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 Professionally dispensed kits from a dentist's office designed to be used at home typically cost $100-$500, depending on the location and dentist. 2  Take-home whitening kits include custom-made trays and typically use a stronger bleaching agent than over-the-counter systems.