Palatal vault depth influence on the flexural strength of two heat cure acrylic denture base resins: an in vitro study.
Identifieur interne : 000518 ( PubMed/Corpus ); précédent : 000517; suivant : 000519Palatal vault depth influence on the flexural strength of two heat cure acrylic denture base resins: an in vitro study.
Auteurs : B Madan Mohan Reddy ; M. Himabindu ; B Indira Padmaja ; M. Sunil ; N Raja ReddySource :
- The journal of contemporary dental practice [ 1526-3711 ] ; 2013.
English descriptors
- KwdEn :
- Acrylic Resins (chemistry), Cephalometry (methods), Dental Materials (chemistry), Dental Models, Dental Stress Analysis (instrumentation), Denture Bases, Denture Design, Denture, Complete, Upper, Hot Temperature, Humans, Materials Testing, Palate, Pliability, Polymerization, Stress, Mechanical, Surface Properties.
- MESH :
- chemical , chemistry : Acrylic Resins, Dental Materials.
- instrumentation : Dental Stress Analysis.
- methods : Cephalometry.
- Dental Models, Denture Bases, Denture Design, Denture, Complete, Upper, Hot Temperature, Humans, Materials Testing, Palate, Pliability, Polymerization, Stress, Mechanical, Surface Properties.
Abstract
Complete dentures often fracture during normal masticatory function. The reason could be due to the shape of the palate, i.e. deep, medium or shallow palatal vault. This in vitro study was performed to determine the relationship of palatal vault depth and flexural strength of two different permanent denture base resins. Edentulous maxillary casts of patients were collected from the department of prosthodontics, among these the cast with the deepest palatal vault was selected. The specimens were then subjected for flexural strength on universal testing machine. The results revealed that the denture bases fabricated on medium palatal vault depth were best in the flexural strength and denture bases on shallow palatal vault depth faired the least. Among the resins the denture bases fabricated using high impact heat cure resin, were better than the denture bases fabricated using regular heat cure resin. All these results were statistically significant except the results between the regular heat cure denture bases and high impact heat cure denture bases fabricated on the deep palatal vault depth. Also the comparison of fracture energies of denture bases fabricated on deep palatal vault with high impact heat cure resin to denture bases fabricated on medium and shallow palatal vaults with high impact heat cure resin were not significant. It was also observed that all the specimens have fractured in the midline.
PubMed: 24858763
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Palatal vault depth influence on the flexural strength of two heat cure acrylic denture base resins: an in vitro study.</title><author><name sortKey="Reddy, B Madan Mohan" sort="Reddy, B Madan Mohan" uniqKey="Reddy B" first="B Madan Mohan" last="Reddy">B Madan Mohan Reddy</name><affiliation><nlm:affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India, Phone: 09849219556, e-mail: madan75mohan@gmail.com.</nlm:affiliation></affiliation></author><author><name sortKey="Himabindu, M" sort="Himabindu, M" uniqKey="Himabindu M" first="M" last="Himabindu">M. Himabindu</name><affiliation><nlm:affiliation>Senior Lecturer, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Padmaja, B Indira" sort="Padmaja, B Indira" uniqKey="Padmaja B" first="B Indira" last="Padmaja">B Indira Padmaja</name><affiliation><nlm:affiliation>Professor and Head, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Sunil, M" sort="Sunil, M" uniqKey="Sunil M" first="M" last="Sunil">M. Sunil</name><affiliation><nlm:affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Reddy, N Raja" sort="Reddy, N Raja" uniqKey="Reddy N" first="N Raja" last="Reddy">N Raja Reddy</name><affiliation><nlm:affiliation>Reader, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:24858763</idno><idno type="pmid">24858763</idno><idno type="wicri:Area/PubMed/Corpus">000518</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000518</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Palatal vault depth influence on the flexural strength of two heat cure acrylic denture base resins: an in vitro study.</title><author><name sortKey="Reddy, B Madan Mohan" sort="Reddy, B Madan Mohan" uniqKey="Reddy B" first="B Madan Mohan" last="Reddy">B Madan Mohan Reddy</name><affiliation><nlm:affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India, Phone: 09849219556, e-mail: madan75mohan@gmail.com.</nlm:affiliation></affiliation></author><author><name sortKey="Himabindu, M" sort="Himabindu, M" uniqKey="Himabindu M" first="M" last="Himabindu">M. Himabindu</name><affiliation><nlm:affiliation>Senior Lecturer, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Padmaja, B Indira" sort="Padmaja, B Indira" uniqKey="Padmaja B" first="B Indira" last="Padmaja">B Indira Padmaja</name><affiliation><nlm:affiliation>Professor and Head, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Sunil, M" sort="Sunil, M" uniqKey="Sunil M" first="M" last="Sunil">M. Sunil</name><affiliation><nlm:affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</nlm:affiliation></affiliation></author><author><name sortKey="Reddy, N Raja" sort="Reddy, N Raja" uniqKey="Reddy N" first="N Raja" last="Reddy">N Raja Reddy</name><affiliation><nlm:affiliation>Reader, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The journal of contemporary dental practice</title><idno type="eISSN">1526-3711</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylic Resins (chemistry)</term><term>Cephalometry (methods)</term><term>Dental Materials (chemistry)</term><term>Dental Models</term><term>Dental Stress Analysis (instrumentation)</term><term>Denture Bases</term><term>Denture Design</term><term>Denture, Complete, Upper</term><term>Hot Temperature</term><term>Humans</term><term>Materials Testing</term><term>Palate</term><term>Pliability</term><term>Polymerization</term><term>Stress, Mechanical</term><term>Surface Properties</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Acrylic Resins</term><term>Dental Materials</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Dental Stress Analysis</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Cephalometry</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Dental Models</term><term>Denture Bases</term><term>Denture Design</term><term>Denture, Complete, Upper</term><term>Hot Temperature</term><term>Humans</term><term>Materials Testing</term><term>Palate</term><term>Pliability</term><term>Polymerization</term><term>Stress, Mechanical</term><term>Surface