Scope of practice — what a dental hygienist may do, and under what level of supervision — is set by state law and changes over time, so verify current rules with the board before relying on them.

Illinois Board of Dentistry · Last verified: September 2026

Dental hygienist scope & requirements in Illinois →

Employers

Who’s Hiring Dental Hygienists in O'Fallon

2 employers have 6 open dental hygienist roles in O'Fallon, led by Heartland Dental with 5 openings.

Heartland Dental5 open The Dental Studio of Southern Illinois1 open

More Dental Hygienist Jobs Nearby

Dental Hygienist Jobs in Chicago Dental Hygienist Jobs in Naperville Dental Hygienist Jobs in Rockford Dental Hygienist Jobs in Orland Park Dental Hygienist Jobs in Arlington Heights Dental Hygienist Jobs in Champaign

See all Dental Hygienist jobs in Illinois →

About This Role

A registered dental hygienist (RDH) performs cleanings, periodontal therapy, x-rays, and preventive care under a dentist's practice.

Dental practices across the O'Fallon area hire for this role — the listings above are the live openings on DentistryHires right now.

Learn more about the dental hygienist career path →

Dental Hygienist Career Resources

How to Become a Dental HygienistThe steps from an accredited program to the NBDHE, a clinical exam and your state license.Read guide →Dental Hygienist SalaryThe national median, the percentile range and state-by-state pay from BLS data.Read guide →

More Dental Hygienist Resources

Dental Hygienist career guide →Dental Hygienist salary guide →Dental Hygienist salary in Illinois →Dental hygienist scope & requirements in Illinois →

FAQ

Frequently Asked Questions

01How many dental hygienist jobs are open in O'Fallon, IL right now?

As of September 2026, DentistryHires is showing 6 live dental hygienist openings in O'Fallon, IL. They come from 2 employers. The listings at the top of this page are that feed.

02What does a dental hygienist earn in Illinois?

The Illinois median for dental hygienists is $96,670 a year, -1% against the national median (BLS OEWS (SOC 29-1292), May 2025).

03What licence does a dental hygienist need in Illinois?

The Illinois Board of Dentistry sets the licensing rules for dental hygienists in Illinois. The summary on this page was last verified in September 2026. See the Illinois requirements page for the current rules.

04Which employers are hiring dental hygienists in O'Fallon?

The O'Fallon listings currently come from 2 employers, including Heartland Dental (5) and The Dental Studio of Southern Illinois (1).