Cumulative survival rate and complication rates of single‐tooth implant; focused on the coronal fracture of fixture in the internal connection implant
Identifieur interne : 001882 ( Main/Merge ); précédent : 001881; suivant : 001883Cumulative survival rate and complication rates of single‐tooth implant; focused on the coronal fracture of fixture in the internal connection implant
Auteurs : H. Cha [Corée du Sud] ; Y. Kim [Corée du Sud] ; J. Jeon [Corée du Sud] ; J. Lee [Corée du Sud, Niger]Source :
- Journal of Oral Rehabilitation [ 0305-182X ] ; 2013-08.
Descripteurs français
- KwdFr :
- Adolescent, Adulte, Adulte d'âge moyen, Conception de prothèse dentaire (effets indésirables), Facteurs de risque, Femelle, Humains, Implants dentaires unitaires (effets indésirables), Jeune adulte, Mâchoire partiellement édentée (rééducation et réadaptation), Mâle, Pose d'implant dentaire endo-osseux (effets indésirables), Prothèse dentaire implanto-portée (effets indésirables), Résultat thérapeutique, Sujet âgé, Sujet âgé de 80 ans ou plus, Échec de restauration dentaire (), Études rétrospectives.
- MESH :
- effets indésirables : Conception de prothèse dentaire, Implants dentaires unitaires, Pose d'implant dentaire endo-osseux, Prothèse dentaire implanto-portée.
- rééducation et réadaptation : Mâchoire partiellement édentée.
- Adolescent, Adulte, Adulte d'âge moyen, Facteurs de risque, Femelle, Humains, Jeune adulte, Mâle, Résultat thérapeutique, Sujet âgé, Sujet âgé de 80 ans ou plus, Échec de restauration dentaire, Études rétrospectives.
English descriptors
- KwdEn :
- Abutment, Abutment screw, Adolescent, Adult, Aged, Aged, 80 and over, Anemark system, Asan, Astra, Astra tech implant, Clin, Complication, Complication occurrence, Complication rates, Coronal, Coronal fracture, Cumulative survival rate, Cumulative survival rates, Dent, Dental Implantation, Endosseous (adverse effects), Dental Implants, Single-Tooth (adverse effects), Dental Prosthesis Design (adverse effects), Dental Prosthesis, Implant-Supported (adverse effects), Dental Restoration Failure (statistics & numerical data), Exact test, Faculty members, Female, Fracture, Gender, Humans, Implant, Implant fracture, Implant placement, Implant position, Implant system, Jaw, Edentulous, Partially (rehabilitation), John wiley sons, Life table analysis, Male, Mandible, Maxilla, Maxillofac, Microthreadtm osseospeedtm, Middle Aged, Molar, Molar area, Molar region, Multicenter retrospective analysis, Oral maxillofac implants, Posterior region, Premolar, Premolar regions, Prospective study, Prosthesis, Prosthesis retention, Prosthet dent, Retrospective, Retrospective Studies, Retrospective study, Risk Factors, Survival rates, Systematic review, Systemic review, Treatment Outcome, Whole arch, Xture, Xture fracture, Xtures, Young Adult.
- MESH :
- adverse effects : Dental Implantation, Endosseous, Dental Implants, Single-Tooth, Dental Prosthesis Design, Dental Prosthesis, Implant-Supported.
- rehabilitation : Jaw, Edentulous, Partially.
- statistics & numerical data : Dental Restoration Failure.
- Teeft :
- Abutment, Abutment screw, Adolescent, Adult, Aged, Aged, 80 and over, Anemark system, Asan, Astra, Astra tech implant, Clin, Complication, Complication occurrence, Complication rates, Coronal, Coronal fracture, Cumulative survival rate, Cumulative survival rates, Dent, Exact test, Faculty members, Female, Fracture, Gender, Humans, Implant, Implant fracture, Implant placement, Implant position, Implant system, John wiley sons, Life table analysis, Male, Mandible, Maxilla, Maxillofac, Microthreadtm osseospeedtm, Middle Aged, Molar, Molar area, Molar region, Multicenter retrospective analysis, Oral maxillofac implants, Posterior region, Premolar, Premolar regions, Prospective study, Prosthesis, Prosthesis retention, Prosthet dent, Retrospective, Retrospective Studies, Retrospective study, Risk Factors, Survival rates, Systematic review, Systemic review, Treatment Outcome, Whole arch, Xture, Xture fracture, Xtures, Young Adult.
