Missouri Statutes & Rules
Statutes
Rules
- 20 CSR 2110-2.120 Dental Assistants and Expanded Functions (pages 8-10)
- Delegable functions under direct supervision
- 20 CSR 2110-2.120 Dental Assistants and Permitted Acts (page 8)
- Administer/monitor nitrous oxide analgesia under direct supervision
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