Changes in soft-tissue profile following extraction and complete denture treatment
Identifieur interne : 006913 ( Istex/Corpus ); précédent : 006912; suivant : 006914Changes in soft-tissue profile following extraction and complete denture treatment
Auteurs : Yahia H. IsmailSource :
- The Journal of Prosthetic Dentistry [ 0022-3913 ] ; 1971.
English descriptors
- KwdEn :
- Amer, Angle orthodont, Anterior teeth, Cephalometric, Complete maxillary, Definite changes, Denture, Different points, Extraction, Face height, Gradual reduction, Horizontal distances, Horizontal measurements, Horizontal plane, Horizontal points, Inferior point, Insertion, Ismail, Ismail july, Lower lips, Mandible, Mandibular dentures, Occlusal, Occlusal position, Occlusion, Optic plane, Orthodont, Other hand, Perpendicular, Perpendicular distances, Physiographic cinematography, Posterior point, Prominent point, Prosthetic treatment, Reference planes, Reference points, Rest face height, Rest face heights, Rest position, Significant changes, Significant differences, Soft tissue, Superior point, Total measurements, Vertical measurements.
- Teeft :
- Amer, Angle orthodont, Anterior teeth, Cephalometric, Complete maxillary, Definite changes, Denture, Different points, Extraction, Face height, Gradual reduction, Horizontal distances, Horizontal measurements, Horizontal plane, Horizontal points, Inferior point, Insertion, Ismail, Ismail july, Lower lips, Mandible, Mandibular dentures, Occlusal, Occlusal position, Occlusion, Optic plane, Orthodont, Other hand, Perpendicular, Perpendicular distances, Physiographic cinematography, Posterior point, Prominent point, Prosthetic treatment, Reference planes, Reference points, Rest face height, Rest face heights, Rest position, Significant changes, Significant differences, Soft tissue, Superior point, Total measurements, Vertical measurements.
Abstract
Abstract: A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.1.The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.2.Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.3.The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.4.Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.5.After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.
Url:
DOI: 10.1016/0022-3913(71)90024-2
Links to Exploration step
ISTEX:D3B53A0414990EA58F4715591BF1E843870E49A7Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Changes in soft-tissue profile following extraction and complete denture treatment</title><author><name sortKey="Ismail, Yahia H" sort="Ismail, Yahia H" uniqKey="Ismail Y" first="Yahia H." last="Ismail">Yahia H. Ismail</name><affiliation><mods:affiliation>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:D3B53A0414990EA58F4715591BF1E843870E49A7</idno><date when="1971" year="1971">1971</date><idno type="doi">10.1016/0022-3913(71)90024-2</idno><idno type="url">https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">006913</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">006913</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Changes in soft-tissue profile following extraction and complete denture treatment</title><author><name sortKey="Ismail, Yahia H" sort="Ismail, Yahia H" uniqKey="Ismail Y" first="Yahia H." last="Ismail">Yahia H. Ismail</name><affiliation><mods:affiliation>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">The Journal of Prosthetic Dentistry</title><title level="j" type="abbrev">YMPR</title><idno type="ISSN">0022-3913</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1971">1971</date><biblScope unit="volume">26</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="11">11</biblScope><biblScope unit="page" to="20">20</biblScope></imprint><idno type="ISSN">0022-3913</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-3913</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amer</term><term>Angle orthodont</term><term>Anterior teeth</term><term>Cephalometric</term><term>Complete maxillary</term><term>Definite changes</term><term>Denture</term><term>Different points</term><term>Extraction</term><term>Face height</term><term>Gradual reduction</term><term>Horizontal distances</term><term>Horizontal measurements</term><term>Horizontal plane</term><term>Horizontal points</term><term>Inferior point</term><term>Insertion</term><term>Ismail</term><term>Ismail july</term><term>Lower lips</term><term>Mandible</term><term>Mandibular dentures</term><term>Occlusal</term><term>Occlusal position</term><term>Occlusion</term><term>Optic plane</term><term>Orthodont</term><term>Other hand</term><term>Perpendicular</term><term>Perpendicular distances</term><term>Physiographic cinematography</term><term>Posterior point</term><term>Prominent point</term><term>Prosthetic treatment</term><term>Reference planes</term><term>Reference points</term><term>Rest face height</term><term>Rest face heights</term><term>Rest position</term><term>Significant changes</term><term>Significant differences</term><term>Soft tissue</term><term>Superior point</term><term>Total measurements</term><term>Vertical measurements</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Amer</term><term>Angle orthodont</term><term>Anterior teeth</term><term>Cephalometric</term><term>Complete