Significant differences are found in variability and in prevalence of abnormality of several dental occlusal features among rural and urban Bengali male youths. This confirms a broader trend in world populations. Among a variety of socio-environmental factors determined through interviews, the masticatory resistance provided by unprocessed dietary staples shows the strongest independent contribution to the differences.
Corruccini, Robert S. and Choudhury, Ahmed F.H
"Dental Occlusal Variation among Rural and Urban Bengali Youths,"
1, Article 6.
Available at: https://digitalcommons.wayne.edu/humbiol/vol58/iss1/6