Abstract
This retrospective study evaluated the 5‐year cumulative survival rate and complication rates of a 4·0‐mm internal connection implant (MicroThread™ Osseospeed™, Astra Tech) installed for single‐tooth restoration. The patients who were treated at Asan Medical Center between 2006 and 2007 were included in this study. A life table analysis was used to calculate the 5‐year cumulative survival rate. Comparisons of cumulative survival rates among implant position (anterior, premolar and molar), jawbone (maxilla, mandible), gender and prosthesis type (screw‐retained, cement‐retained) were performed using the log‐rank test. Post‐loading complications were analysed using Fisher's exact test. Twelve of 136 implants (anterior; 22, premolar; 25, molar; 89) were lost during the loading period, and 11 were removed due to coronal fracture of fixture. The 5‐year cumulative survival rate of the whole arch was 91·9%, and that of the molar region was 87·6%. Statistically significant differences were observed in cumulative survival rates among implant position (P = 0·037), whereas no statistically significant differences were observed among gender, jawbone, prosthesis type. Forty‐seven of 114 (41·2%) implants in the posterior region showed post‐loading complications, including coronal fracture of fixture and abutment screw loosening.
Url:
DOI: 10.1111/joor.12065
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ISTEX:4AAF3530898C5C16D3D70BD81BB8C5D525C0D387Le document en format XML
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screw</term><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Anemark system</term><term>Asan</term><term>Astra</term><term>Astra tech implant</term><term>Clin</term><term>Complication</term><term>Complication occurrence</term><term>Complication rates</term><term>Coronal</term><term>Coronal fracture</term><term>Cumulative survival rate</term><term>Cumulative survival rates</term><term>Dent</term><term>Exact test</term><term>Faculty members</term><term>Female</term><term>Fracture</term><term>Gender</term><term>Humans</term><term>Implant</term><term>Implant fracture</term><term>Implant placement</term><term>Implant position</term><term>Implant system</term><term>John wiley sons</term><term>Life table analysis</term><term>Male</term><term>Mandible</term><term>Maxilla</term><term>Maxillofac</term><term>Microthreadtm osseospeedtm</term><term>Middle Aged</term><term>Molar</term><term>Molar area</term><term>Molar region</term><term>Multicenter retrospective analysis</term><term>Oral maxillofac implants</term><term>Posterior region</term><term>Premolar</term><term>Premolar regions</term><term>Prospective study</term><term>Prosthesis</term><term>Prosthesis retention</term><term>Prosthet dent</term><term>Retrospective</term><term>Retrospective Studies</term><term>Retrospective study</term><term>Risk Factors</term><term>Survival rates</term><term>Systematic review</term><term>Systemic review</term><term>Treatment Outcome</term><term>Whole arch</term><term>Xture</term><term>Xture fracture</term><term>Xtures</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Facteurs de risque</term><term>Femelle</term><term>Humains</term><term>Jeune adulte</term><term>Mâle</term><term>Résultat thérapeutique</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Échec de restauration dentaire</term><term>Études rétrospectives</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">This retrospective study evaluated the 5‐year cumulative survival rate and complication rates of a 4·0‐mm internal connection implant (MicroThread™ Osseospeed™, Astra Tech) installed for single‐tooth restoration. The patients who were treated at Asan Medical Center between 2006 and 2007 were included in this study. A life table analysis was used to calculate the 5‐year cumulative survival rate. Comparisons of cumulative survival rates among implant position (anterior, premolar and molar), jawbone (maxilla, mandible), gender and prosthesis type (screw‐retained, cement‐retained) were performed using the log‐rank test. Post‐loading complications were analysed using Fisher's exact test. Twelve of 136 implants (anterior; 22, premolar; 25, molar; 89) were lost during the loading period, and 11 were removed due to coronal fracture of fixture. The 5‐year cumulative survival rate of the whole arch was 91·9%, and that of the molar region was 87·6%. Statistically significant differences were observed in cumulative survival rates among implant position (P = 0·037), whereas no statistically significant differences were observed among gender, jawbone, prosthesis type. Forty‐seven of 114 (41·2%) implants in the posterior region showed post‐loading complications, including coronal fracture of fixture and abutment screw loosening.