maxillary</term><term>Definite changes</term><term>Denture</term><term>Different points</term><term>Extraction</term><term>Face height</term><term>Gradual reduction</term><term>Horizontal distances</term><term>Horizontal measurements</term><term>Horizontal plane</term><term>Horizontal points</term><term>Inferior point</term><term>Insertion</term><term>Ismail</term><term>Ismail july</term><term>Lower lips</term><term>Mandible</term><term>Mandibular dentures</term><term>Occlusal</term><term>Occlusal position</term><term>Occlusion</term><term>Optic plane</term><term>Orthodont</term><term>Other hand</term><term>Perpendicular</term><term>Perpendicular distances</term><term>Physiographic cinematography</term><term>Posterior point</term><term>Prominent point</term><term>Prosthetic treatment</term><term>Reference planes</term><term>Reference points</term><term>Rest face height</term><term>Rest face heights</term><term>Rest position</term><term>Significant changes</term><term>Significant differences</term><term>Soft tissue</term><term>Superior point</term><term>Total measurements</term><term>Vertical measurements</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.1.The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.2.Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.3.The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.4.Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.5.After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>denture</json:string><json:string>rest position</json:string><json:string>orthodont</json:string><json:string>cephalometric</json:string><json:string>insertion</json:string><json:string>occlusal</json:string><json:string>mandible</json:string><json:string>face height</json:string><json:string>horizontal measurements</json:string><json:string>amer</json:string><json:string>ismail</json:string><json:string>lower lips</json:string><json:string>vertical measurements</json:string><json:string>significant differences</json:string><json:string>optic plane</json:string><json:string>other hand</json:string><json:string>anterior teeth</json:string><json:string>reference points</json:string><json:string>reference planes</json:string><json:string>significant changes</json:string><json:string>rest face height</json:string><json:string>rest face heights</json:string><json:string>occlusion</json:string><json:string>extraction</json:string><json:string>definite changes</json:string><json:string>different points</json:string><json:string>perpendicular distances</json:string><json:string>angle orthodont</json:string><json:string>occlusal position</json:string><json:string>superior point</json:string><json:string>inferior point</json:string><json:string>prominent point</json:string><json:string>ismail july</json:string><json:string>total measurements</json:string><json:string>horizontal plane</json:string><json:string>prosthetic treatment</json:string><json:string>horizontal distances</json:string><json:string>horizontal points</json:string><json:string>mandibular dentures</json:string><json:string>gradual reduction</json:string><json:string>physiographic cinematography</json:string><json:string>complete maxillary</json:string><json:string>soft tissue</json:string><json:string>posterior point</json:string><json:string>perpendicular</json:string></teeft></keywords><author><json:item><name>Yahia H. Ismail D.D.S., M.S.</name><affiliations><json:string>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Complete dentures</value></json:item></subject><articleId><json:string>71900242</json:string></articleId><arkIstex>ark:/67375/6H6-RT1932RV-T</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Abstract: A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.1.The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.2.Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.3.The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.4.Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.5.After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.</abstract><qualityIndicators><refBibsNative>true</refBibsNative><abstractWordCount>238</abstractWordCount><abstractCharCount>1577</abstractCharCount><keywordCount>1</keywordCount><score>6.736</score><pdfWordCount>1880</pdfWordCount><pdfCharCount>15527</pdfCharCount><pdfVersion>1.3</pdfVersion><pdfPageCount>10</pdfPageCount><pdfPageSize>468 x 684 pts</pdfPageSize></qualityIndicators><title>Changes in soft-tissue profile following extraction and complete denture treatment</title><pmid><json:string>5281469</json:string></pmid><pii><json:string>0022-3913(71)90024-2</json:string></pii><genre><json:string>research-article</json:string></genre><host><title>The Journal of Prosthetic Dentistry</title><language><json:string>unknown</json:string></language><publicationDate>1971</publicationDate><issn><json:string>0022-3913</json:string></issn><pii><json:string>S0022-3913(71)X8008-7</json:string></pii><volume>26</volume><issue>1</issue><pages><first>11</first><last>20</last></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>1971</json:string></date><geogName></geogName><orgName><json:string>Department of Prosthodontics</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>Ismail