Histological evaluation of osseointegration between conventional and novel bone-level tapered implants in healed bone-A preclinical study.
animal model
crestal bone formation
histology
histometry
implant geometry
osseointegration
Journal
Journal of periodontal research
ISSN: 1600-0765
Titre abrégé: J Periodontal Res
Pays: United States
ID NLM: 0055107
Informations de publication
Date de publication:
19 May 2024
19 May 2024
Historique:
revised:
10
04
2024
received:
13
03
2024
accepted:
24
04
2024
medline:
20
5
2024
pubmed:
20
5
2024
entrez:
20
5
2024
Statut:
aheadofprint
Résumé
To histologically compare osseointegration and crestal bone healing between newly introduced tapered, self-cutting bone-level test implants and tapered bone-level control implants in sites with fully healed sites. Sixty-six implants (33 test, 33 control) were placed 1 mm subcrestally in a minipig model and underwent qualitative histologic and quantitative histometric analyses after 3, 6 and 12 weeks of submerged healing. The primary and secondary outcomes were the bone-to-implant contact (BIC) and first bone-to-implant contact (fBIC). Outcomes between the test and control implants were statistically compared. The BIC values of the test implants were comparable and non-inferior over the time points studied, except for the 12 weeks time point which showed statistically significantly higher BIC values of the test (88.07 ± 5.35%) compared to the control implants (80.88 ± 7.51%) (p = .010). Similarly comparable and non-inferior were the fBIC values, except for the 6-week outcome, which showed statistically higher values for the test (-546.5 ± 450.80 μm) compared to the control implants (-75.7 ± 100.59 μm). fBIC results for the test implants were qualitatively more stable and consistent between test time points. Novel self-cutting bone-level test implants demonstrated superior osseointegration and similar bone levels compared to conventional bone-level implants after a healing period of 12 weeks in healed ridges.
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Straumann AG
Informations de copyright
© 2024 The Authors. Journal of Periodontal Research published by John Wiley & Sons Ltd.
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