Clinical management and microscopic characterisation of fatique-induced failure of a dental implant. Case report
Identifieur interne : 006D17 ( Main/Exploration ); précédent : 006D16; suivant : 006D18Clinical management and microscopic characterisation of fatique-induced failure of a dental implant. Case report
Auteurs : S. Capodiferro [Italie] ; G. Favia [Italie] ; M. Scivetti [Italie] ; G. De Frenza [Italie] ; R. Grassi [Italie]Source :
- Head & Face Medicine [ 1746-160X ] ; 2006.
Abstract
Osseointegrated endosseous implants are widely used for the rehabilitation of completely and partially edentulous patients, being the final prosthodontic treatment more predictable and the failures extremely infrequent. A case of fracture of an endosseous dental implant, replacing the maxillary first molar, occurring in a middle-age woman, 5 years after placement is reported.
The difficult management of this rare complication of implant dentistry together with the following rehabilitation is described. Additionally, the authors performed an accurate analysis of the removed fractured implant both by the stereomicroscope and by the confocal laser scanning microscope.
The fractured impant showed the typical signs of a fatigue-induced fracture in the coronal portion of the implant together with numerous micro-fractures in the apical one. Three dimensional imaging performed by confocal laser scanning microscope led easily to a diagnosis of "fatigue fracture" of the implant. The biomechanical mechanism of implant fractures when overstress of the implant components due to bending overload is discussed.
When a fatigue-induced fracture of an dental implant occurs in presence of bending overload, the whole implant suffers a deformation that is confirmed by the alterations (micro-fractures) of the implant observable also in the osseointegrated portion that is easily appraisable by the use of stereomicroscope and confocal laser scanning microscope without preparation of the sample.
Url:
DOI: 10.1186/1746-160X-2-18
PubMed: 16792797
PubMed Central: 1550223
Affiliations:
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Case report</title><author><name sortKey="Capodiferro, S" sort="Capodiferro, S" uniqKey="Capodiferro S" first="S" last="Capodiferro">S. Capodiferro</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –</wicri:regionArea><wicri:noRegion>70124 Bari –</wicri:noRegion></affiliation></author><author><name sortKey="Favia, G" sort="Favia, G" uniqKey="Favia G" first="G" last="Favia">G. Favia</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –</wicri:regionArea><wicri:noRegion>70124 Bari –</wicri:noRegion></affiliation></author><author><name sortKey="Scivetti, M" sort="Scivetti, M" uniqKey="Scivetti M" first="M" last="Scivetti">M. Scivetti</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –</wicri:regionArea><wicri:noRegion>70124 Bari –</wicri:noRegion></affiliation></author><author><name sortKey="De Frenza, G" sort="De Frenza, G" uniqKey="De Frenza G" first="G" last="De Frenza">G. De Frenza</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –</wicri:regionArea><wicri:noRegion>70124 Bari –</wicri:noRegion></affiliation></author><author><name sortKey="Grassi, R" sort="Grassi, R" uniqKey="Grassi R" first="R" last="Grassi">R. Grassi</name><affiliation wicri:level="1"><nlm:aff id="I1">Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –, Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Dental Sciences and Surgery, University of Bari-Italy, Piazza G. Cesare, 11,70124 Bari –</wicri:regionArea><wicri:noRegion>70124 Bari –</wicri:noRegion></affiliation></author></analytic><series><title level="j">Head & Face Medicine</title><idno type="eISSN">1746-160X</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Background</title><p>Osseointegrated endosseous implants are widely used for the rehabilitation of completely and partially edentulous patients, being the final prosthodontic treatment more predictable and the failures extremely infrequent. A case of fracture of an endosseous dental implant, replacing the maxillary first molar, occurring in a middle-age woman, 5 years after placement is reported.</p></sec><sec sec-type="materials|methods"><title>Materials and methods</title><p>The difficult management of this rare complication of implant dentistry together with the following rehabilitation is described. Additionally, the authors performed an accurate analysis of the removed fractured implant both by the stereomicroscope and by the confocal laser scanning microscope.</p></sec><sec><title>Results and discussion</title><p>The fractured impant showed the typical signs of a fatigue-induced fracture in the coronal portion of the implant together with numerous micro-fractures in the apical one. Three dimensional imaging performed by confocal laser scanning microscope led easily to a diagnosis of "fatigue fracture" of the implant. The biomechanical mechanism of implant fractures when overstress of the implant components due to bending overload is discussed.</p></sec><sec><title>Conclusion</title><p>When a fatigue-induced fracture of an dental implant occurs in presence of bending overload, the whole implant suffers a deformation that is confirmed by the alterations (micro-fractures) of the implant observable also in the osseointegrated portion that is easily appraisable by the use of stereomicroscope and confocal laser scanning microscope without preparation of the sample.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct><biblStruct></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Capodiferro, S" sort="Capodiferro, S" uniqKey="Capodiferro S" first="S" last="Capodiferro">S. Capodiferro</name></noRegion><name sortKey="De Frenza, G" sort="De Frenza, G" uniqKey="De Frenza G" first="G" last="De Frenza">G. De Frenza</name><name sortKey="Favia, G" sort="Favia, G" uniqKey="Favia G" first="G" last="Favia">G. Favia</name><name sortKey="Grassi, R" sort="Grassi, R" uniqKey="Grassi R" first="R" last="Grassi">R. Grassi</name><name sortKey="Scivetti, M" sort="Scivetti, M" uniqKey="Scivetti M" first="M" last="Scivetti">M. Scivetti</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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