Evaluation of bone healing in patients with bone grafts and endosseous implants using single photon emission tomography (SPECT).
Identifieur interne : 003C00 ( PubMed/Curation ); précédent : 003B99; suivant : 003C01Evaluation of bone healing in patients with bone grafts and endosseous implants using single photon emission tomography (SPECT).
Auteurs : H. Schliephake [Allemagne] ; G. BerdingSource :
- Clinical oral implants research [ 0905-7161 ] ; 1998.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Cicatrisation de plaie, Facteurs temps, Femelle, Humains, Mandibule (), Mandibule (imagerie diagnostique), Maxillaire (), Maxillaire (imagerie diagnostique), Mâchoire édentée (), Mâchoire édentée (imagerie diagnostique), Mâchoire édentée (physiopathologie), Mâle, Médronate de technétium (99mTc), Piliers dentaires, Pose d'implant dentaire endo-osseux, Sujet âgé, Tomographie par émission monophotonique (), Tomographie par émission monophotonique (instrumentation), Transplantation osseuse (imagerie diagnostique), Transplantation osseuse (physiologie), Études prospectives.
- MESH :
- imagerie diagnostique : Mandibule, Maxillaire, Mâchoire édentée, Transplantation osseuse.
- physiologie : Transplantation osseuse.
- physiopathologie : Mâchoire édentée.
- Adulte, Adulte d'âge moyen, Cicatrisation de plaie, Facteurs temps, Femelle, Humains, Mandibule, Maxillaire, Mâchoire édentée, Mâle, Médronate de technétium (99mTc), Piliers dentaires, Pose d'implant dentaire endo-osseux, Sujet âgé, Tomographie par émission monophotonique, Études prospectives.
English descriptors
- KwdEn :
- Adult, Aged, Bone Transplantation (diagnostic imaging), Bone Transplantation (physiology), Dental Abutments, Dental Implantation, Endosseous, Female, Humans, Jaw, Edentulous (diagnostic imaging), Jaw, Edentulous (physiopathology), Jaw, Edentulous (surgery), Male, Mandible (diagnostic imaging), Mandible (surgery), Maxilla (diagnostic imaging), Maxilla (surgery), Middle Aged, Prospective Studies, Technetium Tc 99m Medronate, Time Factors, Tomography, Emission-Computed, Single-Photon (instrumentation), Tomography, Emission-Computed, Single-Photon (methods), Wound Healing.
- MESH :
- chemical : Technetium Tc 99m Medronate.
- diagnostic imaging : Bone Transplantation, Jaw, Edentulous, Mandible, Maxilla.
- instrumentation : Tomography, Emission-Computed, Single-Photon.
- methods : Tomography, Emission-Computed, Single-Photon.
- physiology : Bone Transplantation.
- physiopathology : Jaw, Edentulous.
- surgery : Jaw, Edentulous, Mandible, Maxilla.
- Adult, Aged, Dental Abutments, Dental Implantation, Endosseous, Female, Humans, Male, Middle Aged, Prospective Studies, Time Factors, Wound Healing.
Abstract
The aim of the present study was to evaluate the healing of onlay grafts to edentulous jaws in conjunction with osseointegrated implants using single photon emission computed tomography (SPECT). In all, 24 patients were examined who had received 26 full arch onlay grafts for augmentation of extremely atrophic edentulous jaws with secondary placement of implants 21.4 weeks after grafting. 99m-technetium-MDP scintigrams were performed immediately after grafting, before implant placement, after implant placement and before abutment connection. Tracer accumulation was assessed semiquantitatively by calculating ratios of count densities between the uptake over the calvarium and over the grafted jaws based on 16 regions of interest in the reconstructed tomograms corresponding to 16 possible areas of implant placement. There was a significant decrease in tracer uptake during graft healing, which was followed by a significant increase after implant placement and a subsequent decrease during implant healing. In 3 patients, infection and partial necrosis of the grafted bone occurred. In these cases, tracer uptake in areas of subsequent graft infection immediately after grafting was significantly lower compared to patients with uneventful healing as a sign of inferior graft revascularization. In 3 patients, 14 implants failed due to mobility at the time of abutment connection or loss of osseointegration within the first weeks thereafter. Significantly lower levels of tracer uptake immediately after grafting and during graft healing were found in these areas, representing a lack of bone turnover due to decreased revascularization. These areas also showed a lower increase in tracer accumulation after implant placement due to the inferior graft quality, followed by a significant increase of peri-implant bone turnover at the time of abutment connection representing inflammatory peri-implant bone reaction.
