Effect of impression coping and implant angulation on the accuracy of implant impressions: an in vitro study
Identifieur interne : 003415 ( Ncbi/Checkpoint ); précédent : 003414; suivant : 003416Effect of impression coping and implant angulation on the accuracy of implant impressions: an in vitro study
Auteurs : Si-Hoon Jo [Corée du Sud] ; Kyoung-Il Kim [Corée du Sud] ; Jae-Min Seo [Corée du Sud] ; Kwang-Yeob Song [Corée du Sud] ; Ju-Mi Park [Corée du Sud] ; Seung-Geun Ahn [Corée du Sud]Source :
- The Journal of Advanced Prosthodontics [ 2005-7806 ] ; 2010.
Abstract
The purpose of this study was to compare the accuracy of the implant master cast according to the type (pick-up, transfer) and the length (long, short) of the impression copings.
The metal master cast was fabricated with three internal connection type implant analogs (Osstem GS III analog), embedded parallel and with 10° of mesial angulation to the center analog. Four types of impression coping were prepared with different combinations of types (transfer, pick-up) and lengths (long, short) of the coping. The impressions were made using vinyl polysiloxane (one step, heavy + light body) with an individual tray, and 10 impressions were made for each group. Eventually, 40 experimental casts were produced. Then, the difference in the distance between the master cast and the experimental cast were measured, and the error rate was determined. The analysis of variance was performed using the SPSS (v 12.0) program (α = .05), and the statistical significance was set at
The ANOVA showed that the pick-up type impression coping exhibited a significantly lower error rate than the transfer type. However, no significant difference was observed with respect to the length of the impression coping. Additionally, no significant difference was observed between the parallel and mesial angulated groups.
Within the limitations of this study, the pick-up type impression coping exhibited a more accurate implant master cast than the transfer type in parallel group. The accuracy of the implant master cast did not differ for different lengths of impression coping of at least 11 mm. Additionally, the accuracy of the implant cast was not different for the parallel and 10° mesial angulated groups.
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DOI: 10.4047/jap.2010.2.4.128
PubMed: 21264191
PubMed Central: 3024502
Affiliations:
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Effect of impression coping and implant angulation on the accuracy of implant impressions: an <italic>in vitro</italic> study</title><author><name sortKey="Jo, Si Hoon" sort="Jo, Si Hoon" uniqKey="Jo S" first="Si-Hoon" last="Jo">Si-Hoon Jo</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Kim, Kyoung Il" sort="Kim, Kyoung Il" uniqKey="Kim K" first="Kyoung-Il" last="Kim">Kyoung-Il Kim</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country 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Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Kim, Kyoung Il" sort="Kim, Kyoung Il" uniqKey="Kim K" first="Kyoung-Il" last="Kim">Kyoung-Il Kim</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Seo, Jae Min" sort="Seo, Jae Min" uniqKey="Seo J" first="Jae-Min" last="Seo">Jae-Min Seo</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Song, Kwang Yeob" sort="Song, Kwang Yeob" uniqKey="Song K" first="Kwang-Yeob" last="Song">Kwang-Yeob Song</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Park, Ju Mi" sort="Park, Ju Mi" uniqKey="Park J" first="Ju-Mi" last="Park">Ju-Mi Park</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author><author><name sortKey="Ahn, Seung Geun" sort="Ahn, Seung Geun" uniqKey="Ahn S" first="Seung-Geun" last="Ahn">Seung-Geun Ahn</name><affiliation wicri:level="1"><nlm:aff id="A1">Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju, Korea.</nlm:aff><country xml:lang="fr" wicri:curation="lc">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Dentistry, Chonbuk National University, Jeonju</wicri:regionArea><wicri:noRegion>Jeonju</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of Advanced Prosthodontics</title><idno type="ISSN">2005-7806</idno><idno type="eISSN">2005-7814</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>PURPOSE</title><p>The purpose of this study was to compare the accuracy of the implant master cast according to the type (pick-up, transfer) and the length (long, short) of the impression copings.