Unlawful practice β€” Hygienists β€” Penalty.

Any licensed dentist who shall permit any dental hygienist operating under his supervision to perform any operation required to be performed by a dentist under the provisions of this chapter shall be guilty of a misdemeanor.

[1935 c 112 Β§ 28; RRS Β§ 10031-28. Formerly RCW 18.32.340.]