A Certified Dental Assistant (CDA) plays a crucial role in dental practices, ensuring efficient patient care and smooth operations. Responsibilities include assisting dentists during procedures, managing patient records, sterilizing instruments, and educating patients on oral hygiene. Required skills include attention to detail, excellent communication, and technical proficiency. CDAs typically work in dental offices, collaborating with dentists, hygienists, and administrative staff. Career progression includes roles like lead assistant, office manager, or dental hygienist through continued education and certification.