Missouri Statutes & Rules

Statutes

  • 332.011 Definitions, Expanded-functions dental assistant
  • 332.093 Practice as a dental assistant defined
  • 332.098 Expanded-function duties, delegation of (requirements, rule-making authority)

Rules

  • 20 CSR 2110-2.120 Dental Assistants (pages 8-10). This rule includes: 
    1. Definitions
    2. Prohibited Acts
    3. Permitted Acts (assist in the administration of and monitor nitrous oxide analgesia under direct supervision)
    4. Expanded Functions Permits
    5. Categories (Functions delegable to a dental assistant possessing a board-issued permit to perform expanded functions)
    6. Expanded Functions Course Providers
    7. Delegated Acts

List of Expanded Functions

Functions delegable to a dental assistant possessing a board-issued permit to perform expanded functions are divided into five categories; restorative I, restorative II, orthodontics, fixed prosthodontics and removable prosthodontics. These are listed below by category.

Restorative I

  • Sizing and cementing of prefabricated crowns
  • Placing, condensing, carving, and finishing amalgam for Class I, V, and VI restorations
  • Placing and finishing composite for Class I, V, and VI restorations
  • Minor palliative care of dental emergencies (place sedative filling)

Restorative II

  • Sizing and cementing of prefabricated crowns
  • Placing, condensing, carving, and finishing amalgam for Class I, II, III, IV, V, and VI restorations
  • Placing and finishing composite for Class I, II, III, IV, V, and VI restorations
  • Minor palliative care of dental emergencies (place sedative filling)

Orthodontics

  • Preliminary bending of archwire
  • Removal of orthodontic bands and bonds
  • Final cementation of any permanent orthodontic appliance or prosthesis
  • Making impressions for the fabrication of any orthodontic prosthesis/appliance
  • Placement and cementation of orthodontic brackets and/or bands

Prosthodontics (Fixed)

  • Apply tissue retracting material prior to impression of a fixed prosthesis
  • Extra-oral adjustments of fixed prosthesis
  • Final cementation of any permanent appliance or prosthesis
  • Making impressions for the fabrication of any removable or fixed prosthesis/appliance
  • Sizing and cementing of prefabricated crowns

Prosthodontics (Removable)

  • Placement of temporary soft liners in a removable prosthesis
  • Extra-oral adjustments of removable prosthesis during and after insertion
  • Making impressions for the fabrication of any removable or fixed prosthesis/appliance