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Year : 2020  |  Volume : 9  |  Issue : 8  |  Page : 3965-3969

Association of specific microorganisms with endodontic signs and symptoms. A comparative study

1 Department of Psychiatry, Nalanda Medical College, Patna, Bihar, India
2 Department of Conservative Dentistry and Endodontics, Awadh Dental College and Hospital, Jamshedpur, Jharkhand, India
3 Department of Oral Medicine and Radiology, Awadh Dental College and Hospital, Jamshedpur, Jharkhand, India
4 Department of Oral Pathology, Microbiology and Forensic Odontology, Rajendra Institute of Medical Sciences, Dental Institute, Ranchi, Jharkhand, India
5 Department of Conservative Dentistry and Endodontics, Hi-tech Dental College & Hospital, Bhubaneswar, Odisha, India
6 Department of Conservative Dentistry and Endodontics, Rama Dental College and Hospital, Kanpur, UP, India
7 BRS Dental College and Hospital, Sultanpur, Panchkula, Haryana, India

Correspondence Address:
Dr. Dinesh Kumar
BRS Dental College and Hospital, Sultanpur, Panchkula - 134109, Haryana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jfmpc.jfmpc_523_20

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Aim: The study aimed to evaluate the association of root canal microorganisms red complex and E. facealis with endodontic clinical signs and symptoms using polymerase chain reaction. Materials and Methods: Bacterial samples were obtained using sterile paper points from the teeth of 100 subjects divided into two groups; Group I: 50 individuals with primary tooth infections and Group II: 50 individuals with failed endodontic treatment having the secondary infection. DNA extracted from samples was analyzed for endodontic pathogens by using species-specific primers. Results: The pain was noticed in 66%, (33 of 50 subjects) in primary infection and 60% (30 of 50) in a secondary infection. A statistically significant association between pain and E. faecalis bacteria observed both in primary infection and secondary infection (P < 0.05). Tenderness on percussion was associated with 40% cases in Group I and 70% cases in Group II. The red complex accounted for 94% of cases associated with tenderness on percussion in primary infection while 86% of cases associated with secondary infection with a statistically significant association (P < 0.05). Conclusion: Prevalence of red complex bacteria and E. faecalis suggested the association of studied bacteria with symptomatic infected pulp and periradicular diseases.

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