Surgical Orthodontics Question And Answers

Surgical Orthodontics

Write short note on Edward’s procedure.
Or
Write short note on pericision.
Or
Write short answer on circumferential supracrestal fibrotomy.
Answer. Since the procedure was given by Edward it is named as Edward’s procedure

• This procedure is carried out to help minimize the extent of rotational relapse of teeth.
• It is also known as supracrestal fibrotomy or circumferential supracrestal fibrotomy or sulcus slice procedure or pericision.

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Principle of Edward’s Procedure

• Relapse after orthodontic treatment occur due to rebound of network of elastic supracrestal gingival fibers.
• As teeth move to new position, these fibers are stretched and remodelling of these fires take long time.
• This procedure involves elimination of pull of elastic supracrestal gingival fibers by sectioning these fibers.
• Teeth are held in the corrected position when the fibers heal, thereby reducing the relapse caused by elasticity of the gingival fibers.

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Edward’s Procedure

• Under local anesthesia, sharp point of the fie blade (No 15 B.P blade) is inserted into the gingival crevice till the alveolar crest of the bone.
• Blade should be kept parallel to the tooth surface.
• At around the circumference of the tooth, blade is passed. This severs the fibers connecting tooth to the gingival soft tissues.
• Interproximal cuts should be made on each side of the rotated tooth.
• At along the labial and lingual gingival margins cuts are also given. If the labial gingiva is thin, this cut is removed.
• Pericision is generally undertaken as adjunctive retention procedure after correction of rotations.

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