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PMI DH Instruments IMG_5595 - Coggle Diagram

- - - - universal (all teeth and surfaces)
    - - Cross Section- Semicircular, working-end- rounded back and toe, face- 90 degree angle and perpendicular to the lower shank, two cutting edges that come together in a rounded toe
    - - slight to moderate-sized calculus and prophy
  - - - Cross Section- Semicircular, working-end- rounded back and toe, face- 90-degree angle and perpendicular to the lower shank, two cutting edges that come together in a rounded toe
    - - slight to moderate-sized calculus and prophy
    - - universal (all teeth and surfaces)
  - - - slight to moderate-sized calculus and prophy
    - - universal (all teeth and surfaces)
    - - Cross Section- Semicircular, working-end- rounded back and toe, face- 90 degree angle and perpendicular to the lower shank, two cutting edges that come together in a rounded toe
- - - - Rounded back and toe, one working end per cutting edge, face tilts at a 70-degree angle to lower shank, one cutting edge is lower than the other, and semicircular cross section.
    - - Anterior teeth all all tooth surfaces
    - - Light to moderate calculus and prophy
  - - - Rounded back and toe, one working end per cutting edge, face tilts at a 70-degree angle to lower shank, one cutting edge is lower than the other, and semicircular cross section.
    - - Mesial and distal of anterior teeth and the mesial, lingual, and buccal of posterior teeth
    - - Mod to heavy calculus and NSPT
  - - - Rounded back and toe, one working end per cutting edge, face tilts at a 70-degree angle to lower shank, one cutting edge is lower than the other, and semicircular cross section.
    - - Posterior teeth: distal surfaces and mesial and distal surfaces of anterior teeth
    - - Mod to heavy calculus and used on perio patient
- - - - Area used
        
        supragingival use on posterior teeth
      - Blade anatomy
        
        Triangular, 2 cutting edges per working end, the cutting edges are parallel to each other, offset to 90 degrees
      - Calc and patient type:
        
        Removal of medium- to large-sized supragingival calculus deposits