Hand Instruments Flashcards
The “tip” of a hand instrument actually has 4 separate parts to it. What are these parts?
Terminal shank - the bend or curve from the Shank introducing the working end
Working end - the functional part of the tool
Face - the functional side of the working end
Toe - the true tip of the instrument
What is the primary purpose of a Periodontal probe?
Measure periodontal pocket depth and determine degree of ginigval inflammation
Periodontal probes are calibrated in what unit of measurement?
mm
Traditional periodontal probes go from 1mm to 10mm and are missing numbers ___ and ____
4 and 6
_____ periodontal probes are impossible to use in cats
flat
To measure pocket depth with a periodontal probe, where do we measure from and to?
From gingival margin to the base of the pocket
Explorers typically come in what 2 shapes?
Shepard’s hook or Pig tail
What is the primary purpose of the Explorer?
To glide along the tooth surface feeling for irregularities
What is the primary purpose of the Dental mirror?
To better visualize the palatal/lingual surfaces
Define scaling
removal dental deposits from supra and subgingival surfaces
______ (instruments) are best for subgingival calculi removal.
Curettes
______ (instruments) are best for supra-gingival calculi removal
Scaler
Why can’t hand scalers be used sub-gingival?
The sharp tip cannot be used below the gumline, it is damaging
What is included in the working end of a hand scaler?
The face and 2 cutting edges
What shape is a scaler in cross-section?
Triangle
