![]() (10) in their study of periodontal abscesses, Fusobacterium nucleatum is seen to predominate. In some studies of odontogenic infection, grampositive facultative anaerobic cocci of the genus Streptococcus remain the most frequent microorganisms, while in other studies the greatest prevalence corresponds to gramnegative strict anaerobic bacilli represented by black-pigmented species of the genera Porphyromonas and Prevotella, closely followed by grampositive strict anaerobic cocci of the genus Peptostreptococcus and gramnegative strict anaerobic bacilli of the genus Fusobacterium (2).Īccording to Herrera et al. It is therefore not surprising that studies of odontogenic infections find the prevalence of anaerobic bacteria to be higher in dentoalveolar infectious processes (8,9). The normal bacterial microflora of the oral cavity comprises mainly anaerobic bacteria. On contrasting resistance with a maximum 25% cutoff value, amoxicillin, amoxicillin / clavulanate and linezolid were seen to exhibit significantly lower resistance than the rest of drugs (p<0.05), while for a minimum 75% cutoff value only amoxicillin and amoxicillin / clavulanate exceeded 75% (p<0.05). clavulanate and amoxicillin, respectively (p0.05). Results in terms of increased sensitivity and lesser resistance with amoxicillin Origin of the odontogenic infection, the causal bacteria yielded the best Results: A total of 184 bacterial strains were isolated and identified,Ĭomprising grampositive facultative anaerobes (68%), gramnegative strictĪnaerobes (30%) and grampositive facultative anaerobes (2%). The samples were cultured and incubated under aerobicĪnd anaerobic conditions, followed by bacteriological identification and Were collected from lesions under maximally aseptic conditions, avoiding oral Selected on the basis of a series of inclusion and exclusion criteria. Material and methods: Sixty-four patients with odontogenic infection were Barcelona (Spain)Īn evaluation is made of bacterial species and susceptibility to variousĪntibiotics used in application to odontogenic infections of periapical locationĪnd in pericoronitis of the lower third molar, with the aim of optimizing theĪntibiotherapy of such infections and thus preventing unnecessary side effects Maxillofacial surgeon and Co-director of the Unit of Temporomandibular Joint Diseases and Orofacial Pain. Director of the Master in Oral Surgery and Implantology. (4) Full professor of Oral and Maxillofacial Surgery. ![]() Professor of the Master in Oral Surgery and Implantology. (3) Assistant professor of Oral and Maxillofacial Surgery. Fellow of the Laboratory of Microbiology. Miguel Brescó Salinas 1, Noelia Costa Riu 2, Leonardo Berini Aytés 3, Cosme Gay Escoda 4 Antibiotic susceptibility of the bacteria causing odontogenic infections
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