Parabolic Funnel Prep Review

Minneapolis, Minnesota ... June 30, 1994
Latest Update Saturday, January 17, 1998

One of the most frequent requests that I get is for a quick review of the parabolic funnel prep.

The basic sequence of files depends on the individual case but there are a few principles you should keep in mind.

  1. The only files used are Fine-Cut files...some hand files and some sonic.

  2. Fine-Cut Files do not cause ledges.

  3. Fine-Cut files can get stuck and be pulled forcefully out without causing them to break.

  4. Washed field technique packs no debris.

Since we would not cause a ledge, no matter what the sequence of the files, the order of the files is simply the best and fastest way we have found to do the prep.

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