</div></front></TEI><double doi="10.1111/joor.12065"><ISTEX><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Cumulative survival rate and complication rates of single‐tooth implant; focused on the coronal fracture of fixture in the internal connection implant</title><author><name sortKey="Cha, H" sort="Cha, H" uniqKey="Cha H" first="H." last="Cha">H. Cha</name></author><author><name sortKey="Kim, Y" sort="Kim, Y" uniqKey="Kim Y" first="Y." last="Kim">Y. Kim</name></author><author><name sortKey="Jeon, J" sort="Jeon, J" uniqKey="Jeon J" first="J." last="Jeon">J. Jeon</name></author><author><name sortKey="Lee, J" sort="Lee, J" uniqKey="Lee J" first="J." last="Lee">J. Lee</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:4AAF3530898C5C16D3D70BD81BB8C5D525C0D387</idno><date when="2013" year="2013">2013</date><idno type="doi">10.1111/joor.12065</idno><idno type="url">https://api.istex.fr/document/4AAF3530898C5C16D3D70BD81BB8C5D525C0D387/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000271</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">000271</idno><idno type="wicri:Area/Istex/Curation">000271</idno><idno type="wicri:Area/Istex/Checkpoint">000830</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Checkpoint">000830</idno><idno type="wicri:doubleKey">0305-182X:2013:Cha H:cumulative:survival:rate</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main">Cumulative survival rate and complication rates of single‐tooth implant; focused on the coronal fracture of fixture in the internal connection implant</title><author><name sortKey="Cha, H" sort="Cha, H" uniqKey="Cha H" first="H." last="Cha">H. Cha</name><affiliation wicri:level="3"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Kim, Y" sort="Kim, Y" uniqKey="Kim Y" first="Y." last="Kim">Y. Kim</name><affiliation wicri:level="3"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Periodontology, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Jeon, J" sort="Jeon, J" uniqKey="Jeon J" first="J." last="Jeon">J. Jeon</name><affiliation wicri:level="3"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Oral and Maxillofacial Surgery, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Lee, J" sort="Lee, J" uniqKey="Lee J" first="J." last="Lee">J. Lee</name><affiliation wicri:level="3"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation><affiliation></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Niger</country></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Journal of Oral Rehabilitation</title><title level="j" type="alt">JOURNAL OF ORAL REHABILITATION</title><idno type="ISSN">0305-182X</idno><idno type="eISSN">1365-2842</idno><imprint><biblScope unit="vol">40</biblScope><biblScope unit="issue">8</biblScope><biblScope unit="page" from="595">595</biblScope><biblScope unit="page" to="602">602</biblScope><biblScope unit="page-count">8</biblScope><date type="published" when="2013-08">2013-08</date></imprint><idno type="ISSN">0305-182X</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0305-182X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Abutment</term><term>Abutment screw</term><term>Anemark system</term><term>Asan</term><term>Astra</term><term>Astra tech implant</term><term>Clin</term><term>Complication</term><term>Complication occurrence</term><term>Complication rates</term><term>Coronal</term><term>Coronal fracture</term><term>Cumulative survival rate</term><term>Cumulative survival rates</term><term>Dent</term><term>Exact test</term><term>Faculty members</term><term>Fracture</term><term>Gender</term><term>Implant</term><term>Implant fracture</term><term>Implant placement</term><term>Implant position</term><term>Implant system</term><term>John wiley sons</term><term>Life table analysis</term><term>Mandible</term><term>Maxilla</term><term>Maxillofac</term><term>Microthreadtm osseospeedtm</term><term>Molar</term><term>Molar area</term><term>Molar region</term><term>Multicenter retrospective analysis</term><term>Oral maxillofac implants</term><term>Posterior region</term><term>Premolar</term><term>Premolar regions</term><term>Prospective study</term><term>Prosthesis</term><term>Prosthesis retention</term><term>Prosthet dent</term><term>Retrospective</term><term>Retrospective study</term><term>Survival rates</term><term>Systematic review</term><term>Systemic review</term><term>Whole arch</term><term>Xture</term><term>Xture fracture</term><term>Xtures</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Abutment</term><term>Abutment screw</term><term>Anemark system</term><term>Asan</term><term>Astra</term><term>Astra tech