Implant treatment without bone grafting in edentulous severely resorbed maxillas : A long-term follow-up study
Identifieur interne : 002006 ( Main/Merge ); précédent : 002005; suivant : 002007Implant treatment without bone grafting in edentulous severely resorbed maxillas : A long-term follow-up study
Auteurs : Annika Rosen [Suède] ; Goran Gynther [Suède]Source :
- Journal of oral and maxillofacial surgery [ 0278-2391 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Chirurgie.
English descriptors
- KwdEn :
Abstract
Purpose: To evaluate retrospectively the surgical outcome of tilted implants in severely resorbed edentulous maxillas as an alternative to bone grafting and the prosthodontic outcome of posterior extension bridges on tilted implants. Patients and Methods: A total of 33 consecutive patients with severely resorbed edentulous maxillas participated in the study. In these patients, the maxillary bone volumes were insufficient for conventional placement of implants to support a fixed prosthesis. As an alternative to bone transplantation, a surgical technique with fenestration of the maxillary sinus to visualize the total amount of maxillary bone was used, followed by implant placement in a tilted manner along the anterior maxillary sinus wall. Thus, 4 to 6 implants of optimal length could be installed in each patient. Nineteen patients were included in this long-term follow-up study and were eligible for clinical evaluation at 8 to 12 years (mean, 10 years) after second-stage surgery. Each patient was examined clinically and radiographically. Results: The 19 patients had a total of 103 implants. In 2 of these patients, 3 fixtures were lost during the first year after second-stage surgery. All other patients had all implants intact with functionally fixed dental prostheses, corresponding to a success rate of 97%. Radiographic examination showed bone resorption in 10% of the implants (10 implants in 5 patients with a total number of 27 implants), with a mean bone loss of 1.2 mm. Mucositis was seen in 47% of the patients. Conclusions: This long-term follow-up study (mean time, 10 years) demonstrates that patients with a severely resorbed maxilla can be treated successfully with conventional implant treatment. This simplified surgical technique can be an alternative to the more resource-demanding technique with bone grafting.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Implant treatment without bone grafting in edentulous severely resorbed maxillas : A long-term follow-up study</title><author><name sortKey="Rosen, Annika" sort="Rosen, Annika" uniqKey="Rosen A" first="Annika" last="Rosen">Annika Rosen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Karolinska Institute /Karolinska University Hospital</s1><s2>Huddinge</s2><s3>SWE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Huddinge</wicri:noRegion></affiliation></author><author><name sortKey="Gynther, Goran" sort="Gynther, Goran" uniqKey="Gynther G" first="Goran" last="Gynther">Goran Gynther</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Karolinska Institute /Karolinska University Hospital</s1><s2>Huddinge</s2><s3>SWE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Huddinge</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centre for Dental Implants</s1><s2>Nacka</s2><s3>SWE</s3><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Centre for Dental Implants</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">07-0252619</idno><date when="2007">2007</date><idno type="stanalyst">PASCAL 07-0252619 INIST</idno><idno type="RBID">Pascal:07-0252619</idno><idno type="wicri:Area/PascalFrancis/Corpus">000434</idno><idno type="wicri:Area/PascalFrancis/Curation">000269</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000411</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000411</idno><idno type="wicri:doubleKey">0278-2391:2007:Rosen A:implant:treatment:without</idno><idno type="wicri:Area/Main/Merge">002006</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Implant treatment without bone grafting in edentulous severely resorbed maxillas : A long-term follow-up study</title><author><name sortKey="Rosen, Annika" sort="Rosen, Annika" uniqKey="Rosen A" first="Annika" last="Rosen">Annika Rosen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Karolinska Institute /Karolinska University Hospital</s1><s2>Huddinge</s2><s3>SWE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Huddinge</wicri:noRegion></affiliation></author><author><name sortKey="Gynther, Goran" sort="Gynther, Goran" uniqKey="Gynther G" first="Goran" last="Gynther">Goran Gynther</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Oral and Maxillofacial Surgery, Karolinska Institute /Karolinska University Hospital</s1><s2>Huddinge</s2><s3>SWE</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Huddinge</wicri:noRegion></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centre for Dental Implants</s1><s2>Nacka</s2><s3>SWE</s3><sZ>2 aut.</sZ></inist:fA14><country>Suède</country><wicri:noRegion>Centre for Dental Implants</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">J. oral maxillofac. surg.</title><idno type="ISSN">0278-2391</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of oral and maxillofacial surgery</title><title level="j" type="abbreviated">J. oral maxillofac. surg.</title><idno type="ISSN">0278-2391</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bone graft</term><term>Edentulousness</term><term>Follow up study</term><term>Implant</term><term>Long term</term><term>Maxillary</term><term>Stomatology</term><term>Surgery</term><term>Treatment</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Edentation</term><term>Chirurgie</term><term>Implant</term><term>Traitement</term><term>Maxillaire</term><term>Long terme</term><term>Etude longitudinale</term><term>Stomatologie</term><term>Greffe osseuse</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Chirurgie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Purpose: To evaluate retrospectively the surgical outcome of tilted implants in severely resorbed edentulous maxillas as an alternative to bone grafting and the prosthodontic outcome of posterior extension bridges on tilted implants. Patients and Methods: A total of 33 consecutive patients with severely resorbed edentulous maxillas participated in the study. In these patients, the maxillary bone volumes were insufficient for conventional placement of implants to support a fixed prosthesis. As an alternative to bone transplantation, a surgical technique with fenestration of the maxillary sinus to visualize the total amount of maxillary bone was used, followed by implant placement in a tilted manner along the anterior maxillary sinus wall. Thus, 4 to 6 implants of optimal length could be installed in each patient. Nineteen patients were included in this long-term follow-up study and were eligible for clinical evaluation at 8 to 12 years (mean, 10 years) after second-stage surgery. Each patient was examined clinically and radiographically. Results: The 19 patients had a total of 103 implants. In 2 of these patients, 3 fixtures were lost during the first year after second-stage surgery. All other patients had all implants intact with functionally fixed dental prostheses, corresponding to a success rate of 97%. Radiographic examination showed bone resorption in 10% of the implants (10 implants in 5 patients with a total number of 27 implants), with a mean bone loss of 1.2 mm. Mucositis was seen in 47% of the patients. Conclusions: This long-term follow-up study (mean time, 10 years) demonstrates that patients with a severely resorbed maxilla can be treated successfully with conventional implant treatment. This simplified surgical technique can be an alternative to the more resource-demanding technique with bone grafting.</div></front></TEI><affiliations><list><country><li>Suède</li></country></list><tree><country name="Suède"><noRegion><name sortKey="Rosen, Annika" sort="Rosen, Annika" uniqKey="Rosen A" first="Annika" last="Rosen">Annika Rosen</name></noRegion><name sortKey="Gynther, Goran" sort="Gynther, Goran" uniqKey="Gynther G" first="Goran" last="Gynther">Goran Gynther</name><name sortKey="Gynther, Goran" sort="Gynther, Goran" uniqKey="Gynther G" first="Goran" last="Gynther">Goran Gynther</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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