Thermoreversible gel for intrapocket delivery of green tea catechin as a local drug delivery system: An original research.
The periodontal therapies along with systemic antibiotic therapy aim at eliminating the subgingival microbiota to arrest the progression of periodontal diseases. The complete elimination is often difficult, and thus the probability of repopulation after periodontal therapy is also high. The objectives of the study are to developin situthermoreversible gelling system of green tea catechins suitable for periodontal pocket administration, which would act as an adjunct to mechanical periodontal therapy. Gel is prepared on a weight basis using a cold process.In vitrodrug release pattern is observed through spectrophotometer analysis at 277 nm. The gel is subjected to serial dilution analysis to determine the minimum inhibitory concentration (MIC) and disc diffusion analysis to determine thein vitroantibacterial effectiveness. Release pattern studies showed a complete release of drug from gel occurred by 36 h. A volume of 1.25 mg/ml was determined as MIC required against the periodontal pathogens. Disc diffusion analysis showed a 14 mm zone of inhibition is present around the 75µl well for all the four species and 12 mm zone of inhibition around the 50µl well. The advantage of F-127 is its thermoreversible nature that used forin situgel formulation. Pluronic gel proved to be a promising carrier for prolong and effective release of green tea catechin.
Department of Periodontics, Rajas Dental College and Hospital, Tirunelveli, Tamil Nadu, India.
M
M
Yuvaraja
Department of Preventive Dental Science, College of Dentistry, King Khalid University, Abha, Kingdom of Saudi Arabia.
N Raghavendra
NR
Reddy
Department of Periodontics, St. Joseph Dental College, Eluru, Andhra Pradesh, India.
P Mohan
PM
Kumar
Department of Preventive Dental Science, College of Dentistry, King Khalid University, Abha, Kingdom of Saudi Arabia.
K S
KS
Ravi
Department of Preventive Dental Science, College of Dentistry, King Khalid University, Abha, Kingdom of Saudi Arabia.
Nabeeh
N
Alqahtani
Actinobacillus actinomycetemcomitans; Fusobacterium nucleatum; Porphyromonas gingivalis; Prevotella intermedia