Gingival curettage 1

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Information about Gingival curettage 1

Published on March 20, 2014

Author: ruh006



gingival curettage

Gingival Curettage Wilkins, chapter

Learning Objectives • Distinguish between gingival and subgingival curettage • Identify the indications & contraindications for gingival curettage • Describe the procedure • Describe the healing that takes place following curettage

Introduction • Refers to the scraping of the pocket wall • Separates diseased soft tissue • Inadvertent curettage occurs with periodontal debridement

Definitions • Gingival Curettage: – Removal of inflamed soft tissue • Removes diseased sulcular & junctional epithelium – Indications: pseudopockets, shallow true pockets – Objective: gingival shrinkage

Definitions • Subgingival Curettage: – Performed apical to epithelial attachment • Removes connective tissue attachment down to alveolar crest – Indications: deep pockets – Objectives: reattachment

Rationale • Removes granulation tissue – Within granulation tissue we find: • Areas of chronic inflammation • Bacteria, calculus – Epithelial tissue lines granulation tissue • May pose barrier to new fiber attachment

Rationale • However, – Granulation tissue slowly resorbs following debridement – Bacteria eliminated – Tissue heals • Questionable: – Whether curettage significantly improves health of tissue beyond what is seen with periodontal debridement

Indications • Generally limited: – Moderately deep infrabony pockets where new attachment attempted • Closed surgery advised • Technically difficult procedure • Inadequate accessibility – When surgical techniques not advised • Due to age, systemic problems • Goal of pocket elimination compromised

Indications • Maintenance therapy – In areas of chronic inflammation, especially if client has had pocket reduction surgery

Basic Technique • Periodontal debridement performed prior to curettage • Tissues anaesthesized • Appropriate selection of instruments – Curettes, universal curette • Curette blade placed against tissue – Horizontal stroke

Basic Technique • Irrigate tissues to flush out debris • Gentle finger pressure applied to adapt tissues • Separated interdental papillae may require sutures • Surgical dressing may be indicated

Other Techniques • Excisional New Attachment Procedure • Ultrasonic Curettage • Chemical Curettage • Laser Fiber Curettage • Students can do their own research on the above techniques

Healing Following Debridement & Curettage • Uneventful healing • Formation of long junctional epithelium • No significant differences when compared to debridement therapy alone

Curettage using Laser Fiber Fiber tip slowly inserted into pocket & kept parallel to tooth Usually painless Moved apically until pocket base reached Vaporizing of pocket epithelium, subgingival plaque & some granulation tissue occurs

Curettage using Laser Fiber Fiber, held in contact with root surface, is slowly moved coronally & withdrawn This vaporizes microbial debris on root surface Any remaining deposits can be removed with a curette

Results of Curettage - Laser Fiber Before treatment – pockets measure 7-8 mm

Results of Curettage - Laser Fiber Just after treatment 3 months after treatment – 3 mm pockets

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