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Article: Early loading of single crowns supported by 6-mm-long implants with a moderately rough surface: A prospective 2-year follow-up cohort study
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TitleEarly loading of single crowns supported by 6-mm-long implants with a moderately rough surface: A prospective 2-year follow-up cohort study
 
AuthorsRossi, F
Ricci, E2
Marchetti, C2
Lang, NP3
Botticelli, D1 4
 
Issue Date2010
 
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
 
CitationClinical Oral Implants Research, 2010, v. 21 n. 9, p. 937-943 [How to Cite?]
DOI: http://dx.doi.org/10.1111/j.1600-0501.2010.01942.x
 
AbstractAim: To evaluate prospectively the clinical and radiographic outcomes after 2 years of loading of 6 mm long moderately rough implants supporting single crowns in the posterior regions. Material and methods: Forty SLActive Straumann ® short (6 mm) implants were placed in 35 consecutively treated patients. Nineteen implants, 4.1 mm in diameter, and 21 implants, 4.8 mm in diameter, were installed. Implants were loaded after 6 weeks of healing. Implant survival rate, marginal bone loss and resonance frequency analysis (RFA) were evaluated at different intervals. The clinical crown/implant ratio was also calculated. Results: Two out of 40 implants were lost before loading. Hence, the survival rate before loading was 95%. No further technical or biological complications were encountered during the 2-year follow-up. The mean marginal bone loss before loading was 0.34±0.38 mm. After loading, the mean marginal bone loss was 0.23±0.33 and 0.21±0.39 mm at the 1- and 2-year follow-ups. The RFA values increased between insertion (70.2±9) and the 6-week evaluation (74.8±6.1). The clinical crown/implant ratio increased with time from 1.5 at the delivery of the prosthesis to 1.8 after 2 years of loading. Conclusion: Short implants (6 mm) with a moderately rough surface loaded early (after 6 weeks) during healing yielded high implant survival rates and moderate loss of bone after 2 years of loading. Longer observation periods are needed to draw more definite conclusions on the reliability of short implants supporting single crowns. © 2010 John Wiley & Sons A/S.
 
ISSN0905-7161
2013 Impact Factor: 3.123
 
DOIhttp://dx.doi.org/10.1111/j.1600-0501.2010.01942.x
 
ISI Accession Number IDWOS:000280630200009
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorRossi, F
 
dc.contributor.authorRicci, E
 
dc.contributor.authorMarchetti, C
 
dc.contributor.authorLang, NP
 
dc.contributor.authorBotticelli, D
 
dc.date.accessioned2012-08-08T08:26:33Z
 
dc.date.available2012-08-08T08:26:33Z
 
dc.date.issued2010
 
dc.description.abstractAim: To evaluate prospectively the clinical and radiographic outcomes after 2 years of loading of 6 mm long moderately rough implants supporting single crowns in the posterior regions. Material and methods: Forty SLActive Straumann ® short (6 mm) implants were placed in 35 consecutively treated patients. Nineteen implants, 4.1 mm in diameter, and 21 implants, 4.8 mm in diameter, were installed. Implants were loaded after 6 weeks of healing. Implant survival rate, marginal bone loss and resonance frequency analysis (RFA) were evaluated at different intervals. The clinical crown/implant ratio was also calculated. Results: Two out of 40 implants were lost before loading. Hence, the survival rate before loading was 95%. No further technical or biological complications were encountered during the 2-year follow-up. The mean marginal bone loss before loading was 0.34±0.38 mm. After loading, the mean marginal bone loss was 0.23±0.33 and 0.21±0.39 mm at the 1- and 2-year follow-ups. The RFA values increased between insertion (70.2±9) and the 6-week evaluation (74.8±6.1). The clinical crown/implant ratio increased with time from 1.5 at the delivery of the prosthesis to 1.8 after 2 years of loading. Conclusion: Short implants (6 mm) with a moderately rough surface loaded early (after 6 weeks) during healing yielded high implant survival rates and moderate loss of bone after 2 years of loading. Longer observation periods are needed to draw more definite conclusions on the reliability of short implants supporting single crowns. © 2010 John Wiley & Sons A/S.
 
