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Article: Patterns of tissue remodeling after placement of ITI® dental implants using an osteotome technique: A longitudinal radiographic case cohort study

TitlePatterns of tissue remodeling after placement of ITI® dental implants using an osteotome technique: A longitudinal radiographic case cohort study
Authors
Issue Date2004
PublisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLR
Citation
Clinical Oral Implants Research, 2004, v. 15 n. 2, p. 158-166 How to Cite?
AbstractThe aim of this prospective study was to document radiographically tissue remodeling patterns around ITI® implants placed according to an osteotome technique. In 19 consecutive patients from a private practice, 25 implants of the ITI® Dental Implant System were placed subjacent to the sinus floor. Implant beds were pre-prepared with pilot drills and/or using the Summers Osteotome Kit®. Bio Oss® particles were mixed with autologous bone and inserted into the apex area. Implants were placed self-tapping. The sinus floors were thereby pushed up with attempts not to sever the Schneiderian membrane. Healing occurred submerged or semi-submerged and was uneventful in 24/25 implants. At 1 year, all implants had been restored with crowns or short fixed partial dentures. One implant was lost in the first 3 weeks, but was replaced 6 months later in a second attempt. Intraoral radiographs were obtained presurgically and postsurgically at 3 and 12 months. The mean preoperative distance between the sinus floor and the crest was 7.0 mm (range 2.3-10.3 mm). The mean distances between the implant apex and the initial sinus floor were: 3.66 ± 1.74 mm mesially and 4.44 ± 1.62 mm distally. The mean height of the new bone reaching apically and mesially to the implants was 1.52 ± 2.48 mm at surgery, but was reduced significantly to 1.24 ± 1.30 mm at 3 months and 0.29 ± 1.91 mm after 12 months (Hotelling's test P ≤ 0.01). Similar values were obtained at the disto-apical aspects. In an attempt to assess periapical bone/graft remodeling, a novel index was applied: 0 = no bone/ graft visible, 1 = cloudy appearance of new bone/graft, 2 = clearly visible new bone/graft disappearing structures of original sinus floor, 3 = new bone/graft with new cortical plate and the former boundary of the sinus floor disappearing. This index increased statistically significantly from baseline to 12 months (Hotelling's test P ≤ 0.02). In conclusion, this study shows that in areas with reduced bone height subjacent to the sinus, an osteotome technique may provide a minimally invasive way to obtain implant abutments predictably. The grafted area apical to the implants undergoes shrinkage and remodeling. The original boundary of the sinus is eventually consolidated and replaced by a new cortical plate. In addition to the linear measurements, the novel index may assist in assessing periapical remodeling at implants placed with an osteotome technique.
Persistent Identifierhttp://hdl.handle.net/10722/154285
ISSN
2015 Impact Factor: 3.464
2015 SCImago Journal Rankings: 1.427
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorBrägger, Uen_US
dc.contributor.authorGerber, Cen_US
dc.contributor.authorJoss, Aen_US
dc.contributor.authorHaenni, Sen_US
dc.contributor.authorMeier, Aen_US
dc.contributor.authorHashorva, Een_US
dc.contributor.authorLang, NPen_US
dc.date.accessioned2012-08-08T08:24:24Z-
dc.date.available2012-08-08T08:24:24Z-
dc.date.issued2004en_US
dc.identifier.citationClinical Oral Implants Research, 2004, v. 15 n. 2, p. 158-166en_US
dc.identifier.issn0905-7161en_US
dc.identifier.urihttp://hdl.handle.net/10722/154285-
