As a lead dental assistant, you will be a dentist's second in command. You will assist in many of the procedures and may even perform some procedures like teeth cleaning and taking X-rays. You will also perform administrative tasks like scheduling and record keeping. Your biggest function, however, is to manage and supervise the other dental assistants. You will create schedules, supervise them during procedures, train them, monitor their performance, etc.
This position requires you to be at least certified by an accredited program, but recruiters would prefer to see a diploma or degree in dentistry. Additional qualifications like a degree will also increase your chances of getting higher pay. Recruiters will also want to see that you have had successful experience as a manager or leader. Take a look at this strong resume sample.