Application of Implantable Polylactic-Co-Glycolic Acid Microcapsule in Repairing Alveolar Bone Defects.
Journal
Evidence-based complementary and alternative medicine : eCAM
ISSN: 1741-427X
Titre abrégé: Evid Based Complement Alternat Med
Pays: United States
ID NLM: 101215021
Informations de publication
Date de publication:
2021
2021
Historique:
received:
19
02
2021
revised:
01
06
2021
accepted:
16
07
2021
entrez:
9
8
2021
pubmed:
10
8
2021
medline:
10
8
2021
Statut:
epublish
Résumé
Alveolar bone defects (ABDs) were a perennial problem, especially in the aged. Bisphosphonates, especially etidronate sodium (ET), were frequently used in clinical treatment of ABD. However, the oral administration of ET had poor absorption (<1%). Therefore, optimization of a suitable dosage form substituted with ET to locally repair the ABD was a straightforward approach. Polylactide-co-glycolide (PLGA) is a biodegradable material and had been used in locally implanted medical devices. Therefore, an ET-PLGA microcapsule may help local delivery and prolong the activity of healing ABD. In this paper, a preparation method of ET-PLGA microcapsule was optimized by the single-factor investigation and response surface method. Subsequently, the rat ABD model was used to evaluate the enhancement effect of these microcapsules. Finally, the optimum parameters were determined as follows: 40% dichloromethane, 160 mg/mL PLGA, 10% internal aqua/oil phase, 4% PVA, and emulsifying for 10 min. These microcapsules were spherical in shape and fairly monodisperse in a particle size of 27,51
Identifiants
pubmed: 34367304
doi: 10.1155/2021/5580785
pmc: PMC8337143
doi:
Types de publication
Journal Article
Langues
eng
Pagination
5580785Informations de copyright
Copyright © 2021 Jun Jiang et al.
Déclaration de conflit d'intérêts
All authors had no conflicts of interest regarding the publication of this study.
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