Sentence:  Eight percent of the dentists surveyed do not employ a full-time <WSD>chairside</WSD>; 44% have one full-time assistant at the chair; 29% employ two chairsides full time; and 19% of the dentists surveyed employ three or more full-time chairsides. 
Meaning of the word marked with <WSD> tags:  A dentist's assistant who helps with the inspection of the patient in the dental chair.