PubMed: 9590943
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Berding</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1998">1998</date><idno type="RBID">pubmed:9590943</idno><idno type="pmid">9590943</idno><idno type="wicri:Area/PubMed/Corpus">003C00</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">003C00</idno><idno type="wicri:Area/PubMed/Curation">003C00</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">003C00</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Evaluation of bone healing in patients with bone grafts and endosseous implants using single photon emission tomography (SPECT).</title><author><name sortKey="Schliephake, H" sort="Schliephake, H" uniqKey="Schliephake H" first="H" last="Schliephake">H. Schliephake</name><affiliation wicri:level="1"><nlm:affiliation>Department of Oral and Maxillofacial Surgery, Hannover Medical School, Germany.</nlm:affiliation><country xml:lang="fr">Allemagne</country><wicri:regionArea>Department of Oral and Maxillofacial Surgery, Hannover Medical School</wicri:regionArea></affiliation></author><author><name sortKey="Berding, G" sort="Berding, G" uniqKey="Berding G" first="G" last="Berding">G. Berding</name></author></analytic><series><title level="j">Clinical oral implants research</title><idno type="ISSN">0905-7161</idno><imprint><date when="1998" type="published">1998</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Aged</term><term>Bone Transplantation (diagnostic imaging)</term><term>Bone Transplantation (physiology)</term><term>Dental Abutments</term><term>Dental Implantation, Endosseous</term><term>Female</term><term>Humans</term><term>Jaw, Edentulous (diagnostic imaging)</term><term>Jaw, Edentulous (physiopathology)</term><term>Jaw, Edentulous (surgery)</term><term>Male</term><term>Mandible (diagnostic imaging)</term><term>Mandible (surgery)</term><term>Maxilla (diagnostic imaging)</term><term>Maxilla (surgery)</term><term>Middle Aged</term><term>Prospective Studies</term><term>Technetium Tc 99m Medronate</term><term>Time Factors</term><term>Tomography, Emission-Computed, Single-Photon (instrumentation)</term><term>Tomography, Emission-Computed, Single-Photon (methods)</term><term>Wound Healing</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Cicatrisation de plaie</term><term>Facteurs temps</term><term>Femelle</term><term>Humains</term><term>Mandibule ()</term><term>Mandibule (imagerie diagnostique)</term><term>Maxillaire ()</term><term>Maxillaire (imagerie diagnostique)</term><term>Mâchoire édentée ()</term><term>Mâchoire édentée (imagerie diagnostique)</term><term>Mâchoire édentée (physiopathologie)</term><term>Mâle</term><term>Médronate de technétium (99mTc)</term><term>Piliers dentaires</term><term>Pose d'implant dentaire endo-osseux</term><term>Sujet âgé</term><term>Tomographie par émission monophotonique ()</term><term>Tomographie par émission monophotonique (instrumentation)</term><term>Transplantation osseuse (imagerie diagnostique)</term><term>Transplantation osseuse (physiologie)</term><term>Études prospectives</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Technetium Tc 99m Medronate</term></keywords><keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Bone Transplantation</term><term>Jaw, Edentulous</term><term>Mandible</term><term>Maxilla</term></keywords><keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term><term>Maxillaire</term><term>Mâchoire édentée</term><term>Transplantation osseuse</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Tomography, Emission-Computed, Single-Photon</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Tomography, Emission-Computed, Single-Photon</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Transplantation osseuse</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bone Transplantation</term></keywords><keywords scheme="MESH" qualifier="physiopathologie" xml:lang="fr"><term>Mâchoire édentée</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Jaw, Edentulous</term></keywords><keywords scheme="MESH" qualifier="surgery" xml:lang="en"><term>Jaw, Edentulous</term><term>Mandible</term><term>Maxilla</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Aged</term><term>Dental Abutments</term><term>Dental Implantation, Endosseous</term><term>Female</term><term>Humans</term><term>Male</term><term>Middle Aged</term><term>Prospective Studies</term><term>Time Factors</term><term>Wound Healing</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adulte</term><term>Adulte d'âge moyen</term><term>Cicatrisation de plaie</term><term>Facteurs temps</term><term>Femelle</term><term>Humains</term><term>Mandibule</term><term>Maxillaire</term><term>Mâchoire édentée</term><term>Mâle</term><term>Médronate de technétium (99mTc)</term><term>Piliers dentaires</term><term>Pose d'implant dentaire endo-osseux</term><term>Sujet âgé</term><term>Tomographie par émission monophotonique</term><term>Études prospectives</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of the present study was to evaluate the healing of onlay grafts to edentulous jaws in conjunction with osseointegrated implants using single photon emission computed tomography (SPECT). In all, 24 patients were examined who had received 26 full arch onlay grafts for augmentation of extremely atrophic edentulous jaws with secondary placement of implants 21.4 weeks after grafting. 99m-technetium-MDP scintigrams were performed immediately after grafting, before implant placement, after implant placement and before abutment connection. Tracer accumulation was assessed semiquantitatively by calculating ratios of count densities between the uptake over the calvarium and over the grafted jaws based on 16 regions of interest in the reconstructed tomograms corresponding to 16 possible areas of implant placement. There was a significant decrease in tracer uptake during graft healing, which was followed by a significant increase after implant placement and a subsequent decrease during implant healing. In 3 patients, infection and partial necrosis of the grafted bone occurred. In these cases, tracer uptake in areas of subsequent graft infection immediately after grafting was significantly lower compared to patients with uneventful healing as a sign of inferior graft revascularization. In 3 patients, 14 implants failed due to mobility at the time of abutment connection or loss of osseointegration within the first weeks thereafter. Significantly lower levels of tracer uptake immediately after grafting and during graft healing were found in these areas, representing a lack of bone turnover due to decreased revascularization. These areas also showed a lower increase in tracer accumulation after implant placement due to the inferior graft quality, followed by a significant increase of peri-implant bone turnover at the time of abutment connection representing inflammatory peri-implant bone reaction.