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Article: Dimensional ridge alterations following immediate implant placement in molar extraction sites: A six-month prospective cohort study with surgical re-entry
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TitleDimensional ridge alterations following immediate implant placement in molar extraction sites: A six-month prospective cohort study with surgical re-entry
 
AuthorsMatarasso, S1
Salvi, GE3
Iorio Siciliano, V1
Cafiero, C1
Blasi, A1
Lang, NP2
 
Issue Date2009
 
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
 
CitationClinical Oral Implants Research, 2009, v. 20 n. 10, p. 1092-1098 [How to Cite?]
DOI: http://dx.doi.org/10.1111/j.1600-0501.2009.01803.x
 
AbstractAim: To assess dimensional ridge alterations following immediate implant placement in molar extraction sites. Material and methods: Twelve subjects received 12 immediate transmucosal implants in molar extraction sites. Peri-implant defects were treated according to the principles of Guided Bone Regeneration by means of a deproteinized bone substitute and a bioresorbable collagen membrane. Changes in vertical (IS-BD, CREST-BD) and horizontal distances (EC-I, IC-I) of alveolar bony walls to the bottom of the defects (BD) and to the implant surfaces (I) were compared between implant placement and surgical re-entry at 6 months. Results: The implant survival rate at 6 months was 100%. Statistically significant differences (P<0.01) were observed in the mean changes in vertical distances IS-BD and CREST-BD between baseline and re-entry. At re-entry, all peri-implant marginal defects assessed from the internal socket wall to the implant surface (IC-I) were healed. The residual combined thickness of the buccal wall with the newly formed peri-implant bone at sites with an initial thickness of 1 mm was statistically significantly smaller (P<0.05) compared with that of sites with an initial buccal thickness of 2 mm (2.50 ± 0.76 vs. 4±0 mm). Conclusions: The marginal defects around immediate implants placed in molar extraction sites were completely filled after 6 months of healing through de novo bone formation. Bone resorption was observed from the external aspects of the buccal and oral socket walls. Dimensional changes of the external socket walls were mostly pronounced at the buccal aspects. © 2009 John Wiley & Sons A/S.
 
ISSN0905-7161
2013 Impact Factor: 3.123
 
DOIhttp://dx.doi.org/10.1111/j.1600-0501.2009.01803.x
 
ISI Accession Number IDWOS:000269674300005
Funding AgencyGrant Number
Thommen Medical AG, Waldenburg, Switzerland
Gesitlich Biomaterials, Wolhusen, Switzerland
Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz, Switzerland
Funding Information:

The study was supported by Thommen Medical AG, Waldenburg, Switzerland, by Gesitlich Biomaterials, Wolhusen, Switzerland, and by the Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz, Switzerland. The authors thank Mr U. Iff for the schematic illustrations. Conflicts of interest: none declared.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorMatarasso, S
 
dc.contributor.authorSalvi, GE
 
dc.contributor.authorIorio Siciliano, V
 
dc.contributor.authorCafiero, C
 
dc.contributor.authorBlasi, A
 
dc.contributor.authorLang, NP
 
dc.date.accessioned2012-08-08T08:26:20Z
 
dc.date.available2012-08-08T08:26:20Z
 
dc.date.issued2009
 
dc.description.abstractAim: To assess dimensional ridge alterations following immediate implant placement in molar extraction sites. Material and methods: Twelve subjects received 12 immediate transmucosal implants in molar extraction sites. Peri-implant defects were treated according to the principles of Guided Bone Regeneration by means of a deproteinized bone substitute and a bioresorbable collagen membrane. Changes in vertical (IS-BD, CREST-BD) and horizontal distances (EC-I, IC-I) of alveolar bony walls to the bottom of the defects (BD) and to the implant surfaces (I) were compared between implant placement and surgical re-entry at 6 months. Results: The implant survival rate at 6 months was 100%. Statistically significant differences (P<0.01) were observed in the mean changes in vertical distances IS-BD and CREST-BD between baseline and re-entry. At re-entry, all peri-implant marginal defects assessed from the internal socket wall to the implant surface (IC-I) were healed. The residual combined thickness of the buccal wall with the newly formed peri-implant bone at sites with an initial thickness of 1 mm was statistically significantly smaller (P<0.05) compared with that of sites with an initial buccal thickness of 2 mm (2.50 ± 0.76 vs. 4±0 mm). Conclusions: The marginal defects around immediate implants placed in molar extraction sites were completely filled after 6 months of healing through de novo bone formation. Bone resorption was observed from the external aspects of the buccal and oral socket walls. Dimensional changes of the external socket walls were mostly pronounced at the buccal aspects. © 2009 John Wiley & Sons A/S.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citationClinical Oral Implants Research, 2009, v. 20 n. 10, p. 1092-1098 [How to Cite?]
DOI: http://dx.doi.org/10.1111/j.1600-0501.2009.01803.x
 
