Dental Assistant Most dental assistants work in a dental office and are trained to do a variety of duties. Most of these duties are done while working beside the dentist. Some duties included are helping prepare patients for treatment, passing instruments, and suctioning the mouth while the dentist performs his procedures. There are also laboratory duties included with this job such as sterilizing and preparing instruments, creating casts of the teeth, and making temporary crowns. The administrative part includes greeting patients, scheduling appointments, keep patients records, send bills, and perform other clerical duties as needed. There are several ways to become a dental assistant. Some states require assistants to graduate from an