Interactions between black-pigmented Gram-negative anaerobes and other species which may be important in disease development

Gharbia, Saheer E.; Shah, Haroun N.

doi:10.1111/j.1574-695x.1993.tb00321.x

Cited by 5 publications

(2 citation statements)

References 17 publications

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“…In the root canal infections where P. gingivalis was isolated, four different species were found on average. The activities of neighbouring populations act as external factors affecting the dynamics of growth and the physiological behaviour of that population, resulting in negative pressure or beneficial relationships (Gharbia & Shah 1993, Gomes et al 1994. Gharbia et al (1989) have shown that the proteolytic degradation by P. gingivalis is enhanced by the addition of peptidase-producing species such as Fusobacterium nucleatum.…”

Section: Discussionmentioning

confidence: 99%

Incidence and antimicrobial susceptibility of Porphyromonas gingivalis isolated from mixed endodontic infections

et al. 2006

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Section: Discussionmentioning

confidence: 99%

Incidence and antimicrobial susceptibility of Porphyromonas gingivalis isolated from mixed endodontic infections

et al. 2006

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“…and Tannerella forsythia were identified in the samples before treatment and did not persist in the samples taken after root canal debridement (S3) or after root canal dressing (S5). This finding seems to be related to the fact that microbiota thrive in mixed infections and therefore enhancing nutritional niches [ 83 ]. Moreover, approximately 50% of the oral microbiota were still uncultivable by culture-dependent methods [ 84 ].…”

Section: Discussionmentioning

confidence: 99%

Microbiological assessment of success and failure in pulp revitalization: a randomized clinical trial using calcium hydroxide and chlorhexidine gluconate in traumatized immature necrotic teeth

Wikström,

Romani Vestman,

Rakhimova

et al. 2024

Journal of Oral Microbiology

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Aim To compare differences in the disinfection efficacy of calcium hydroxide (CH) and chlorhexidine gluconate (CHD) dressings in pulp revitalization (PR) of traumatized immature necrotic teeth; to investigate the microflora in successful/failed PR and whether bacterial persistence influences the outcomes of PR. Methods Microbiological assessment of the average bacterial load (CFU/sample) and bacterial diversity (taxa/sample) was performed on 41 teeth at three timepoints (S2-before, S3-after debridement and S5- after root canal dressing). Results The primary microflora was more diverse in successful cases than in failed. Decreases in CFU/sample and taxa/sample occurred S2 - S3, though new increases occurred at S5 in the CHD subgroup (successful and failed) and CFU/sample in the CH subgroup (failed). At S5, the successful cases showed more bacterial decreases. No specific species was associated with the outcomes with no statistical differences between the disinfection efficacy. Conclusions There were no statistical differences in CH and CHD efficacy. At S5, microflora persisted in both successful and failed outcomes, but the abundance and diversity increased significantly only in the failed cases. The successful outcomes presented higher diversity and higher decreases of the primary microflora at S5 than the failed outcomes. The abundance and diversity increased significantly at S5 only in failed cases.

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Correlation between crestal alveolar bone loss with intracanal bacteria and apical lesion area in necrotic teeth

Muniz

Montagner

Jacinto

et al. 2018

Archives of Oral Biology

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Interactions between black-pigmented Gram-negative anaerobes and other species which may be important in disease development

Cited by 5 publications

References 17 publications

Incidence and antimicrobial susceptibility of Porphyromonas gingivalis isolated from mixed endodontic infections

Incidence and antimicrobial susceptibility of Porphyromonas gingivalis isolated from mixed endodontic infections

Microbiological assessment of success and failure in pulp revitalization: a randomized clinical trial using calcium hydroxide and chlorhexidine gluconate in traumatized immature necrotic teeth

Correlation between crestal alveolar bone loss with intracanal bacteria and apical lesion area in necrotic teeth

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