Launch This Resource. In 1950, Erwin Chargaff published a paper stating that in the DNA of any given species, the ratio of adenine to thymine is equal, as is the ratio of cytosine to guanine. This became known as Chargaff's ratio, and it was an important clue for solving the structure of DNA. Downloads. Downloads.
The average annual overhead for a dental office (not including the dentistâs salary) is $350,000. The average clinician works 33 hours per week for 48 weeks, which is 1,600 hours per year. By taking the $525,000 average annual revenue and dividing it by 1,600 hours, we get $312 an hour to keep the office operating profitably.
Toothseeker, If standard scaling procedure is performed, then it costs around $50-$135 and if extensive scaling and root planing is done, then it costs around $100-$400 per quadrant. Cost of dental filling varies on the basis of number of surfaces which are involved in dental filling.If more surfaces are involved, then cost will be more. Composite fillings cost around $100-$200 and cost of $1300 for dental cleaning and 4 ceramic dental filling is fine.Your dentist should have disclosed the price of procedure earlier only. he should have told you that you require dental filling and cleaning and it will cost you this much amount.omposite fillings cost around $100-$200 and cost of $1300 for dental cleaning and 4 ceramic dental filling is fine. Your dentist should have disclosed the price of procedure earlier only. he should have told you that you require dental filling and cleaning and it will cost you this much amount.