Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/jcm10122725
Keywords
sponge; delivery system; intracanal; antimicrobial; endodontic treatment
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This study evaluated the in vitro performance of collagen-based sponges as a drug delivery system for intracanal antimicrobial administration. The collagen sponges containing amoxicillin and chlorhexidine showed sustained antimicrobial effect in vitro and were able to destroy mature biofilms ex vivo, as validated by SEM-based study of E. faecalis and S. aureus biofilms.
This study aimed to evaluate the in vitro performance of collagen-based sponges as a drug delivery system for intracanal antimicrobial administration. Four groups of loaded collagen-based sponges (A, 0.3% w/v amoxicillin trihydrate: potassium clavulanate (4:1); B, 0.03% w/v chlorhexidine gluconate [CHX]; C, 0.3% w/v amoxicillin trihydrate: potassium clavulanate (4:1) and 0.03% w/v CHX; D, 1% w/v amoxicillin trihydrate: potassium clavulanate (4:1) and 0.03% w/v CHX) were designed. Release kinetics were tested in vitro on cultures in Petri dishes, and the effect on bacterial biofilms was studied ex vivo on 114 extracted human single-rooted teeth. Biofilm formation was tested by scanning electron microscopy (SEM). Collagen sponges containing amoxicillin and chlorhexidine showed a time-sustained antimicrobial effect in vitro and were also able to destroy mature biofilms ex vivo. This datum was validated by means of SEM-based study of E. faecalis and S. aureus biofilms.
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