* In Colorado, indirect supervision requires only preapproval, not the presence of a dentist.
† In Idaho, provision of sealants and prophylaxis without prior examination by a dentist is permissible for volunteer dental hygienists.
Sources: 1. Langelier M, Baker B, Continelli T. Development of a New Dental Hygiene Professional Practice Index by State, 2016. Rensselaer, NY: Oral Health Workforce Research Center, Center for Health Workforce Studies, College of Integrated Health Sciences, University at Albany; November 2016. https://oralhealthworkforce.org/wp-content/uploads/2018/02/OHWRC_Dental_Hygiene_Scope_of_Practice_2016.pdf
2. Langelier M, Continelli T, Moore J, Baker B, Surdu S. Expanded scopes of practice for dental hygienists associated with improved oral health outcomes for adults. Health Affairs. 2016;35(12):2207-2215. doi: 10.1377/hlthaff.2016.080
This work was supported by the Health Resources and Services Administration (HRSA) of the US Department of Health and Human Services (HHS), as part of an award totaling $450,000 with 0% financed with non-governmental sources. The information presented in this infographic is based on research conducted by the authors and does not necessarily represent the official views of, nor an endorsement by HRSA, HHS, or the US government. For more information, please visit HRSA.gov.
This graphic describes the highest level of practice available to a dental hygienist in a state, including dental hygiene therapy. Some provisions highlighted in this infographic may apply only to dental hygienists in collaborative care agreements and/or dental hygienists practicing in specific settings, including but not limited to public health settings and designated Health Professional Shortage Areas. This graphic is for informational purposes only and scope of practice is subject to change. Contact the applicable dental board or your attorney for specific legal advice.
This infographic is the property of the OHWRC and may not be modified in any way. It may be shared publicly in its current form in its entirety, including the attribution stated above.
Last Updated November 2024.