Genetic drift. Genetic drift is the term used in population genetics to refer to the statistical drift over time of gene frequencies in a population due to random sampling effects in the formation of successive generations.
Dental Check-Ups - Common Dental Procedures. To find the best rates for dental checkups, patients usually get quotes from several dentists, asking for a comprehensive breakdown of the fees and the estimated total costs. The average cost for a routine check-up is around $58+.
1 A Snap-on Smile typically costs $1,000 -$3,500 or more per arch (upper or lower), depending on the size, shape and style of the teeth, and the individual dentist. 2  Prices can vary significantly between dentists, even in the same location; a few dentists advertise prices as low as $500 -$1,000 per arch.