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In vivo evaluation of microbial reduction after chemo-mechanical preparation of necrotic root canals with or without apical periodontitis

2014-04Journal article Open access
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dc.contributor.authorTeles, Ana Moura
dc.contributor.authorManso, M. Conceição
dc.contributor.authorPina, Cristina Maria San Román Gomes de
dc.contributor.authorCabeda, José Manuel
dc.date.accessioned2021-02-18T23:19:21Z
dc.date.available2021-02-18T23:19:21Z
dc.date.issued2014-04
dc.date.updated2021-02-15T11:03:58Z
dc.description.abstractObjectives: Assessment of bacterial reduction after chemo-mechanical preparation (using 3% sodium hypochlorite) with or without intracanal dressing (calcium hydroxide paste (Ca(OH)2) or 2% chlorhexidine digluconate gel (CHX)) in necrotic pulps associated or not with apical lesion. Methods: Prospective clinical trial, in 69 adult patient’s teeth with pulpal necrosis associated or not with apical periodontitis. Microbiological root-canal-sampling occurred before treatment (S1), after chemo-mechanical preparation (S2) and after 14 days intracanal dressing (S3). Colony Forming Units (CFU) were counted after growth in aerobic, anaerobic and microaerofilic cultures. Comparison of the median CFUs treatments and culture media was done with the Friedman test. Comparison of the intracanal dressing effect at S3 was done with the Wilcoxon and the Mann–Whitney tests. Because of the huge differences in bacterial counts variations were expressed as log 10 to analyze differences among intracanal medication groups. S2 and S3 counts were expressed as percentage of CFU reduction regarding S1 counts. Results: Significant differences were detected between S1, S2 and S3 (Friedman test; p < 0.001), showing a significant decrease from S1 to S2 (Wilcoxon test; p < 0.004), followed by a significant increase from S2 to S3 (p < 0.001) for the CHX group, maintenance for the Ca(OH)2 group in aerobic/anaerobic (Wilcoxon test; p = 0.777/0.227), and increase in the microaerofilic culture (Wilcoxon test; p = 0.047). The two groups only differed significantly in S3 (Mann–Whitney test; p ≤ 0.001), with a worse performance in the CHX group. Conclusions: Treatment significantly reduced the number of bacteria but failed to render all root canals sterile. Ca(OH)2 performed better than CHX gel.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.rpemd.2014.02.002pt_PT
dc.identifier.issn1646-2890
dc.identifier.slugcv-prod-2188205
dc.identifier.urihttp://hdl.handle.net/10284/9461
dc.language.isoengpt_PT
dc.publisherElsevier Doymapt_PT
dc.subjectAntimicrobial treatmentpt_PT
dc.subjectDental pulp necrosispt_PT
dc.subjectPeriapical periodontitispt_PT
dc.subjectIntracanal dressingpt_PT
dc.subjectEndodontic-infectionpt_PT
dc.titleIn vivo evaluation of microbial reduction after chemo-mechanical preparation of necrotic root canals with or without apical periodontitispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage96pt_PT
oaire.citation.issue2pt_PT
oaire.citation.titleRevista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacialpt_PT
oaire.citation.volume55pt_PT
person.familyNameManso
person.familyNameSan Román Gomes de Pina
person.familyNameManuel Baptista Cabeda
person.givenNameMaria da Conceição
person.givenNameCristina Maria San Román Gomes de Pina
person.givenNameJosé
person.identifier.ciencia-id5A18-502F-4844
person.identifier.ciencia-id5D11-7378-444A
person.identifier.ciencia-id3F17-D327-35C3
person.identifier.orcid0000-0002-1774-1337
person.identifier.orcid0000-0002-3880-4712
person.identifier.orcid0000-0002-5117-2326
person.identifier.ridD-7212-2013
person.identifier.scopus-author-id57196702148
rcaap.cv.cienciaidB511-73B3-087A | Ana Moura Teles
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication7dff8d33-6bfb-496b-b734-a94146c562e6
relation.isAuthorOfPublicationb24b5ee0-1368-472b-86b4-f5c743118a65
relation.isAuthorOfPublicationc928b66f-c6b6-40b1-80ff-9831007c88eb
relation.isAuthorOfPublication.latestForDiscoveryc928b66f-c6b6-40b1-80ff-9831007c88eb

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