Accuracy of different types of computer-aided design/computer-aided manufacturing surgical guides for dental implant placement
Identifieur interne : 000210 ( Pmc/Curation ); précédent : 000209; suivant : 000211Accuracy of different types of computer-aided design/computer-aided manufacturing surgical guides for dental implant placement
Auteurs : Wei Geng [République populaire de Chine] ; Changying Liu [République populaire de Chine] ; Yucheng Su [République populaire de Chine] ; Jun Li [République populaire de Chine] ; Yanmin Zhou [République populaire de Chine]Source :
- International Journal of Clinical and Experimental Medicine [ 1940-5901 ] ; 2015.
Abstract
Purpose: To evaluate the clinical outcomes of implants placed using different types of computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides, including partially guided and totally guided templates, and determine the accuracy of these guides Materials and methods: In total, 111 implants were placed in 24 patients using CAD/CAM surgical guides. After implant insertion, the positions and angulations of the placed implants relative to those of the planned ones were determined using special software that matched pre- and postoperative computed tomography (CT) images, and deviations were calculated and compared between the different guides and templates. Results: The mean angular deviations were 1.72 ± 1.67 and 2.71 ± 2.58, the mean deviations in position at the neck were 0.27 ± 0.24 and 0.69 ± 0.66 mm, the mean deviations in position at the apex were 0.37 ± 0.35 and 0.94 ± 0.75 mm, and the mean depth deviations were 0.32 ± 0.32 and 0.51 ± 0.48 mm with tooth- and mucosa-supported stereolithographic guides, respectively (P < .05 for all). The mean distance deviations when partially guided (29 implants) and totally guided templates (30 implants) were used were 0.54 ± 0.50 mm and 0.89 ± 0.78 mm, respectively, at the neck and 1.10 ± 0.85 mm and 0.81 ± 0.64 mm, respectively, at the apex, with corresponding mean angular deviations of 2.56 ± 2.23° and 2.90 ± 3.0° (P > .05 for all). Conclusions: Tooth-supported surgical guides may be more accurate than mucosa-supported guides, while both partially and totally guided templates can simplify surgery and aid in optimal implant placement.
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PubMed: 26309497
PubMed Central: 4538014
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<front><div type="abstract" xml:lang="en"><p>Purpose: To evaluate the clinical outcomes of implants placed using different types of computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides, including partially guided and totally guided templates, and determine the accuracy of these guides Materials and methods: In total, 111 implants were placed in 24 patients using CAD/CAM surgical guides. After implant insertion, the positions and angulations of the placed implants relative to those of the planned ones were determined using special software that matched pre- and postoperative computed tomography (CT) images, and deviations were calculated and compared between the different guides and templates. Results: The mean angular deviations were 1.72 ± 1.67 and 2.71 ± 2.58, the mean deviations in position at the neck were 0.27 ± 0.24 and 0.69 ± 0.66 mm, the mean deviations in position at the apex were 0.37 ± 0.35 and 0.94 ± 0.75 mm, and the mean depth deviations were 0.32 ± 0.32 and 0.51 ± 0.48 mm with tooth- and mucosa-supported stereolithographic guides, respectively (P < .05 for all). The mean distance deviations when partially guided (29 implants) and totally guided templates (30 implants) were used were 0.54 ± 0.50 mm and 0.89 ± 0.78 mm, respectively, at the neck and 1.10 ± 0.85 mm and 0.81 ± 0.64 mm, respectively, at the apex, with corresponding mean angular deviations of 2.56 ± 2.23° and 2.90 ± 3.0° (P > .05 for all). Conclusions: Tooth-supported surgical guides may be more accurate than mucosa-supported guides, while both partially and totally guided templates can simplify surgery and aid in optimal implant placement.</p>
</div>
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<pmc article-type="research-article"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
<front><journal-meta><journal-id journal-id-type="nlm-ta">Int J Clin Exp Med</journal-id>
<journal-id journal-id-type="iso-abbrev">Int J Clin Exp Med</journal-id>
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<article-id pub-id-type="pmc">4538014</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Original Article</subject>
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<title-group><article-title>Accuracy of different types of computer-aided design/computer-aided manufacturing surgical guides for dental implant placement</article-title>