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">9590943</PMID><DateCompleted><Year>1998</Year><Month>07</Month><Day>29</Day></DateCompleted><DateRevised><Year>2016</Year><Month>11</Month><Day>24</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0905-7161</ISSN><JournalIssue CitedMedium="Print"><Volume>9</Volume><Issue>1</Issue><PubDate><Year>1998</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Clinical oral implants research</Title><ISOAbbreviation>Clin Oral Implants Res</ISOAbbreviation></Journal><ArticleTitle>Evaluation of bone healing in patients with bone grafts and endosseous implants using single photon emission tomography (SPECT).</ArticleTitle><Pagination><MedlinePgn>34-42</MedlinePgn></Pagination><Abstract><AbstractText>The aim of the present study was to evaluate the healing of onlay grafts to edentulous jaws in conjunction with osseointegrated implants using single photon emission computed tomography (SPECT). In all, 24 patients were examined who had received 26 full arch onlay grafts for augmentation of extremely atrophic edentulous jaws with secondary placement of implants 21.4 weeks after grafting. 99m-technetium-MDP scintigrams were performed immediately after grafting, before implant placement, after implant placement and before abutment connection. Tracer accumulation was assessed semiquantitatively by calculating ratios of count densities between the uptake over the calvarium and over the grafted jaws based on 16 regions of interest in the reconstructed tomograms corresponding to 16 possible areas of implant placement. There was a significant decrease in tracer uptake during graft healing, which was followed by a significant increase after implant placement and a subsequent decrease during implant healing. In 3 patients, infection and partial necrosis of the grafted bone occurred. In these cases, tracer uptake in areas of subsequent graft infection immediately after grafting was significantly lower compared to patients with uneventful healing as a sign of inferior graft revascularization. In 3 patients, 14 implants failed due to mobility at the time of abutment connection or loss of osseointegration within the first weeks thereafter. Significantly lower levels of tracer uptake immediately after grafting and during graft healing were found in these areas, representing a lack of bone turnover due to decreased revascularization. These areas also showed a lower increase in tracer accumulation after implant placement due to the inferior graft quality, followed by a significant increase of peri-implant bone turnover at the time of abutment connection representing inflammatory peri-implant bone reaction.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Schliephake</LastName><ForeName>H</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Oral and Maxillofacial Surgery, Hannover Medical School, Germany.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Berding</LastName><ForeName>G</ForeName><Initials>G</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D003160">Comparative Study</PublicationType><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Denmark</Country><MedlineTA>Clin Oral Implants Res</MedlineTA><NlmUniqueID>9105713</NlmUniqueID><ISSNLinking>0905-7161</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>X89XV46R07</RegistryNumber><NameOfSubstance UI="D013669">Technetium Tc 99m Medronate</NameOfSubstance></Chemical></ChemicalList><CitationSubset>D</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016025" MajorTopicYN="N">Bone Transplantation</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000044" MajorTopicYN="N">Dental Abutments</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003758" MajorTopicYN="Y">Dental Implantation, Endosseous</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007575" MajorTopicYN="N">Jaw, Edentulous</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="Y">diagnostic imaging</QualifierName><QualifierName UI="Q000503" MajorTopicYN="Y">physiopathology</QualifierName><QualifierName UI="Q000601" MajorTopicYN="N">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008334" MajorTopicYN="N">Mandible</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="N">diagnostic imaging</QualifierName><QualifierName UI="Q000601" MajorTopicYN="N">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008437" MajorTopicYN="N">Maxilla</DescriptorName><QualifierName UI="Q000000981" MajorTopicYN="N">diagnostic imaging</QualifierName><QualifierName UI="Q000601" MajorTopicYN="N">surgery</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011446" MajorTopicYN="N">Prospective Studies</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013669" MajorTopicYN="N">Technetium Tc 99m Medronate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013997" MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015899" MajorTopicYN="Y">Tomography, Emission-Computed, Single-Photon</DescriptorName><QualifierName UI="Q000295" MajorTopicYN="N">instrumentation</QualifierName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014945" MajorTopicYN="Y">Wound Healing</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1998</Year><Month>5</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1998</Year><Month>5</Month><Day>20</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1998</Year><Month>5</Month><Day>20</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">9590943</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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