implant</term><term>Clin</term><term>Complication</term><term>Complication occurrence</term><term>Complication rates</term><term>Coronal</term><term>Coronal fracture</term><term>Cumulative survival rate</term><term>Cumulative survival rates</term><term>Dent</term><term>Exact test</term><term>Faculty members</term><term>Fracture</term><term>Gender</term><term>Implant</term><term>Implant fracture</term><term>Implant placement</term><term>Implant position</term><term>Implant system</term><term>John wiley sons</term><term>Life table analysis</term><term>Mandible</term><term>Maxilla</term><term>Maxillofac</term><term>Microthreadtm osseospeedtm</term><term>Molar</term><term>Molar area</term><term>Molar region</term><term>Multicenter retrospective analysis</term><term>Oral maxillofac implants</term><term>Posterior region</term><term>Premolar</term><term>Premolar regions</term><term>Prospective study</term><term>Prosthesis</term><term>Prosthesis retention</term><term>Prosthet dent</term><term>Retrospective</term><term>Retrospective study</term><term>Survival rates</term><term>Systematic review</term><term>Systemic review</term><term>Whole arch</term><term>Xture</term><term>Xture fracture</term><term>Xtures</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">This retrospective study evaluated the 5‐year cumulative survival rate and complication rates of a 4·0‐mm internal connection implant (MicroThread™ Osseospeed™, Astra Tech) installed for single‐tooth restoration. The patients who were treated at Asan Medical Center between 2006 and 2007 were included in this study. A life table analysis was used to calculate the 5‐year cumulative survival rate. Comparisons of cumulative survival rates among implant position (anterior, premolar and molar), jawbone (maxilla, mandible), gender and prosthesis type (screw‐retained, cement‐retained) were performed using the log‐rank test. Post‐loading complications were analysed using Fisher's exact test. Twelve of 136 implants (anterior; 22, premolar; 25, molar; 89) were lost during the loading period, and 11 were removed due to coronal fracture of fixture. The 5‐year cumulative survival rate of the whole arch was 91·9%, and that of the molar region was 87·6%. Statistically significant differences were observed in cumulative survival rates among implant position (P = 0·037), whereas no statistically significant differences were observed among gender, jawbone, prosthesis type. Forty‐seven of 114 (41·2%) implants in the posterior region showed post‐loading complications, including coronal fracture of fixture and abutment screw loosening.</div></front></TEI></ISTEX><PubMed><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Cumulative survival rate and complication rates of single-tooth implant; focused on the coronal fracture of fixture in the internal connection implant.</title><author><name sortKey="Cha, H S" sort="Cha, H S" uniqKey="Cha H" first="H-S" last="Cha">H-S Cha</name><affiliation wicri:level="3"><nlm:affiliation>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Kim, Y S" sort="Kim, Y S" uniqKey="Kim Y" first="Y-S" last="Kim">Y-S Kim</name></author><author><name sortKey="Jeon, J H" sort="Jeon, J H" uniqKey="Jeon J" first="J-H" last="Jeon">J-H Jeon</name></author><author><name sortKey="Lee, J H" sort="Lee, J H" uniqKey="Lee J" first="J-H" last="Lee">J-H Lee</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:23679929</idno><idno type="pmid">23679929</idno><idno type="doi">10.1111/joor.12065</idno><idno type="wicri:Area/PubMed/Corpus">000632</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000632</idno><idno type="wicri:Area/PubMed/Curation">000632</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000632</idno><idno type="wicri:Area/PubMed/Checkpoint">000632</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000632</idno><idno type="wicri:Area/Ncbi/Merge">000305</idno><idno type="wicri:Area/Ncbi/Curation">000305</idno><idno type="wicri:Area/Ncbi/Checkpoint">000305</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Cumulative survival rate and complication rates of single-tooth implant; focused on the coronal fracture of fixture in the internal connection implant.</title><author><name sortKey="Cha, H S" sort="Cha, H S" uniqKey="Cha H" first="H-S" last="Cha">H-S Cha</name><affiliation wicri:level="3"><nlm:affiliation>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, Korea.