Estudo bacteriológico de lesões periapicais
O tecido perirradicular de 30 casos cirúrgicos foi submetido a exame microbiológico e histopatológico. Foram isoladas 137 cepas bacterianas das 30 lesões periapicais estudadas. Do total de bactérias isoladas, 90 (65,7%) foram caracterizadas como anaeróbias estritas, 40 (29,2%) como anaeróbias facult...
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Published in: | Revista de odontologia da Universidade de São Paulo Vol. 12; no. 3; pp. 215 - 223 |
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Abstract | O tecido perirradicular de 30 casos cirúrgicos foi submetido a exame microbiológico e histopatológico. Foram isoladas 137 cepas bacterianas das 30 lesões periapicais estudadas. Do total de bactérias isoladas, 90 (65,7%) foram caracterizadas como anaeróbias estritas, 40 (29,2%) como anaeróbias facultativas e 7 (5,1%) como aeróbias estritas. Fusobacterium nucleatum, bacilos Gram-negativos pigmentados anaeróbios estritos, Peptostreptococcus sp, Streptococcus mitis e bacilos Gram-positivos não esporulados anaeróbios estritos foram, em ordem decrescente de freqüência, as bactérias mais comumente isoladas das lesões periapicais. A análise histopatológica demonstrou prevalência de granuloma periapical. O estudo de sensibilidade a antimicrobianos foi realizado em 16 cepas de Fusobacterium nucleatum. Os antimicrobianos utilizados foram penicilina, cefoxitina, eritromicina, metronidazol e tetraciclina. Todas as amostras apresentaram suscetibilidade à cefoxitina, tetraciclina e metronidazol; os percentuais de resistência à penicilina e à eritromicina foram 12,5 e 68,8, respectivamente. Os percentuais de resistência de Fusobacterium nucleatum, uma espécie bacteriana importante na patogênese das lesões periapicais, à penicilina e à eritromicina, enfatizam a necessidade de outros estudos de resistência a antimicrobianos de bactérias isoladas em infecções odontogênicas. |
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AbstractList | O tecido perirradicular de 30 casos cirúrgicos foi submetido a exame microbiológico e histopatológico. Foram isoladas 137 cepas bacterianas das 30 lesões periapicais estudadas. Do total de bactérias isoladas, 90 (65,7%) foram caracterizadas como anaeróbias estritas, 40 (29,2%) como anaeróbias facultativas e 7 (5,1%) como aeróbias estritas. Fusobacterium nucleatum, bacilos Gram-negativos pigmentados anaeróbios estritos, Peptostreptococcus sp, Streptococcus mitis e bacilos Gram-positivos não esporulados anaeróbios estritos foram, em ordem decrescente de freqüência, as bactérias mais comumente isoladas das lesões periapicais. A análise histopatológica demonstrou prevalência de granuloma periapical. O estudo de sensibilidade a antimicrobianos foi realizado em 16 cepas de Fusobacterium nucleatum. Os antimicrobianos utilizados foram penicilina, cefoxitina, eritromicina, metronidazol e tetraciclina. Todas as amostras apresentaram suscetibilidade à cefoxitina, tetraciclina e metronidazol; os percentuais de resistência à penicilina e à eritromicina foram 12,5 e 68,8, respectivamente. Os percentuais de resistência de Fusobacterium nucleatum, uma espécie bacteriana importante na patogênese das lesões periapicais, à penicilina e à eritromicina, enfatizam a necessidade de outros estudos de resistência a antimicrobianos de bactérias isoladas em infecções odontogênicas. |
Author | MOREIRA, José Luciano Bezerra MENEZES, Dalgimar Bezerra de ROCHA, Márcia Maria de Negreiros Pinto CUNHA, Maria do Perpétuo Socorro Saldanha da CARVALHO, Cibele Barreto Mano de |
AuthorAffiliation | Universidade Federal do Ceará |
AuthorAffiliation_xml | – name: Universidade Federal do Ceará |
Author_xml | – sequence: 1 givenname: Márcia Maria de Negreiros Pinto surname: ROCHA fullname: ROCHA, Márcia Maria de Negreiros Pinto – sequence: 2 givenname: José Luciano Bezerra surname: MOREIRA fullname: MOREIRA, José Luciano Bezerra organization: Universidade Federal do Ceará – sequence: 3 givenname: Dalgimar Bezerra de surname: MENEZES fullname: MENEZES, Dalgimar Bezerra de organization: Universidade Federal do Ceará – sequence: 4 givenname: Maria do Perpétuo Socorro Saldanha da surname: CUNHA fullname: CUNHA, Maria do Perpétuo Socorro Saldanha da – sequence: 5 givenname: Cibele Barreto Mano de surname: CARVALHO fullname: CARVALHO, Cibele Barreto Mano de organization: Universidade Federal do Ceará |
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DocumentTitleAlternate | Bacteriological study of periapical lesions |
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Issue | 3 |
Keywords | Lesão periapical Periapical lesion Fusobacterium nucleatum Antimicrobianos Antimicrobials |
Language | Portuguese |
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Snippet | O tecido perirradicular de 30 casos cirúrgicos foi submetido a exame microbiológico e histopatológico. Foram isoladas 137 cepas bacterianas das 30 lesões... |
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SubjectTerms | DENTISTRY, ORAL SURGERY & MEDICINE |
Title | Estudo bacteriológico de lesões periapicais |
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