam, Telangana, India</nlm:aff><country xml:lang="fr">Inde</country><wicri:regionArea>Department of Prosthodontics, Mamata Dental College, Khammam, Telangana</wicri:regionArea><wicri:noRegion>Telangana</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of the Indian Prosthodontic Society</title><idno type="ISSN">0972-4052</idno><idno type="eISSN">1998-4057</idno><imprint><date when="2015">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec id="st1"><title>Purpose:</title><p>Surface roughness promotes adhesion and colonization of denture plaque. Therefore, it is important to know the effects of polishing and finishing on the surface roughness of various acrylic resin materials.</p></sec><sec id="st2"><title>Objectives:</title><p>To evaluate and compare the effects of different conventional lathe polishing techniques on heat cured acrylic resins in producing surface roughness.</p></sec><sec id="st3"><title>Materials and Methods:</title><p>Three different commercially available heat-cured acrylic resin materials namely DPI, Meliodent and Trevalon Hi were selected. 30 Specimens of each acrylic material (30 x 3 = 90, 10 x 60 x 2mm) were prepared and divided into 5 groups, each group consisted of 6 Nos. of specimens per material(6x3=18) and were grouped as Group A(unfinished), Group B (finished), Group C (Polishing Paste), Group D (Polishing Cake) and Group E (Pumice and Gold rouge). The resulted surface roughness (<italic>μ</italic>m) was measured using Perthometer and observed under Scanning Electron Microscope. The values obtained were subjected statistical analyses.</p></sec><sec id="st4"><title>Results:</title><p>Among the materials tested, better results were obtained with Trevalon Hi followed by Meliodent and DPI. Among the polishing methods used, superior results were obtained with universal polishing paste followed by polishing cake; Pumice and Gold rouge. Although Pumice and Gold rouge values produced greater roughness value, they were well within the threshold value of 0.2 mm.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Wong, Dm" uniqKey="Wong D">DM Wong</name></author><author><name sortKey="Cheng, Ly" uniqKey="Cheng L">LY Cheng</name></author><author><name sortKey="Chow, Tw" uniqKey="Chow T">TW Chow</name></author><author><name sortKey="Clark, Rk" uniqKey="Clark R">RK Clark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Craig, Rg" uniqKey="Craig R">RG Craig</name></author><author><name sortKey="O Rien, Wj" uniqKey="O Rien W">WJ O’Brien</name></author><author><name sortKey="Powers, Jm" uniqKey="Powers J">JM Powers</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Phoenix, Rd" uniqKey="Phoenix R">RD Phoenix</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="O Rien, Wj" 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Peutzfeldt</name></author><author><name sortKey="Owall, B" uniqKey="Owall B">B Owall</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Inde</li></country></list><tree><country name="Inde"><noRegion><name sortKey="Rao, Duggineni Chalapathi" sort="Rao, Duggineni Chalapathi" uniqKey="Rao D" first="Duggineni Chalapathi" last="Rao">Duggineni Chalapathi Rao</name></noRegion><name sortKey="Hariprasad, A" sort="Hariprasad, A" uniqKey="Hariprasad A" first="A." last="Hariprasad">A. Hariprasad</name><name sortKey="Kalavathy, N" sort="Kalavathy, N" uniqKey="Kalavathy N" first="N." last="Kalavathy">N. Kalavathy</name><name sortKey="Kumar, C Ravi" sort="Kumar, C Ravi" uniqKey="Kumar C" first="C. Ravi" last="Kumar">C. Ravi Kumar</name><name sortKey="Mohammad, H S" sort="Mohammad, H S" uniqKey="Mohammad H" first="H. S." last="Mohammad">H. S. Mohammad</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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