Research Article

Prevalence and Morphology of C-Shaped Canals: A CBCT Analysis in a Korean Population

Table 1

Number and frequency of C-shaped root canals in mandibular molars by gender, age, and tooth position ().

GenderTooth positionAge (years)

MaleFemale valueLeftRight value18–2021–3031–4041–5051–6061– value
No. of teeth350/1182574/1326<0.001469/1254455/12540.562114/316408/1014136/340124/31472/24270/282<0.001
Prevalence (%)29.643.337.436.336.140.24039.529.824.8

Distribution of sample ratios among each subgroups was analyzed using the chi-squared test. Significant different prevalence between male and female and among age subgroups were observed ( value < 0.001).