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Clinical Theory
Periodontal Files
Question | Answer |
---|---|
Description of Files | Multiple blades, Shank, Base, Back, may be single or double ended |
What are the angles on the short fine blades | 90-105 |
How many cutting edges does a file have | 3-10 or 11 |
What are the indications for files | crush and pulverize calculus, burnished calculus, smooth CEJ, smooth overhanging restorations, root planning |
What are the limitations of files | reduce tactile sensitivity, adaptability limited due to rigid shank, ability to easily gouge the root surface or cause tissue trauma, difficult to sharpen |