Salary Information for a COA. According to PayScale.com, as of October 2014, the average hourly wage for most certified orthodontic assistants (COAs) was between $11.75 and $22.17, with a median hourly income of $17.his is slightly higher than for the majority of non-certified dental assistants, whose hourly wages ran from $9.74 to $18.21 at the same time period. An associate's degree in dental assisting is required for a career as an orthodontic assistant.
quart. n. 1. (Units) a unit of liquid measure equal to a quarter of a gallon or two pints. 1 US quart (0.946 litre) is equal to 0.8326 UK quart. 1 UK quart (1.136 litres) is equal to 1.2009 US quarts. 2. (Units) a unit of dry measure equal to 2 pints or one eighth of a peck.
A quart is one fourth of a gallon whether you are in UK or US. The difference in volume may be there, but the relation between a quart and pint remains the same in both countries which is that a quart is double in volume to a pint.y olivia. Pint vs Quart vs Liters. If you are from a country other than UK or US, and someone asks you to explain the difference between a pint, a quart and a liter, you would be flummoxed as you are used to the metric system that uses only liter as a unit of measurement of volume.