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CC BY-NC-ND 4.0 · Eur J Dent 2009; 03(02): 107-113
DOI: 10.1055/s-0039-1697416
Original Article
Dental Investigation Society

Detection of Treponema Denticola in Symptomatic Apical Periodontitis and in Symptomatic Apical Abscesses by Real-Time PCR

Selcuk M. Ozbek
a   Doctoral Student, Department of Endodontics, Dental School, Ataturk University, Erzurum, Turkey
,
Ahmet Ozbek
b   Assistant Professor, Department of Microbiology and Clinical Microbiology, Medical Faculty, Ataturk University, Erzurum, Turkey
,
Aziz S. Erdogan
c   Assistant Professor, Department of Endodontics, Dental School, Ataturk University, Erzurum, Turkey
› Author Affiliations
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Publication History

Publication Date:
27 September 2019 (online)

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ABSTRACT

Objectives: The aim of this study was to investigate the presence of Treponema denticola in symptomatic apical periodontitis and in symptomatic apical abscesses by real-time polymerase chain reaction (PCR) method.

Methods: Microbial samples were collected from 60 single-rooted teeth having carious lesions and necrotic pulps. For each tooth, clinical data including patient symptoms were recorded. Teeth were categorized by diagnosis as having symptomatic apical periodontitis or symptomatic apical abscess. Aseptic microbial samples were collected using paper points from 30 infected root canals and from aspirates of 30 abscesses. DNA was extracted from the samples by using a QIAamp® DNA mini-kit and analyzed with real-time PCR.

Results: T. denticola was detected in 24 of 30 cases diagnosed as symptomatic apical abscesses (80%), and 19 of 30 cases diagnosed as symptomatic apical periodontitis (63.3%). In general T. denticola was found in 43 of 60 cases (71.6%).

Conclusions: Our findings suggest that T. denticola can participate in the pathogenesis of symptomatic apical abscesses. (Eur J Dent 2009;3:107-113)

Key words:

Treponema denticola - Symptomatic apical abscess - Necrotic tooth - Root canal - Realtime PCR
 

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