I've noticed most positions require certificates (X-ray), licenses, and school but sometimes those without experience can get hired. In this guide, we go over how to get a dental assistant job without certification, training, or going to school, including what to put on your resume.So, yes, I am a firm believer that it can work! To get a dental assistant job you must have a degree from an accredited university for the same. For most students, this is how you get started. I was rejected at the absolute end of the admission cycle, so it's not like I was rejected outright or immediately following the interview. Need help writing a top notch dental assistant cover letter? List the last 7 years of employment, self-employment or unemployment—do not substitute with a resume. Dear hiring manager,. I'm writing to express my interest in the dental assistant position at Dr. Schram's office, which I found advertised on Indeed.