Peri-Implant Tissue Findings in Bone Grafted Oral Cancer Patients Compared to non Bone Grafted Patients without Oral Cancer
Identifieur interne : 000835 ( Ncbi/Checkpoint ); précédent : 000834; suivant : 000836Peri-Implant Tissue Findings in Bone Grafted Oral Cancer Patients Compared to non Bone Grafted Patients without Oral Cancer
Auteurs : Jan Wolff ; Hideki Agata ; George K. Sándor ; Suvi HaimiSource :
- Journal of Oral & Maxillofacial Research [ 2029-283X ] ; 2012.
Abstract
The aim of this study was to compare microbiological, histological, and mechanical findings from tissues around osseointergrated dental implants in patients who had undergone tumour resection and subsequent bone grafting with non bone grafted patients without a history of oral cancer and to develop an effective tool for the monitoring of the peri-implant tissues. A third aim was to assess and compare the masticatory function of the two patient groups after reconstruction with dental implants.
A total of 20 patients were divided into 2 groups. The first group was edentulous and treated with dental implants without the need for bone grafting. The second edentulous group, with a history of oral cancer involving the mandible, received onlay bone grafts with concurrent placement of dental implants. Microbiological, histological, mechanical and biochemical assessment methods, crevicular fluid flow rate, hygiene-index, implant mobility, and the masticatory function were analysed and compared in both patient groups.
The microbiological examinations showed no evidence of the three most common
pathogenic bacteria:
The crevicular fluid volume and grade of gingival inflammation around the dental implants were related. Peri-implant tissue findings were similar in the two patient groups despite the history of oral cancer and the need for bone grafting at the time of dental implant placement.
Url:
DOI: 10.5037/jomr.2011.2402
PubMed: 24421999
PubMed Central: 3886081
Affiliations:
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<author><name sortKey="Wolff, Jan" sort="Wolff, Jan" uniqKey="Wolff J" first="Jan" last="Wolff">Jan Wolff</name>
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<author><name sortKey="Agata, Hideki" sort="Agata, Hideki" uniqKey="Agata H" first="Hideki" last="Agata">Hideki Agata</name>
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<author><name sortKey="Sandor, George K" sort="Sandor, George K" uniqKey="Sandor G" first="George K." last="Sándor">George K. Sándor</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Peri-Implant Tissue Findings in Bone Grafted Oral Cancer Patients Compared to non Bone Grafted Patients without Oral Cancer</title>
<author><name sortKey="Wolff, Jan" sort="Wolff, Jan" uniqKey="Wolff J" first="Jan" last="Wolff">Jan Wolff</name>
<affiliation><nlm:aff id="aff1"><institution>Oral and Maxillofacial Unit, University of Tampere</institution>
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<author><name sortKey="Agata, Hideki" sort="Agata, Hideki" uniqKey="Agata H" first="Hideki" last="Agata">Hideki Agata</name>
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<addr-line>Tokyo</addr-line>
<country>Japan.</country>
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<wicri:noCountry code="nlm country">Japan.</wicri:noCountry>
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<author><name sortKey="Sandor, George K" sort="Sandor, George K" uniqKey="Sandor G" first="George K." last="Sándor">George K. Sándor</name>
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<wicri:noCountry code="nlm country">Finland.</wicri:noCountry>
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<author><name sortKey="Haimi, Suvi" sort="Haimi, Suvi" uniqKey="Haimi S" first="Suvi" last="Haimi">Suvi Haimi</name>
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<series><title level="j">Journal of Oral & Maxillofacial Research</title>
<idno type="eISSN">2029-283X</idno>
<imprint><date when="2012">2012</date>
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<front><div type="abstract" xml:lang="en"><title>ABSTRACT</title>
<sec sec-type="objectives"><title>Objectives</title>
<p>The aim of this study was to compare microbiological, histological, and
mechanical findings from tissues around osseointergrated dental implants in
patients who had undergone tumour resection and subsequent bone grafting
with non bone grafted patients without a history of oral cancer and to
develop an effective tool for the monitoring of the peri-implant tissues. A
third aim was to assess and compare the masticatory function of the two
patient groups after reconstruction with dental implants.</p>
</sec>
<sec sec-type="material and methods"><title>Material and Methods</title>
<p>A total of 20 patients were divided into 2 groups. The first group was
edentulous and treated with dental implants without the need for bone
grafting. The second edentulous group, with a history of oral cancer
involving the mandible, received onlay bone grafts with concurrent placement
of dental implants. Microbiological, histological, mechanical and
biochemical assessment methods, crevicular fluid flow rate, hygiene-index,
implant mobility, and the masticatory function were analysed and compared in
both patient groups.</p>
</sec>
<sec sec-type="results"><title>Results</title>
<p>The microbiological examinations showed no evidence of the three most common
pathogenic bacteria: <italic>Porphyromonas gingivalis</italic>
, <italic>Prevotella intermedius</italic>
,
<italic>Actinobacillus actinomycetencomitans</italic>
. A causal relationship between specific
microbes and peri-implant inflammation could not be found. All biopsies in
both patient groups revealed early signs of soft tissue peri-implant
inflammation.</p>
</sec>
<sec sec-type="conclusions"><title>Conclusions</title>
<p>The crevicular fluid volume and grade of gingival inflammation around the
dental implants were related. Peri-implant tissue findings were similar in
the two patient groups despite the history of oral cancer and the need for
bone grafting at the time of dental implant placement.</p>
</sec>
</div>
</front>
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<tree><noCountry><name sortKey="Agata, Hideki" sort="Agata, Hideki" uniqKey="Agata H" first="Hideki" last="Agata">Hideki Agata</name>
<name sortKey="Haimi, Suvi" sort="Haimi, Suvi" uniqKey="Haimi S" first="Suvi" last="Haimi">Suvi Haimi</name>
<name sortKey="Sandor, George K" sort="Sandor, George K" uniqKey="Sandor G" first="George K." last="Sándor">George K. Sándor</name>
<name sortKey="Wolff, Jan" sort="Wolff, Jan" uniqKey="Wolff J" first="Jan" last="Wolff">Jan Wolff</name>
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