dc.identifier.citeulike5786640
 
dc.identifier.doihttp://dx.doi.org/10.1111/j.1600-0501.2009.01803.x
 
dc.identifier.epage1098
 
dc.identifier.isiWOS:000269674300005
Funding AgencyGrant Number
Thommen Medical AG, Waldenburg, Switzerland
Gesitlich Biomaterials, Wolhusen, Switzerland
Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz, Switzerland
Funding Information:

The study was supported by Thommen Medical AG, Waldenburg, Switzerland, by Gesitlich Biomaterials, Wolhusen, Switzerland, and by the Clinical Research Foundation (CRF) for the Promotion of Oral Health, Brienz, Switzerland. The authors thank Mr U. Iff for the schematic illustrations. Conflicts of interest: none declared.

 
dc.identifier.issn0905-7161
2013 Impact Factor: 3.123
 
dc.identifier.issue10
 
dc.identifier.pmid19719737
 
dc.identifier.scopuseid_2-s2.0-70249107770
 
dc.identifier.spage1092
 
dc.identifier.urihttp://hdl.handle.net/10722/154585
 
dc.identifier.volume20
 
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.meshAlveolar Bone Loss - Prevention & Control
 
dc.subject.meshAlveolar Process - Physiology
 
dc.subject.meshAlveolar Ridge Augmentation - Methods
 
dc.subject.meshBone Regeneration - Physiology
 
dc.subject.meshCohort Studies
 
dc.subject.meshCrowns
 
dc.subject.meshDental Implantation, Endosseous - Adverse Effects - Methods
 
dc.subject.meshDental Implants, Single-Tooth
 
dc.subject.meshDental Prosthesis, Implant-Supported
 
dc.subject.meshFemale
 
dc.subject.meshFollow-Up Studies
 
dc.subject.meshGuided Tissue Regeneration, Periodontal - Methods
 
dc.subject.meshHumans
 
dc.subject.meshMale
 
dc.subject.meshMiddle Aged
 
dc.subject.meshMolar - Surgery
 
dc.subject.meshOsseointegration
 
dc.subject.meshProspective Studies
 
dc.subject.meshTime Factors
 
dc.subject.meshTooth Extraction - Adverse Effects
 
dc.subject.meshTooth Socket - Surgery
 
dc.subject.meshTreatment Outcome
 
dc.titleDimensional ridge alterations following immediate implant placement in molar extraction sites: A six-month prospective cohort study with surgical re-entry
 
dc.typeArticle
 
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<contributor.author>Blasi, A</contributor.author>
<contributor.author>Lang, NP</contributor.author>
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<description.abstract>Aim: To assess dimensional ridge alterations following immediate implant placement in molar extraction sites. Material and methods: Twelve subjects received 12 immediate transmucosal implants in molar extraction sites. Peri-implant defects were treated according to the principles of Guided Bone Regeneration by means of a deproteinized bone substitute and a bioresorbable collagen membrane. Changes in vertical (IS-BD, CREST-BD) and horizontal distances (EC-I, IC-I) of alveolar bony walls to the bottom of the defects (BD) and to the implant surfaces (I) were compared between implant placement and surgical re-entry at 6 months. Results: The implant survival rate at 6 months was 100%. Statistically significant differences (P&lt;0.01) were observed in the mean changes in vertical distances IS-BD and CREST-BD between baseline and re-entry. At re-entry, all peri-implant marginal defects assessed from the internal socket wall to the implant surface (IC-I) were healed. The residual combined thickness of the buccal wall with the newly formed peri-implant bone at sites with an initial thickness of 1 mm was statistically significantly smaller (P&lt;0.05) compared with that of sites with an initial buccal thickness of 2 mm (2.50 &#177; 0.76 vs. 4&#177;0 mm). Conclusions: The marginal defects around immediate implants placed in molar extraction sites were completely filled after 6 months of healing through de novo bone formation. Bone resorption was observed from the external aspects of the buccal and oral socket walls. Dimensional changes of the external socket walls were mostly pronounced at the buccal aspects. &#169; 2009 John Wiley &amp; Sons A/S.</description.abstract>
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Author Affiliations
  1. Università degli Studi di Napoli Federico II
  2. Prince Philip Dental Hospital
  3. Universität Bern