Kan. Stat. § 65-1456a
A dental hygienist who meets the requirements of subsections (f)(1) or (g)(1)(A) of K.S.A. 65-1456, and amendments thereto, prior to a period of retirement or disability, but not within the past three years, and is returning to active practice after such period of retirement or disability under K.S.A. 65-1431(i), and amendments thereto, or who has retained a license to practice but has not practiced in the past three or more years may qualify for an extended care permit by completing a refresher course approved by the board under K.A.R. 71-3-8 or performing 200 hours of dental hygiene care within the last 12 months under the supervision of dentists licensed in the state of Kansas and provides the board with a letter of endorsement from one of the supervising dentists.
K.S.A. 65-1456a