Evaluation of peri-implant perfusion in patients who underwent avascular augmentation or microvascular reconstruction using laser Doppler flowmetry and tissue spectrophotometry: a prospective comparative clinical study.
Avascular graft
Hyperemia
Laser-doppler flowmetry
Microvascular bone graft
Perfusion
Tissue spectrophotometry
Journal
Clinical oral investigations
ISSN: 1436-3771
Titre abrégé: Clin Oral Investig
Pays: Germany
ID NLM: 9707115
Informations de publication
Date de publication:
17 Jul 2024
17 Jul 2024
Historique:
received:
20
01
2024
accepted:
08
07
2024
medline:
17
7
2024
pubmed:
17
7
2024
entrez:
17
7
2024
Statut:
epublish
Résumé
The aim of this study was to evaluate the peri-implant perfusion, such as oxygen saturation, the relative amount of hemoglobin, and blood flow, in implants placed in pristine bone and avascular and microvascular grafts using a non-invasive measurement method. A total of 58 patients with 241 implants were included. Among them, 106 implants were based in native bone (group I), 75 implants were inserted into avascular bone grafts (group II), and 60 implants were placed in microvascular bone grafts (group III). Gingival perfusion was measured using laser Doppler flowmetry and tissue spectrophotometry (LDF-TS). Implants with signs of gingival inflammation were excluded to analyze healthy implant perfusion in different bony envelopes. The mean values for oxygen saturation, relative hemoglobin levels, and blood flow did not differ significantly between the groups (p = 0.404, p = 0.081, and p = 0.291, respectively). There was no significant difference in perfusion between implants that were surrounded by mucosa and implants based within cutaneous transplants (p = 0.456; p = 0.628, and p = 0.091, respectively). No differences in perfusion were found between implants inserted into native bone and implants involving bone or soft tissue augmentation. However, implants based in avascular and microvascular transplants showed higher rates of peri-implant inflammation. Peri-implant perfusion seems to be comparable for all implants after they heal, irrespective of their bony surroundings. Although perfusion does not differ significantly, other factors may make implants in avascular and microvascular transplants vulnerable to peri-implant inflammation.
Identifiants
pubmed: 39017918
doi: 10.1007/s00784-024-05825-w
pii: 10.1007/s00784-024-05825-w
doi:
Substances chimiques
Dental Implants
0
Types de publication
Journal Article
Comparative Study
Clinical Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
431Informations de copyright
© 2024. The Author(s).
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