Annual bone loss and success rates of dental implants based on radiographic measurements
Identifieur interne : 001C88 ( Main/Exploration ); précédent : 001C87; suivant : 001C89Annual bone loss and success rates of dental implants based on radiographic measurements
Auteurs : W. Geraets ; L. Zhang ; Y. Liu ; D. WismeijerSource :
- Dentomaxillofacial Radiology [ 0250-832X ] ; 2014.
Abstract
Bone loss around dental implants is generally measured by monitoring changes in marginal bone level using radiographs. After the first year of implantation, an implant should have <0.2 mm annual loss of marginal bone level to satisfy the criteria of success. However, the process of measuring marginal bone level on radiographs has a precision of 0.2 mm (or more) owing to variations in exposure geometry, exposure time and observer perception. Therefore, the value of the annual loss may vary considerably, especially when short intervals are considered. This study investigates how the success rate of dental implants depends on the way annual bone loss is calculated.
Panoramic radiographs of 82 implant patients with an average follow-up of 10.4 years were analysed. Marginal bone levels near the implants were indicated by one observer. The annual loss of marginal bone level was determined according to four different calculation methods.
The methods yielded success rates of 9%, 45%, 81% and 89%.
The success rate of dental implants measured on radiographs greatly depends on the details of the calculation method. Without rigorous standardization, annual bone loss and implant success rate are not well defined.
Url:
DOI: 10.1259/dmfr.20140007
PubMed: 25030551
PubMed Central: 4170845
Affiliations:
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Wismeijer</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PMC</idno><idno type="pmid">25030551</idno><idno type="pmc">4170845</idno><idno type="url">http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4170845</idno><idno type="RBID">PMC:4170845</idno><idno type="doi">10.1259/dmfr.20140007</idno><date when="2014">2014</date><idno type="wicri:Area/Pmc/Corpus">002314</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Corpus" wicri:corpus="PMC">002314</idno><idno type="wicri:Area/Pmc/Curation">002314</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Curation">002314</idno><idno type="wicri:Area/Pmc/Checkpoint">001616</idno><idno type="wicri:explorRef" wicri:stream="Pmc" wicri:step="Checkpoint">001616</idno><idno type="wicri:Area/Ncbi/Merge">005297</idno><idno type="wicri:Area/Ncbi/Curation">005297</idno><idno type="wicri:Area/Ncbi/Checkpoint">005297</idno><idno type="wicri:doubleKey">0250-832X:2014:Geraets W:annual:bone:loss</idno><idno type="wicri:Area/Main/Merge">001C95</idno><idno type="wicri:Area/Main/Curation">001C88</idno><idno type="wicri:Area/Main/Exploration">001C88</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a" type="main">Annual bone loss and success rates of dental implants based on radiographic measurements</title><author><name sortKey="Geraets, W" sort="Geraets, W" uniqKey="Geraets W" first="W" last="Geraets">W. Geraets</name><affiliation><nlm:aff id="aff1"></nlm:aff></affiliation></author><author><name sortKey="Zhang, L" sort="Zhang, L" uniqKey="Zhang L" first="L" last="Zhang">L. Zhang</name><affiliation><nlm:aff id="aff2"></nlm:aff></affiliation></author><author><name sortKey="Liu, Y" sort="Liu, Y" uniqKey="Liu Y" first="Y" last="Liu">Y. Liu</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author><author><name sortKey="Wismeijer, D" sort="Wismeijer, D" uniqKey="Wismeijer D" first="D" last="Wismeijer">D. Wismeijer</name><affiliation><nlm:aff id="aff3"></nlm:aff></affiliation></author></analytic><series><title level="j">Dentomaxillofacial Radiology</title><idno type="ISSN">0250-832X</idno><idno type="eISSN">1476-542X</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><sec><title>Objectives:</title><p>Bone loss around dental implants is generally measured by monitoring changes in marginal bone level using radiographs. After the first year of implantation, an implant should have <0.2 mm annual loss of marginal bone level to satisfy the criteria of success. However, the process of measuring marginal bone level on radiographs has a precision of 0.2 mm (or more) owing to variations in exposure geometry, exposure time and observer perception. Therefore, the value of the annual loss may vary considerably, especially when short intervals are considered. This study investigates how the success rate of dental implants depends on the way annual bone loss is calculated.</p></sec><sec><title>Methods:</title><p>Panoramic radiographs of 82 implant patients with an average follow-up of 10.4 years were analysed. Marginal bone levels near the implants were indicated by one observer. The annual loss of marginal bone level was determined according to four different calculation methods.</p></sec><sec><title>Results:</title><p>The methods yielded success rates of 9%, 45%, 81% and 89%.</p></sec><sec><title>Conclusions:</title><p>The success rate of dental implants measured on radiographs greatly depends on the details of the calculation method. Without rigorous standardization, annual bone loss and implant success rate are not well defined.</p></sec></div></front></TEI><affiliations><list></list><tree><noCountry><name sortKey="Geraets, W" sort="Geraets, W" uniqKey="Geraets W" first="W" last="Geraets">W. Geraets</name><name sortKey="Liu, Y" sort="Liu, Y" uniqKey="Liu Y" first="Y" last="Liu">Y. Liu</name><name sortKey="Wismeijer, D" sort="Wismeijer, D" uniqKey="Wismeijer D" first="D" last="Wismeijer">D. Wismeijer</name><name sortKey="Zhang, L" sort="Zhang, L" uniqKey="Zhang L" first="L" last="Zhang">L. Zhang</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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