Evaluation of the apical seal produced by injected thermoplasticized gutta-percha in the absence of smear layer and root canal sealer
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The apical seal produced by injected thermoplasticized gutta-percha with and without root canal sealer and smear layer was evaluated by ink penetration. Sixty-four extracted human teeth were divided into eight groups with and without the smear layer removed. They were filled with injected thermoplasticized gutta-percha or lateral condensation using Procosol sealer or with no sealer. The results showed that injected thermoplasticized gutta-percha does not provide an apical seal to ink penetration when used without a root canal sealer, even with the smear layer removed. Sealer was the only significant variable responsible for apical seal when conditions of gutta-percha delivery, smear layer presence or absence, and use or deletion of sealer were evaluated. The use of injected thermplasticized gutta-percha should be accompanied by a sealer whether or not the snear layer has been removed.
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DOI: 10.1016/S0099-2399(86)80299-0
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Evaluation of the apical seal produced by injected thermoplasticized gutta-percha in the absence of smear layer and root canal sealer</title><author><name sortKey="Evans, John T" uniqKey="Evans J">John T. Evans</name><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation><mods:affiliation>Dr. Evans is a former resident in endodontics, Veterans Administration Medical Center, Long Beach, CA, and is in private practice limited to endodontics, Newhall, CA. Dr. Simon is chief, Endodontic Section, Veterans Administration Medical Center, Long Beach, CA, professor of endodontics, Lorma Linda University: Associate Clinical Professor of Endodontics, University of Southern California.</mods:affiliation><wicri:noCountry code="subField">University of Southern California.</wicri:noCountry></affiliation></author><author><name sortKey="Simon, James H S" uniqKey="Simon J">James H.S. Simon</name><affiliation><mods:affiliation></mods:affiliation><wicri:noCountry code="syntax">???</wicri:noCountry></affiliation><affiliation><mods:affiliation>Dr. Evans is a former resident in endodontics, Veterans Administration Medical Center, Long Beach, CA, and is in private practice limited to endodontics, Newhall, CA. Dr. Simon is chief, Endodontic Section, Veterans Administration Medical Center, Long Beach, CA, professor of endodontics, Lorma Linda University: Associate Clinical Professor of Endodontics, University of Southern California.</mods:affiliation><wicri:noCountry code="subField">University of Southern California.</wicri:noCountry></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:F69E1B8FABA288F9A49A58AECA4A7F19035E7AB0</idno><date when="1986">1986</date><idno type="doi">10.1016/S0099-2399(86)80299-0</idno><idno type="url">https://api.istex.fr/document/F69E1B8FABA288F9A49A58AECA4A7F19035E7AB0/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">001420</idno><idno type="wicri:Area/Istex/Curation">001420</idno><idno type="wicri:Area/Istex/Checkpoint">002F16</idno><idno type="MainMerge">002F16</idno><idno type="wicri:Area/Main/Merge">003B82</idno></publicationStmt><seriesStmt><idno type="ISSN">0099-2399</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">The apical seal produced by injected thermoplasticized gutta-percha with and without root canal sealer and smear layer was evaluated by ink penetration. Sixty-four extracted human teeth were divided into eight groups with and without the smear layer removed. They were filled with injected thermoplasticized gutta-percha or lateral condensation using Procosol sealer or with no sealer. The results showed that injected thermoplasticized gutta-percha does not provide an apical seal to ink penetration when used without a root canal sealer, even with the smear layer removed. Sealer was the only significant variable responsible for apical seal when conditions of gutta-percha delivery, smear layer presence or absence, and use or deletion of sealer were evaluated. The use of injected thermplasticized gutta-percha should be accompanied by a sealer whether or not the snear layer has been removed. </div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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