dc.description.abstractThe aim of this prospective study was to document radiographically tissue remodeling patterns around ITI® implants placed according to an osteotome technique. In 19 consecutive patients from a private practice, 25 implants of the ITI® Dental Implant System were placed subjacent to the sinus floor. Implant beds were pre-prepared with pilot drills and/or using the Summers Osteotome Kit®. Bio Oss® particles were mixed with autologous bone and inserted into the apex area. Implants were placed self-tapping. The sinus floors were thereby pushed up with attempts not to sever the Schneiderian membrane. Healing occurred submerged or semi-submerged and was uneventful in 24/25 implants. At 1 year, all implants had been restored with crowns or short fixed partial dentures. One implant was lost in the first 3 weeks, but was replaced 6 months later in a second attempt. Intraoral radiographs were obtained presurgically and postsurgically at 3 and 12 months. The mean preoperative distance between the sinus floor and the crest was 7.0 mm (range 2.3-10.3 mm). The mean distances between the implant apex and the initial sinus floor were: 3.66 ± 1.74 mm mesially and 4.44 ± 1.62 mm distally. The mean height of the new bone reaching apically and mesially to the implants was 1.52 ± 2.48 mm at surgery, but was reduced significantly to 1.24 ± 1.30 mm at 3 months and 0.29 ± 1.91 mm after 12 months (Hotelling's test P ≤ 0.01). Similar values were obtained at the disto-apical aspects. In an attempt to assess periapical bone/graft remodeling, a novel index was applied: 0 = no bone/ graft visible, 1 = cloudy appearance of new bone/graft, 2 = clearly visible new bone/graft disappearing structures of original sinus floor, 3 = new bone/graft with new cortical plate and the former boundary of the sinus floor disappearing. This index increased statistically significantly from baseline to 12 months (Hotelling's test P ≤ 0.02). In conclusion, this study shows that in areas with reduced bone height subjacent to the sinus, an osteotome technique may provide a minimally invasive way to obtain implant abutments predictably. The grafted area apical to the implants undergoes shrinkage and remodeling. The original boundary of the sinus is eventually consolidated and replaced by a new cortical plate. In addition to the linear measurements, the novel index may assist in assessing periapical remodeling at implants placed with an osteotome technique.en_US
dc.languageengen_US
dc.publisherWiley-Blackwell Publishing, Inc.. The Journal's web site is located at http://www.blackwellpublishing.com/journals/CLRen_US
dc.relation.ispartofClinical Oral Implants Researchen_US
dc.subject.meshAdulten_US
dc.subject.meshAgeden_US
dc.subject.meshAlveolar Process - Physiology - Radiographyen_US
dc.subject.meshBone Remodelingen_US
dc.subject.meshBone Substitutesen_US
dc.subject.meshBone Transplantationen_US
dc.subject.meshCohort Studiesen_US
dc.subject.meshDental Implantation, Endosseous - Instrumentation - Methodsen_US
dc.subject.meshDental Implantsen_US
dc.subject.meshDental Prosthesis, Implant-Supporteden_US
dc.subject.meshDental Restoration Failureen_US
dc.subject.meshFemaleen_US
dc.subject.meshHumansen_US
dc.subject.meshMaleen_US
dc.subject.meshMaxillary Sinus - Surgeryen_US
dc.subject.meshMiddle Ageden_US
dc.subject.meshMineralsen_US
dc.subject.meshOral Surgical Procedures, Preprosthetic - Instrumentationen_US
dc.subject.meshOsteotomy - Instrumentationen_US
dc.subject.meshOutcome Assessment (Health Care) - Methodsen_US
dc.subject.meshProspective Studiesen_US
dc.subject.meshStatistics, Nonparametricen_US
dc.titlePatterns of tissue remodeling after placement of ITI® dental implants using an osteotome technique: A longitudinal radiographic case cohort studyen_US
dc.typeArticleen_US
dc.identifier.emailLang, NP:nplang@hkucc.hku.hken_US
dc.identifier.authorityLang, NP=rp00031en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1111/j.1600-0501.2004.00988.xen_US
dc.identifier.pmid15008927en_US
dc.identifier.scopuseid_2-s2.0-12144271242en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-12144271242&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume15en_US
dc.identifier.issue2en_US
dc.identifier.spage158en_US
dc.identifier.epage166en_US
dc.identifier.isiWOS:000220071400004-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridBrägger, U=7005538598en_US
dc.identifier.scopusauthoridGerber, C=7101672660en_US
dc.identifier.scopusauthoridJoss, A=7005904584en_US
dc.identifier.scopusauthoridHaenni, S=6507973021en_US
dc.identifier.scopusauthoridMeier, A=7103005570en_US
dc.identifier.scopusauthoridHashorva, E=35616855300en_US
dc.identifier.scopusauthoridLang, NP=7201577367en_US

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