Effect of the nature of the particles released from bone level dental implants: physicochemical and biological characterization
Autor/a
Vara, Juan Carlos
Delgado, Juan
Estrada-Martínez, Alejandro
Pérez-Pevida, Esteban
Pérez, Román
Gil Mur, Francisco Javier
Data de publicació
2022ISSN
2079-6412
Resum
The placement of bone–level dental implants can lead to the detachment of particles in the surrounding tissues due to friction with the cortical bone. In this study, 60 bone–level dental implants were placed with the same design: 30 made of commercially pure grade 4 titanium and 30 made of Ti6Al4V alloy. These implants were placed in cow ribs following the company’s placement protocols. Particles detached from the dental implants were isolated and their size and specific surface area were characterized. The irregular morphology was observed by scanning electron microscopy. Ion release to the medium was determined at different immersion times in physiological medium. Cytocompatibility studies were performed with fibroblastic and osteoblastic cells. Gene expression and cytokine release were analysed to determine the action of inflammatory cells. Particle sizes of around 15 μM were obtained in both cases. The Ti6Al4V alloy particles showed significant levels of vanadium ion release and the cytocompatibility of these particles is lower than that of commercially pure titanium. Ti6Al4V alloy presents higher levels of inflammation markers (TNFα and Il–1β) compared to that of only titanium. Therefore, there is a trend that with the alloy there is a greater toxicity and a greater pro-inflammatory response.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
616.3 - Patologia de l'aparell digestiu. Odontologia
Paraules clau
Partícules
Implants dentals
Nivell ossi
Citotoxicitat
Expressió gènica
Partículas
Implantes dentales
Nivel óseo
Citotoxicidad
Expresión génica
Particles
Dental implants
Bone level
Cytotoxicity
Gene expression
Pàgines
13
Publicat per
MDPI
Col·lecció
12;
Publicat a
Coatings
Citació
Vara, Juan Carlos; Delgado, Juan; Estrada-Martínez, Alejandro [et al.]. Effect of the nature of the particles released from bone level dental implants: physicochemical and biological characterization. Coatings, 2022, 12(2), 219. Disponible en: <https://www.mdpi.com/2079-6412/12/2/219>. Fecha de acceso: 4 mar. 2022. DOI: 10.3390/coatings12020219
Número de l'acord de la subvenció
info:eu-repo/grantAgreement/MICINN/RTI2018–098075–B–C21
info:eu-repo/grantAgreement/MICINN/RTI2018–098075– BC22
Aquest element apareix en la col·lecció o col·leccions següent(s)
- Odontologia [248]
Drets
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Excepte que s'indiqui una altra cosa, la llicència de l'ítem es descriu com https://creativecommons.org/licenses/by/4.0/