Journal
ORAL MICROBIOLOGY AND IMMUNOLOGY
Volume 18, Issue 5, Pages 327-328Publisher
BLACKWELL MUNKSGAARD
DOI: 10.1034/j.1399-302X.2003.00079.x
Keywords
cytomegalovirus; Epstein-Barr virus; bacteria; periapical lesions; pathogenesis
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Background: Recent studies have identified human cytomegalovirus (HCMV) and Epstein-Barr virus (EBV) in symptomatic periapical lesions. Little information exists on HCMV and EBV in asymptomatic periapical lesions. Aim: To compare the presence of late transcripts of HCMV, EBV and herpes simplex virus (HSV) in symptomatic and asymptomatic periapical lesions. Methods: Periapical samples were collected from seven symptomatic and seven asymptomatic periapical lesions at the time of apicoectomy. HCMV, EBV and HSV late mRNAs were identified by reverse transcription polymerase chain reaction. Results: HCMV mRNA was detected in all seven symptomatic periapical lesions and in one asymptomatic lesion (Chi-squared test, Yates' P-value = 0.007). EBV mRNA was detected in six symptomatic lesions and in one asymptomatic lesion (P = 0.04). One asymptomatic lesion yielded HSV mRNA. Conclusions: HCMV and EBV active infections are associated with acute exacerbation of apical periodontitis. HSV seems to be unimportant in periapical pathosis.
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