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.
Quarts to Grams [ water ] (qt to g [ water ]) Conversion Calculator. 1 quart (qt) = 946.352946 gram (g).