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Release of Bone Markers in Immediately Loaded and Nonloaded Dental Implants

Identifieur interne : 001812 ( Pmc/Checkpoint ); précédent : 001811; suivant : 001813

Release of Bone Markers in Immediately Loaded and Nonloaded Dental Implants

Auteurs : A. J. Prati [Brésil] ; M. Z. Casati [Brésil] ; F. V. Ribeiro [Brésil] ; F. R. Cirano [Brésil] ; G. P. Pastore [Brésil] ; S. P. Pimentel [Brésil] ; R. C. V. Casarin [Brésil]

Source :

RBID : PMC:3860065

Abstract

The aim of this study was to compare the release of bone markers during osseointegration of immediately loaded and nonloaded implants. Forty patients who were indicated for rehabilitation with dental implants randomly received either implant and prosthesis placement within 72 hours (group IM) or implant insertion and no prosthesis placement (group NL). Peri-implant crevicular fluid was collected immediately after implant insertion and 7, 15, 30, 60, 90, and 120 days after surgery and levels of osteoprotegerin, transforming growth factors, osteocalcin, osteopontin, and parathyroid hormone were evaluated using Luminex assay. Bleeding index and peri-implantar sulcus depth were also evaluated. The data were compared using statistical tests (α = 5%). No statistical difference was found regarding demographic and clinical parameters (p > .05). Transforming growth factors, osteoprotegerin, osteopontin, and parathyroid hormone presented an earlier release peak in group IM than in NL group (p < .05). Osteocalcin achieved higher levels in group IM versus group NL between 7 and 30 days of evaluation (p < .05). It may be concluded that earlier loading positively modulates bone mediators release around immediately loaded implants when compared with nonloaded dental implants (ClinicalTrials.gov NCT01909999).


Url:
DOI: 10.1177/0022034513504951
PubMed: 24158337
PubMed Central: 3860065


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PMC:3860065

Le document en format XML

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<p>The aim of this study was to compare the release of bone markers during osseointegration of immediately loaded and nonloaded implants. Forty patients who were indicated for rehabilitation with dental implants randomly received either implant and prosthesis placement within 72 hours (group IM) or implant insertion and no prosthesis placement (group NL). Peri-implant crevicular fluid was collected immediately after implant insertion and 7, 15, 30, 60, 90, and 120 days after surgery and levels of osteoprotegerin, transforming growth factors, osteocalcin, osteopontin, and parathyroid hormone were evaluated using Luminex assay. Bleeding index and peri-implantar sulcus depth were also evaluated. The data were compared using statistical tests (
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<name>
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<xref ref-type="aff" rid="aff2-0022034513504951">2</xref>
<xref ref-type="corresp" rid="corresp1-0022034513504951">*</xref>
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Division of Maxillofacial Surgery, Paulista University, Sao Paulo, Brazil</aff>
<aff id="aff2-0022034513504951">
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Division of Periodontics, Paulista University, Sao Paulo, Brazil</aff>
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<issue>12 Suppl</issue>
<issue-title>Clinical Research Supplement on Implant Dentistry</issue-title>
<fpage>161S</fpage>
<lpage>167S</lpage>
<permissions>
<copyright-statement>© International & American Associations for Dental Research</copyright-statement>
<copyright-year>2013</copyright-year>
<copyright-holder content-type="society">International & American Associations for Dental Research</copyright-holder>
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<abstract>
<p>The aim of this study was to compare the release of bone markers during osseointegration of immediately loaded and nonloaded implants. Forty patients who were indicated for rehabilitation with dental implants randomly received either implant and prosthesis placement within 72 hours (group IM) or implant insertion and no prosthesis placement (group NL). Peri-implant crevicular fluid was collected immediately after implant insertion and 7, 15, 30, 60, 90, and 120 days after surgery and levels of osteoprotegerin, transforming growth factors, osteocalcin, osteopontin, and parathyroid hormone were evaluated using Luminex assay. Bleeding index and peri-implantar sulcus depth were also evaluated. The data were compared using statistical tests (
<italic>α</italic>
= 5%). No statistical difference was found regarding demographic and clinical parameters (
<italic>p</italic>
> .05). Transforming growth factors, osteoprotegerin, osteopontin, and parathyroid hormone presented an earlier release peak in group IM than in NL group (
<italic>p</italic>
< .05). Osteocalcin achieved higher levels in group IM
<italic>versus</italic>
group NL between 7 and 30 days of evaluation (
<italic>p</italic>
< .05). It may be concluded that earlier loading positively modulates bone mediators release around immediately loaded implants when compared with nonloaded dental implants (ClinicalTrials.gov NCT01909999).</p>
</abstract>
<kwd-group>
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<kwd>edentulous jaws</kwd>
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