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<contrib-group><contrib contrib-type="author"><name><surname>Geng</surname>
<given-names>Wei</given-names>
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<xref ref-type="aff" rid="au1">1</xref>
<xref ref-type="aff" rid="au2">2</xref>
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<contrib contrib-type="author"><name><surname>Liu</surname>
<given-names>Changying</given-names>
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<xref ref-type="aff" rid="au2">2</xref>
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<contrib contrib-type="author"><name><surname>Su</surname>
<given-names>Yucheng</given-names>
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<xref ref-type="aff" rid="au3">3</xref>
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<contrib contrib-type="author"><name><surname>Li</surname>
<given-names>Jun</given-names>
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<xref ref-type="aff" rid="au2">2</xref>
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<contrib contrib-type="author"><name><surname>Zhou</surname>
<given-names>Yanmin</given-names>
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<aff id="au1"><label>1</label>
<institution>Department of Dental Implantology Centre, Stomatology Hospital of Jilin University</institution>
<addr-line>Changchun 130021, Jilin Province, China</addr-line>
</aff>
<aff id="au2"><label>2</label>
<institution>Department of Dental Implantology Centre, School of Stomatology, Capital Medical University</institution>
<addr-line>Beijing 100050, China</addr-line>
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<aff id="au3"><label>3</label>
<institution>Department of Dental Implantology of Peking Union Medical College Hospital</institution>
<addr-line>Beijing 100032, China</addr-line>
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<author-notes><corresp><bold>Address correspondence to:</bold>
Dr. Yanmin Zhou, Department of Dental Implantology Centre, Stomatology Hospital of Jilin University, Changchun 130021, Jilin Province, China. Tel: 86-431-88796025; Fax: 86-431-88975348; E-mail: <email>dentistzhouym@126.com</email>
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<pub-date pub-type="collection"><year>2015</year>
</pub-date>
<pub-date pub-type="epub"><day>15</day>
<month>6</month>
<year>2015</year>
</pub-date>
<volume>8</volume>
<issue>6</issue>
<fpage>8442</fpage>
<lpage>8449</lpage>
<history><date date-type="received"><day>14</day>
<month>3</month>
<year>2015</year>
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<date date-type="accepted"><day>20</day>
<month>5</month>
<year>2015</year>
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<permissions><copyright-statement>IJCEM Copyright © 2015</copyright-statement>
<copyright-year>2015</copyright-year>
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<abstract><p>Purpose: To evaluate the clinical outcomes of implants placed using different types of computer-aided design/computer-aided manufacturing (CAD/CAM) surgical guides, including partially guided and totally guided templates, and determine the accuracy of these guides Materials and methods: In total, 111 implants were placed in 24 patients using CAD/CAM surgical guides. After implant insertion, the positions and angulations of the placed implants relative to those of the planned ones were determined using special software that matched pre- and postoperative computed tomography (CT) images, and deviations were calculated and compared between the different guides and templates. Results: The mean angular deviations were 1.72 ± 1.67 and 2.71 ± 2.58, the mean deviations in position at the neck were 0.27 ± 0.24 and 0.69 ± 0.66 mm, the mean deviations in position at the apex were 0.37 ± 0.35 and 0.94 ± 0.75 mm, and the mean depth deviations were 0.32 ± 0.32 and 0.51 ± 0.48 mm with tooth- and mucosa-supported stereolithographic guides, respectively (P < .05 for all). The mean distance deviations when partially guided (29 implants) and totally guided templates (30 implants) were used were 0.54 ± 0.50 mm and 0.89 ± 0.78 mm, respectively, at the neck and 1.10 ± 0.85 mm and 0.81 ± 0.64 mm, respectively, at the apex, with corresponding mean angular deviations of 2.56 ± 2.23° and 2.90 ± 3.0° (P > .05 for all). Conclusions: Tooth-supported surgical guides may be more accurate than mucosa-supported guides, while both partially and totally guided templates can simplify surgery and aid in optimal implant placement.</p>
</abstract>
<kwd-group><kwd>Dental implant</kwd>
<kwd>surgical guide</kwd>
<kwd>computer-aided design/computer-aided manufacturing</kwd>
<kwd>osseointegration</kwd>
<kwd>tooth-supported guide</kwd>
<kwd>mucosa-supported guide</kwd>
</kwd-group>
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</front>
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