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Submitted Presentation

SP-11 - Decompression of Large Cystic Periapical Lesions: A Conventional Approach in the New Era

Friday, April 4, 2025
11:00 AM – 11:45 AM EST
Location: Hynes Convention Center, Floor 3, Room 313
Earn 0.75 CE Credits

    Speaker(s)

  • Feng-Ming Wang, DDS, PhD

    Clinical Associate Professor
    Texas A&M University
    Texas A&M University College of Dentistry
    Dallas, Texas

    Disclosure(s): No financial relationships to disclose

    Handouts

    • Session Host(s)

  • Nadia Chugal, DDS, MS, MPH

    Program Director
    University of California, Los Angeles
    Los Angeles, California

    Disclosure(s): No financial relationships to disclose

Disclosure(s):
Feng-Ming Wang, DDS, PhD: No financial relationships to disclose
Nadia Chugal, DDS, MS, MPH: No financial relationships to disclose
Presentation Description/Abstract: Managing large cystic periapical lesions presents significant challenges for clinicians, especially when non-surgical treatment or retreatment options prove ineffective. Surgical intervention involving debridement and apical resection may be deemed contraindicated due to factors such as the proximity to vital anatomical structures, the risk of damage to adjacent teeth, and compromised healing associated with significant bony defects. Despite these challenges, decompression offers a minimally invasive treatment alternative that is frequently overlooked in modern dentistry.

This presentation aims to explore the indications and advantages of decompression in treating large cystic periapical lesions. Through clinical case studies and follow-ups, we will demonstrate essential steps, including pre-operative assessment using cone-beam computed tomography (CBCT) scans, needle aspiration-irrigation techniques, and the placement of a Penrose drain. Furthermore, we will review pertinent literature to highlight the biological principles, clinical efficacy, and long-term outcomes associated with decompression.

Learning Objectives:

  • Describe the clinical indications for decompression and conduct a preoperative assessment using conebeam computed tomography (CBCT) scans.
  • Perform aspirationirrigation techniques and utilize a Penrose drain for decompression.
  • Evaluate the outcome of decompression in treating large cystic periapical lesions.