Abstract

ANTIBIOGRAM OF BACTERIA CAUSING DENTOALVEOLAR ABSCESS

Poonam B. Chauhan* and Pratibha B. Desai

Abstract

The aim of this study was to investigate the bacterial species from dental abscess and evaluate their susceptibility to antibiotics. Of a population of 119 patients, 37% of the patient showed the clinical case of acute odontogenic infections with 72.7% showing symptoms of only tooth abscess and 27.3% associated with other infections with 69.8% of the tested patients being male and 30.2% female patient. A total of 101bacterial isolates were isolated and identified, the predominant bacteria found was Staphylococcus aureus (47%), followed by Klebsiella species, Fusobacterium nucleatum and Porphyromonas gingivalis. The Gram negative anaerobic bacteria were highly resistant to penicillin (95.6%), followed by erythromycin (94.4%), clindamycin (91.7%), cefuroxime (85.6%) and cefotaxime (80.8%). In case of Gram positive anaerobic bacteria the resistivity was observed in order – penicillin (100%), clarithromycin (93.75%), erythromycin and ampicillin (81.25%). Gram negative aerobic bacteria also showed high resistivity to erythromycin (98.90%), penicillin (98.20%), clarithromycin (89.10%), roxythromycin (89.10%) and clindamycin (88%). Gram positive aerobic bacteria were resistant to penicillins, macrolide and lincosamide group of antibiotics. The bacterial isolates were found to be highly sensitive to tetracycline group of antibiotic. In conclusion tetracycline and metronidazole are suitable antibiotics for treatment of dental abscess.

Keywords: Dental abscess, antibiotic susceptibility, Gram negative anaerobes, Gram positive anaerobes, Gram negative aerobes, Gram positive aerobes.