dc.description.natureLink_to_subscribed_fulltext
 
dc.identifier.citationClinical Oral Implants Research, 2010, v. 21 n. 9, p. 937-943 [How to Cite?]
DOI: http://dx.doi.org/10.1111/j.1600-0501.2010.01942.x
 
dc.identifier.citeulike7604532
 
dc.identifier.doihttp://dx.doi.org/10.1111/j.1600-0501.2010.01942.x
 
dc.identifier.epage943
 
dc.identifier.hkuros182856
 
dc.identifier.isiWOS:000280630200009
 
dc.identifier.issn0905-7161
2013 Impact Factor: 3.123
 
dc.identifier.issue9
 
dc.identifier.pmid20701620
 
dc.identifier.scopuseid_2-s2.0-77955358405
 
dc.identifier.spage937
 
dc.identifier.urihttp://hdl.handle.net/10722/154625
 
dc.identifier.volume21
 
dc.languageeng
 
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
 
dc.publisher.placeUnited States
 
dc.relation.ispartofClinical Oral Implants Research
 
dc.relation.referencesReferences in Scopus
 
dc.subject.meshAdult
 
dc.subject.meshAged
 
dc.subject.meshAlveolar Bone Loss - Classification - Radiography
 
dc.subject.meshBite Force
 
dc.subject.meshCohort Studies
 
dc.subject.meshCrowns
 
dc.subject.meshDental Abutments
 
dc.subject.meshDental Implants
 
dc.subject.meshDental Prosthesis Design
 
dc.subject.meshDental Prosthesis, Implant-Supported
 
dc.subject.meshDental Restoration Failure
 
dc.subject.meshElasticity Imaging Techniques
 
dc.subject.meshFemale
 
dc.subject.meshFollow-Up Studies
 
dc.subject.meshHumans
 
dc.subject.meshMale
 
dc.subject.meshMiddle Aged
 
dc.subject.meshOsseointegration - Physiology
 
dc.subject.meshPeriodontal Index
 
dc.subject.meshProspective Studies
 
dc.subject.meshSurface Properties
 
dc.subject.meshSurvival Analysis
 
dc.subject.meshTreatment Outcome
 
dc.titleEarly loading of single crowns supported by 6-mm-long implants with a moderately rough surface: A prospective 2-year follow-up cohort study
 
dc.typeArticle
 
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<description.abstract>Aim: To evaluate prospectively the clinical and radiographic outcomes after 2 years of loading of 6 mm long moderately rough implants supporting single crowns in the posterior regions. Material and methods: Forty SLActive Straumann &#174; short (6 mm) implants were placed in 35 consecutively treated patients. Nineteen implants, 4.1 mm in diameter, and 21 implants, 4.8 mm in diameter, were installed. Implants were loaded after 6 weeks of healing. Implant survival rate, marginal bone loss and resonance frequency analysis (RFA) were evaluated at different intervals. The clinical crown/implant ratio was also calculated. Results: Two out of 40 implants were lost before loading. Hence, the survival rate before loading was 95%. No further technical or biological complications were encountered during the 2-year follow-up. The mean marginal bone loss before loading was 0.34&#177;0.38 mm. After loading, the mean marginal bone loss was 0.23&#177;0.33 and 0.21&#177;0.39 mm at the 1- and 2-year follow-ups. The RFA values increased between insertion (70.2&#177;9) and the 6-week evaluation (74.8&#177;6.1). The clinical crown/implant ratio increased with time from 1.5 at the delivery of the prosthesis to 1.8 after 2 years of loading. Conclusion: Short implants (6 mm) with a moderately rough surface loaded early (after 6 weeks) during healing yielded high implant survival rates and moderate loss of bone after 2 years of loading. Longer observation periods are needed to draw more definite conclusions on the reliability of short implants supporting single crowns. &#169; 2010 John Wiley &amp; Sons A/S.</description.abstract>
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Author Affiliations
  1. UNESP-Universidade Estadual Paulista
  2. Alma Mater Studiorum Università di Bologna
  3. Prince Philip Dental Hospital
  4. ARDEC