</p></sec><sec><title>MATERIALS AND METHODS</title><p>The metal master cast was fabricated with three internal connection type implant analogs (Osstem GS III analog), embedded parallel and with 10° of mesial angulation to the center analog. Four types of impression coping were prepared with different combinations of types (transfer, pick-up) and lengths (long, short) of the coping. The impressions were made using vinyl polysiloxane (one step, heavy + light body) with an individual tray, and 10 impressions were made for each group. Eventually, 40 experimental casts were produced. Then, the difference in the distance between the master cast and the experimental cast were measured, and the error rate was determined. The analysis of variance was performed using the SPSS (v 12.0) program (α = .05), and the statistical significance was set at <italic>P</italic> < .05.</p></sec><sec><title>RESULTS</title><p>The ANOVA showed that the pick-up type impression coping exhibited a significantly lower error rate than the transfer type. However, no significant difference was observed with respect to the length of the impression coping. Additionally, no significant difference was observed between the parallel and mesial angulated groups.</p></sec><sec><title>CONCLUSION</title><p>Within the limitations of this study, the pick-up type impression coping exhibited a more accurate implant master cast than the transfer type in parallel group. The accuracy of the implant master cast did not differ for different lengths of impression coping of at least 11 mm. Additionally, the accuracy of the implant cast was not different for the parallel and 10° mesial angulated groups.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Adell, R" uniqKey="Adell R">R Adell</name></author><author><name sortKey="Lekholm, U" uniqKey="Lekholm U">U Lekholm</name></author><author><name sortKey="Rockler, B" uniqKey="Rockler B">B Rockler</name></author><author><name sortKey="Br Nemark, Pi" uniqKey="Br Nemark P">PI Brånemark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Br Nemark, Pi" uniqKey="Br Nemark P">PI Brånemark</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rangert, B" uniqKey="Rangert B">B Rangert</name></author><author><name sortKey="Jemt, T" uniqKey="Jemt T">T Jemt</name></author><author><name sortKey="Jorneus, L" uniqKey="Jorneus L">L Jörneus</name></author></analytic></biblStruct><biblStruct><analytic><author><name 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sortKey="Johansen, R" uniqKey="Johansen R">R Johansen</name></author><author><name sortKey="Harris, W" uniqKey="Harris W">W Harris</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Conrad, Hj" uniqKey="Conrad H">HJ Conrad</name></author><author><name sortKey="Pesun, Ij" uniqKey="Pesun I">IJ Pesun</name></author><author><name sortKey="Delong, R" uniqKey="Delong R">R DeLong</name></author><author><name sortKey="Hodges, Js" uniqKey="Hodges J">JS Hodges</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ma, T" uniqKey="Ma T">T Ma</name></author><author><name sortKey="Nicholls, Ji" uniqKey="Nicholls J">JI Nicholls</name></author><author><name sortKey="Rubenstein, Je" uniqKey="Rubenstein J">JE Rubenstein</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Rubenstein, Je" uniqKey="Rubenstein J">JE Rubenstein</name></author><author><name sortKey="Ma, T" uniqKey="Ma T">T Ma</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Corée du Sud</li></country></list><tree><country name="Corée du Sud"><noRegion><name sortKey="Jo, Si Hoon" sort="Jo, Si Hoon" uniqKey="Jo S" first="Si-Hoon" last="Jo">Si-Hoon Jo</name></noRegion><name sortKey="Ahn, Seung Geun" sort="Ahn, Seung Geun" uniqKey="Ahn S" first="Seung-Geun" last="Ahn">Seung-Geun Ahn</name><name sortKey="Kim, Kyoung Il" sort="Kim, Kyoung Il" uniqKey="Kim K" first="Kyoung-Il" last="Kim">Kyoung-Il Kim</name><name sortKey="Park, Ju Mi" sort="Park, Ju Mi" uniqKey="Park J" first="Ju-Mi" last="Park">Ju-Mi Park</name><name sortKey="Seo, Jae Min" sort="Seo, Jae Min" uniqKey="Seo J" first="Jae-Min" last="Seo">Jae-Min Seo</name><name sortKey="Song, Kwang Yeob" sort="Song, Kwang Yeob" uniqKey="Song K" first="Kwang-Yeob" last="Song">Kwang-Yeob Song</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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