Very Low Risk Low Risk Procedures Medium Risk Procedures High Risk Procedures
GENERAL PROCEDURES •  Examination
•  Radiography
•  Local anesthetic infiltration
•  Local anesthesia nerve block
 
ORAL SURGERY   •  Simple single dental extractions
•  Soft tissue biopsy ≤ 1 cm in size
 
•  Simple extractions ≤ 5 teeth
•  Soft tissue biopsy 1-2.5 cm in size
•  Placement of single implants
•  Multiple extractions > 5 teeth
•  Surgical extractions requiring raising of periosteal flap and bone removal e.g., wisdom  teeth removal
•  Soft tissue biopsy > 2.5cm
•  Osseous biopsy
•  Removal of torus
•  Placement of multiple implants
PERIODONTOLOGY •  Periodontal Probing
 
•  Superficial (supragingival) prophylaxis
 
•  Ultrasonic scaling
•  One to two quadrants (6-12 teeth)  deep (subgingival) cleaning
•  Localized gingival surgery ≤ 5 teeth
•  Full mouth (3 or 4 quadrants) deep (subgingival) cleaning
•  Generalized gingival surgery of >5 teeth
RESTORATIVE DENTISTRY •  Certain orthodontic procedures e.g., wire adjustments
•  Denture fabrication and repair
 
•  Placement of rubber dam
•  Restorations (fillings)
•  Crown preparation
•  Root canal therapy
•  Prosthetic rehabilitation of implant
•  Certain orthodontic procedures e.g. band and bracket removal, wire insertion
 
  •  Endodontic surgery which involve osseous manipulation
Table 2: Risk of common in office dental procedures.