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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Clin Oral Investig. 2020 Nov 10;25(6):3535–3542. doi: 10.1007/s00784-020-03676-9

Table 2.

Prevalence of S. mutans and of the genes coding for the CBPs, cnm and cbm, in root canals of teeth with normal vital pulp (control), in root canals of asymptomatic necrotic teeth (ANT) and in root canals of symptomatic necrotic teeth (SNT) and their associated acute apical abscesses (AAA)

Sample sites n Bacterial DNA (number of positive cases/total) S. mutans+ (number of positive cases/total) cnm+ (number of positive cases/total) cbm+ (number of positive cases/total)
Control 10 0% (0/10) - - -
ANT 10 100% (10/10) 60% (6/10) 66.6% (4/6) 0% (0/6)
SNT 10 100% (10/10) 70% (7/10) 0% (0/7) 0% (0/7)
AAA 10 100% (10/10) 70% (7/10) 0% (0/7) 0% (0/7)