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25 Cards in this Set
- Front
- Back
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What are the 3 different stokes? |
Vertical Oblique Horizontal |
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A sickle scaler is used for what? |
Supragingival deposit removal |
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What type of back does a sickle scaler have? |
Pointed back |
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The tip of the sickle scaler is what? |
Pointed |
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What is the cross section of a sickle scaler? |
Triangular |
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How many cutting edges per working end? |
two |
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The face is what to the Lower shank? |
Perpendicular |
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On the anterior sickle scaler how many working ends are needed to instrument the crowns? |
One |
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On a posterior sickle scaler the working ends are what to each other? |
Mirrored |
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The triangular cross section limits what? |
use to above the gingival margin because of the pointed tip and back |
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level cutting edges mean that the lower shank must be tilted towards or away from the tooth to establish correct angulation? |
Towards |
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For posterior teeth what instrument is needed? |
One double ended instrument |
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For anterior teeth what instrument is needed |
One single ended instrument |
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Sickle scalers can remove what? |
Medium to large size supragingival calculus |
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What angulation is needed for sickle scalers |
70 to 80 degrees |
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What are vertical strokes most commonly used on? |
Anterior teeth and mesial distal surfaces of posterior |
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What are oblique strokes most commonly used on? |
Facial lingual of posterior teeth |
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When are Horizontal strokes most often used? |
at the line angles of posterior teeth
Midlines of facial or lingual of anterior teeth |
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Anterior sickle scalers are limited to what teeth? |
Anterior |
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Posterior Sickle Scalers are limited to what teeth? |
Are designed for posterior but can be used on anterior |
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Sickle scalers primary functions? |
Calculus removal on proximal surfaces of anterior crowns
enamel surfaces apical to the contact areas of posterior teeth |
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The face of the working end is at what degree angle to the lower shank |
90 |
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The outer cutting edge of the posterior sickle scaler is further or closer to the instrument handle |
Farther |
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What surfaces is the outer cutting edge used for? |
Facial ,lingual, and mesial |
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What surfaces is the inner cutting edge used for? |
Distal |