</nlm:affiliation><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>Department of Prosthodontics, College of Medicine, University of Ulsan, Asan Medical Center, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region></placeName></affiliation></author><author><name sortKey="Kim, Y S" sort="Kim, Y S" uniqKey="Kim Y" first="Y-S" last="Kim">Y-S Kim</name></author><author><name sortKey="Jeon, J H" sort="Jeon, J H" uniqKey="Jeon J" first="J-H" last="Jeon">J-H Jeon</name></author><author><name sortKey="Lee, J H" sort="Lee, J H" uniqKey="Lee J" first="J-H" last="Lee">J-H Lee</name></author></analytic><series><title level="j">Journal of oral rehabilitation</title><idno type="eISSN">1365-2842</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Dental Implantation, Endosseous (adverse effects)</term><term>Dental Implants, Single-Tooth (adverse effects)</term><term>Dental Prosthesis Design (adverse effects)</term><term>Dental Prosthesis, Implant-Supported (adverse effects)</term><term>Dental Restoration Failure (statistics & numerical data)</term><term>Female</term><term>Humans</term><term>Jaw, Edentulous, Partially (rehabilitation)</term><term>Male</term><term>Middle Aged</term><term>Retrospective Studies</term><term>Risk Factors</term><term>Treatment Outcome</term><term>Young Adult</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Conception de prothèse dentaire (effets indésirables)</term><term>Facteurs de risque</term><term>Femelle</term><term>Humains</term><term>Implants dentaires unitaires (effets indésirables)</term><term>Jeune adulte</term><term>Mâchoire partiellement édentée (rééducation et réadaptation)</term><term>Mâle</term><term>Pose d'implant dentaire endo-osseux (effets indésirables)</term><term>Prothèse dentaire implanto-portée (effets indésirables)</term><term>Résultat thérapeutique</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Échec de restauration dentaire ()</term><term>Études rétrospectives</term></keywords><keywords scheme="MESH" qualifier="adverse effects" xml:lang="en"><term>Dental Implantation, Endosseous</term><term>Dental Implants, Single-Tooth</term><term>Dental Prosthesis Design</term><term>Dental Prosthesis, Implant-Supported</term></keywords><keywords scheme="MESH" qualifier="effets indésirables" xml:lang="fr"><term>Conception de prothèse dentaire</term><term>Implants dentaires unitaires</term><term>Pose d'implant dentaire endo-osseux</term><term>Prothèse dentaire implanto-portée</term></keywords><keywords scheme="MESH" qualifier="rehabilitation" xml:lang="en"><term>Jaw, Edentulous, Partially</term></keywords><keywords scheme="MESH" qualifier="rééducation et réadaptation" xml:lang="fr"><term>Mâchoire partiellement édentée</term></keywords><keywords scheme="MESH" qualifier="statistics & numerical data" xml:lang="en"><term>Dental Restoration Failure</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Adult</term><term>Aged</term><term>Aged, 80 and over</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Retrospective Studies</term><term>Risk Factors</term><term>Treatment Outcome</term><term>Young Adult</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Adulte</term><term>Adulte d'âge moyen</term><term>Facteurs de risque</term><term>Femelle</term><term>Humains</term><term>Jeune adulte</term><term>Mâle</term><term>Résultat thérapeutique</term><term>Sujet âgé</term><term>Sujet âgé de 80 ans ou plus</term><term>Échec de restauration dentaire</term><term>Études rétrospectives</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This retrospective study evaluated the 5-year cumulative survival rate and complication rates of a 4·0-mm internal connection implant (MicroThread™ Osseospeed™, Astra Tech) installed for single-tooth restoration. The patients who were treated at Asan Medical Center between 2006 and 2007 were included in this study. A life table analysis was used to calculate the 5-year cumulative survival rate. Comparisons of cumulative survival rates among implant position (anterior, premolar and molar), jawbone (maxilla, mandible), gender and prosthesis type (screw-retained, cement-retained) were performed using the log-rank test. Post-loading complications were analysed using Fisher's exact test. Twelve of 136 implants (anterior; 22, premolar; 25, molar; 89) were lost during the loading period, and 11 were removed due to coronal fracture of fixture. The 5-year cumulative survival rate of the whole arch was 91·9%, and that of the molar region was 87·6%. Statistically significant differences were observed in cumulative survival rates among implant position (P = 0·037), whereas no statistically significant differences were observed among gender, jawbone, prosthesis type. Forty-seven of 114 (41·2%) implants in the posterior region showed post-loading complications, including coronal fracture of fixture and abutment screw loosening.</div></front></TEI></PubMed></double></record>Pour manipuler ce document sous Unix (Dilib)
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