Properties</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Complete dentures often fracture during normal masticatory function. The reason could be due to the shape of the palate, i.e. deep, medium or shallow palatal vault. This in vitro study was performed to determine the relationship of palatal vault depth and flexural strength of two different permanent denture base resins. Edentulous maxillary casts of patients were collected from the department of prosthodontics, among these the cast with the deepest palatal vault was selected. The specimens were then subjected for flexural strength on universal testing machine. The results revealed that the denture bases fabricated on medium palatal vault depth were best in the flexural strength and denture bases on shallow palatal vault depth faired the least. Among the resins the denture bases fabricated using high impact heat cure resin, were better than the denture bases fabricated using regular heat cure resin. All these results were statistically significant except the results between the regular heat cure denture bases and high impact heat cure denture bases fabricated on the deep palatal vault depth. Also the comparison of fracture energies of denture bases fabricated on deep palatal vault with high impact heat cure resin to denture bases fabricated on medium and shallow palatal vaults with high impact heat cure resin were not significant. It was also observed that all the specimens have fractured in the midline.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24858763</PMID><DateCompleted><Year>2015</Year><Month>10</Month><Day>26</Day></DateCompleted><DateRevised><Year>2014</Year><Month>05</Month><Day>26</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1526-3711</ISSN><JournalIssue CitedMedium="Internet"><Volume>14</Volume><Issue>6</Issue><PubDate><Year>2013</Year><Month>Nov</Month><Day>01</Day></PubDate></JournalIssue><Title>The journal of contemporary dental practice</Title><ISOAbbreviation>J Contemp Dent Pract</ISOAbbreviation></Journal><ArticleTitle>Palatal vault depth influence on the flexural strength of two heat cure acrylic denture base resins: an in vitro study.</ArticleTitle><Pagination><MedlinePgn>1131-6</MedlinePgn></Pagination><Abstract><AbstractText Label="UNLABELLED">Complete dentures often fracture during normal masticatory function. The reason could be due to the shape of the palate, i.e. deep, medium or shallow palatal vault. This in vitro study was performed to determine the relationship of palatal vault depth and flexural strength of two different permanent denture base resins. Edentulous maxillary casts of patients were collected from the department of prosthodontics, among these the cast with the deepest palatal vault was selected. The specimens were then subjected for flexural strength on universal testing machine. The results revealed that the denture bases fabricated on medium palatal vault depth were best in the flexural strength and denture bases on shallow palatal vault depth faired the least. Among the resins the denture bases fabricated using high impact heat cure resin, were better than the denture bases fabricated using regular heat cure resin. All these results were statistically significant except the results between the regular heat cure denture bases and high impact heat cure denture bases fabricated on the deep palatal vault depth. Also the comparison of fracture energies of denture bases fabricated on deep palatal vault with high impact heat cure resin to denture bases fabricated on medium and shallow palatal vaults with high impact heat cure resin were not significant. It was also observed that all the specimens have fractured in the midline.</AbstractText><AbstractText Label="CLINICAL IMPLICATIONS" NlmCategory="CONCLUSIONS">Palatal vault depth significantly affected the flexural strength of heat cure resin. The most frequent mechanical failure of heat cure resin is fracture especially at the midline. The denture bases fabricated using high impact heat cure resin had best flexural strength than the denture bases fabricated using regular heat cure resin which reduced the fractures.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Reddy</LastName><ForeName>B Madan Mohan</ForeName><Initials>BM</Initials><AffiliationInfo><Affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India, Phone: 09849219556, e-mail: madan75mohan@gmail.com.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Himabindu</LastName><ForeName>M</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Senior Lecturer, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Padmaja</LastName><ForeName>B Indira</ForeName><Initials>BI</Initials><AffiliationInfo><Affiliation>Professor and Head, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi Andhra Pradesh, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Sunil</LastName><ForeName>M</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Professor, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh, India.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Reddy</LastName><ForeName>N Raja</ForeName><Initials>NR</Initials><AffiliationInfo><Affiliation>Reader, Department of Prosthodontics, CKS Theja Institute of Dental Sciences and Research, Renigunta Road, Tirupathi, Andhra Pradesh India.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>11</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>India</Country><MedlineTA>J Contemp Dent Pract</MedlineTA><NlmUniqueID>101090552</NlmUniqueID><ISSNLinking>1526-3711</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000180">Acrylic Resins</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D003764">Dental Materials</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000180" MajorTopicYN="N">Acrylic Resins</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002508" MajorTopicYN="N">Cephalometry</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003764" MajorTopicYN="N">Dental Materials</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003765" MajorTopicYN="N">Dental Models</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003799" MajorTopicYN="N">Dental Stress Analysis</DescriptorName><QualifierName UI="Q000295" MajorTopicYN="N">instrumentation</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003819" MajorTopicYN="Y">Denture Bases</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003779" MajorTopicYN="Y">Denture Design</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003827" MajorTopicYN="Y">Denture, Complete, Upper</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006358" MajorTopicYN="N">Hot 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