Table</json:string><json:string>Ismail Fig</json:string></persName><placeName></placeName><ref_url></ref_url><ref_bibl></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/6H6-RT1932RV-T</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - dentistry, oral surgery & medicine</json:string></wos><scienceMetrix><json:string>1 - health sciences</json:string><json:string>2 - clinical medicine</json:string><json:string>3 - dentistry</json:string></scienceMetrix><scopus><json:string>1 - Health Sciences</json:string><json:string>2 - Dentistry</json:string><json:string>3 - Oral Surgery</json:string></scopus><inist><json:string>1 - sciences appliquees, technologies et medecines</json:string><json:string>2 - sciences biologiques et medicales</json:string><json:string>3 - sciences medicales</json:string></inist></categories><publicationDate>1971</publicationDate><copyrightDate>1971</copyrightDate><doi><json:string>10.1016/0022-3913(71)90024-2</json:string></doi><id>D3B53A0414990EA58F4715591BF1E843870E49A7</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Changes in soft-tissue profile following extraction and complete denture treatment</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©1971 The C. V. Mosby Company</p></availability><date>1971</date></publicationStmt><notesStmt><note>Presented at the IADR meeting in Houston, Texas.</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Changes in soft-tissue profile following extraction and complete denture treatment</title><author xml:id="author-0000"><persName><forename type="first">Yahia H.</forename><surname>Ismail</surname></persName><roleName type="degree">D.D.S., M.S.</roleName><note type="biography">Associate Professor, Department of Prosthodontics.</note><affiliation>Associate Professor, Department of Prosthodontics.</affiliation><affiliation>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</affiliation></author><idno type="istex">D3B53A0414990EA58F4715591BF1E843870E49A7</idno><idno type="DOI">10.1016/0022-3913(71)90024-2</idno><idno type="PII">0022-3913(71)90024-2</idno><idno type="ArticleID">71900242</idno></analytic><monogr><title level="j">The Journal of Prosthetic Dentistry</title><title level="j" type="abbrev">YMPR</title><idno type="pISSN">0022-3913</idno><idno type="PII">S0022-3913(71)X8008-7</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1971"></date><biblScope unit="volume">26</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="11">11</biblScope><biblScope unit="page" to="20">20</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1971</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Abstract: A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.1.The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.2.Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.3.The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.4.Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.5.After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.</p></abstract><textClass><keywords scheme="keyword"><list><head>article-category</head><item><term>Complete dentures</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1971">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier doc found" wicri:toSee="Elsevier, no converted or simple article"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 5.0.1//EN//XML" URI="art501.dtd" name="istex:docType"></istex:docType><istex:document><article version="5.0" xml:lang="en" docsubtype="fla"><item-info><jid>YMPR</jid><aid>71900242</aid><ce:pii>0022-3913(71)90024-2</ce:pii><ce:doi>10.1016/0022-3913(71)90024-2</ce:doi><ce:copyright type="unknown" year="1971">The C. V. Mosby Company</ce:copyright><ce:doctopics><ce:doctopic><ce:text>Complete dentures</ce:text></ce:doctopic></ce:doctopics></item-info><head><ce:article-footnote><ce:note-para>Presented at the IADR meeting in Houston, Texas.</ce:note-para></ce:article-footnote><ce:title>Changes in soft-tissue profile following extraction and complete denture treatment</ce:title><ce:author-group><ce:author><ce:given-name>Yahia H.</ce:given-name><ce:surname>Ismail</ce:surname><ce:degrees>D.D.S., M.S.</ce:degrees><ce:cross-ref refid="fn1"><ce:sup>*</ce:sup></ce:cross-ref><ce:cross-ref refid="fn2"><ce:sup>1</ce:sup></ce:cross-ref></ce:author><ce:affiliation><ce:textfn>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</ce:textfn></ce:affiliation><ce:footnote id="fn1"><ce:label>*</ce:label><ce:note-para>Associate Professor, Department of Prosthodontics.</ce:note-para></ce:footnote><ce:footnote id="fn2"><ce:label>1</ce:label><ce:note-para>University of Pittsburgh School of Dental Medicine Department of Prosthodontics Pittsburgh, Pa. 15213.</ce:note-para></ce:footnote></ce:author-group><ce:abstract id="ab1" class="author" xml:lang="en"><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.<ce:list><ce:list-item><ce:label>1.</ce:label><ce:para>The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.</ce:para></ce:list-item><ce:list-item><ce:label>2.</ce:label><ce:para>Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.</ce:para></ce:list-item><ce:list-item><ce:label>3.</ce:label><ce:para>The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.