2023 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services

2022 Washington Code 18.30.160 – Education and training–Nonorthodontic removable oral devices and teeth whitening services

2020 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services

2019 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services

2018 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services

2016 Washington Code 18.30.160 – Education and training–Nonorthodontic removable oral devices and teeth whitening services

2015 Washington Code 18.30.160 – Education and training–Nonorthodontic removable oral devices and teeth whitening services

2014 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services

2013 Washington Code 18.30.160 – Education and training — Nonorthodontic removable oral devices and teeth whitening services