Aseptic Ligatures Induce Marginal Peri-Implant Bone Loss-An 8-Week Trial in Rabbits

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Reinedahl, DavidGothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology (author)

Aseptic Ligatures Induce Marginal Peri-Implant Bone Loss-An 8-Week Trial in Rabbits

Article/chapterEnglish2019

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2019-08-18
MDPI,2019
electronicrdacarrier

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LIBRIS-ID:oai:DiVA.org:mau-15787
https://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-15787URI
https://doi.org/10.3390/jcm8081248DOI
https://gup.ub.gu.se/publication/283578URI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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The clinical value of ligature-induced experimental peri-implantitis studies has been questioned due to the artificial nature of the model. Despite repeated claims that ligatures of silk, cotton and other materials may not induce bone resorption by themselves; a recent review showed that the tissue reaction toward them has not been investigated. Hence, the current study aimed to explore the hard and soft tissue reactions toward commonly used ligature materials. A total of 60 dental implants were inserted into the femur ( = 20) and tibia ( = 40) of 10 rabbits. The femoral implants were ligated with sterile 3-0 braided silk in one leg and sterile cotton retraction chord in the other leg. The tibial implants were ligated with silk or left as non-ligated controls. All wounds were closed in layers. After a healing time of 8 weeks, femoral (silk versus cotton) and proximal tibial (silk versus non-ligated control) implants were investigated histologically. Distal tibial (silk versus non-ligated control) implants were investigated with real time polymerase chain reaction (qPCR). The distance from the implant-top to first bone contact point was longer for silk ligated implants compared to non-ligated controls ( = 0.007), but did not vary between cotton and silk. The ligatures triggered an immunological reaction with cell infiltrates in close contact with the ligature materials, adjacent soft tissue encapsulation and bone resorption. qPCR further demonstrated an upregulated immune response toward the silk ligatures compared to non-ligated controls. Silk and cotton ligatures provoke foreign body reactions of soft tissue encapsulation type and bone resorption around implants in the absence of plaque.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Odontologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Dentistry hsv//eng
MEDICIN OCH HÄLSOVETENSKAP Medicinsk bioteknologi Biomaterialvetenskap hsv//swe
MEDICAL AND HEALTH SCIENCES Medical Biotechnology Biomaterials Science hsv//eng
TEKNIK OCH TEKNOLOGIER Industriell bioteknik Biomaterial hsv//swe
ENGINEERING AND TECHNOLOGY Industrial Biotechnology Bio Materials hsv//eng
aseptic loosening
dental implant
ligature induced peri-implantitis
marginal bone loss
osseointegration
aseptic loosening; dental implant; ligature induced peri-implantitis; marginal bone loss; osseointegration

Added entries (persons, corporate bodies, meetings, titles ...)

Galli, SilviaMalmö universitet,Odontologiska fakulteten (OD),Biofilms Research Center for Biointerfaces(Swepub:mau)ac0585 (author)
Albrektsson, TomasGothenburg University,Göteborgs universitet,Malmö universitet,Odontologiska fakulteten (OD),Biofilms Research Center for Biointerfaces,Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg 405 30, Sweden,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials(Swepub:gu)xalbto (author)
Tengvall, PenttiGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials(Swepub:gu)xtenpe (author)
Johansson, Carina B.,1955Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology(Swepub:gu)xjohca (author)
Hammarström Johansson, Petra,1967Gothenburg University,Göteborgs universitet,Institutionen för odontologi,Institute of Odontology(Swepub:gu)xhampe (author)
Wennerberg, AnnGothenburg University,Göteborgs universitet,Institutionen för odontologi, sektion 2,Institute of Odontology, Section 2(Swepub:gu)xwenan (author)
Göteborgs universitetInstitutionen för odontologi (creator_code:org_t)

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In:Journal of Clinical Medicine: MDPI8:82077-0383

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MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Dentistry

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