</ce:para></ce:list-item><ce:list-item><ce:label>4.</ce:label><ce:para>Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.</ce:para></ce:list-item><ce:list-item><ce:label>5.</ce:label><ce:para>After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.</ce:para></ce:list-item></ce:list></ce:simple-para></ce:abstract-sec></ce:abstract></head><tail><ce:bibliography><ce:section-title>References</ce:section-title><ce:bibliography-sec><ce:bib-reference id="bib1"><ce:label>1.</ce:label><sb:reference><sb:contribution><sb:authors><sb:author><ce:surname>Sassouni</ce:surname><ce:given-name>V.</ce:given-name></sb:author></sb:authors><sb:title><sb:maintitle>Palatoprints, Physioprints and Roentgenographic Cephalometry as New Methods in Human Identification</sb:maintitle></sb:title></sb:contribution><sb:host><sb:issue><sb:series><sb:title><sb:maintitle>J. 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Dent.</sb:maintitle></sb:title><sb:volume-nr>19</sb:volume-nr></sb:series><sb:date>1968</sb:date></sb:issue><sb:pages><sb:first-page>321</sb:first-page><sb:last-page>330</sb:last-page></sb:pages></sb:host></sb:reference></ce:bib-reference></ce:bibliography-sec></ce:bibliography></tail></article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Changes in soft-tissue profile following extraction and complete denture treatment</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Changes in soft-tissue profile following extraction and complete denture treatment</title></titleInfo><name type="personal"><namePart type="given">Yahia H.</namePart><namePart type="family">Ismail</namePart><namePart type="termsOfAddress">D.D.S., M.S.</namePart><affiliation>School of Dental Medicine, University of Pittsburgh, Pittsburgh, Pa., USA</affiliation><description>Associate Professor, Department of Prosthodontics.</description><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1971</dateIssued><copyrightDate encoding="w3cdtf">1971</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: A longitudinal cephalometric radiographic investigation was designed to study the changes occurring in the soft-tissue profile of the lips in twelve subjects following extraction of all remaining teeth and complete denture therapy. Eight soft-tissue points on the contour of the upper and lower lips were selected for measuring the changes at four phases of the study. Measurements were made from these points perpendicular to two planes of reference—the optic plane and the vertical PNS plane.1.The cephalometric technique used for measuring and analyzing the changes in the soft-tissue contour of the lips utilized direct measurements from the soft-tissue points perpendicular to two reference planes. This technique was found to be simple, accurate, and appropriate for this purpose.2.Following extraction of the teeth there was a dramatic change in the contour of the lips. This was due to the loss of support by the teeth and reduction of rest face height.3.The complete maxillary and mandibular dentures provided adequate support for the contour of the upper lip approximating the pre-extraction contour.4.Measurements for the lower lip showed significant changes in the contour, at the four phases, with the teeth in occlusion and in rest position. These changes were closely associated with the changes occurring in face height.5.After twelve months of wearing complete dentures, there occurred a gradual reduction in both vertical and horizontal dimensions of the contour of the lips due to the positional changes of the dentures over the supporting tissues.</abstract><note>Presented at the IADR meeting in Houston, Texas.</note><subject><genre>article-category</genre><topic>Complete dentures</topic></subject><relatedItem type="host"><titleInfo><title>The Journal of Prosthetic Dentistry</title></titleInfo><titleInfo type="abbreviated"><title>YMPR</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">197107</dateIssued></originInfo><identifier type="ISSN">0022-3913</identifier><identifier type="PII">S0022-3913(71)X8008-7</identifier><part><date>197107</date><detail type="volume"><number>26</number><caption>vol.</caption></detail><detail type="issue"><number>1</number><caption>no.</caption></detail><extent unit="issue-pages"><start>A9</start></extent><extent unit="issue-pages"><start>1</start><end>106</end></extent><extent unit="issue-pages"><start>A32</start></extent><extent unit="pages"><start>11</start><end>20</end></extent></part></relatedItem><identifier type="istex">D3B53A0414990EA58F4715591BF1E843870E49A7</identifier><identifier type="ark">ark:/67375/6H6-RT1932RV-T</identifier><identifier type="DOI">10.1016/0022-3913(71)90024-2</identifier><identifier type="PII">0022-3913(71)90024-2</identifier><identifier type="ArticleID">71900242</identifier><accessCondition type="use and reproduction" contentType="copyright">©1971 The C. V. Mosby Company</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-HKKZVM7B-M">elsevier</recordContentSource><recordOrigin>The C. V. Mosby Company, ©1971</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/D3B53A0414990EA58F4715591BF1E843870E49A7/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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