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Related Experiment Video

Updated: Aug 1, 2025

Author Spotlight: Advancing Endoscopic Ossiculoplasty – Techniques, Innovations, and Practical Guidance for Clinical Integration
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Obturators: A proposed classification and its associated techniques.

Ranjoy Hazra1, Ayush Srivastava1, Dinesh Kumar1

  • 1Department of Prosthodontics and Crown and Bridge, Army Dental Center (Research and Referral), New Delhi, India.

Journal of Indian Prosthodontic Society
|April 27, 2023
PubMed
Summary
This summary is machine-generated.

Existing maxillectomy defect classifications lack prosthodontic considerations. A new classification and treatment approach improve obturator prosthesis outcomes for patients with complex maxillary defects.

Keywords:
Classificationobturatortreatment planning

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Prosthodontics
  • Dental Materials

Background:

  • Maxillectomy defects present challenges for prosthetic rehabilitation due to issues with retention, stability, and support.
  • Current classifications do not adequately address favorable or unfavorable defect characteristics from a prosthodontist's perspective.
  • Surgical defects can create oro-nasal and oro-antral communications, impacting function and quality of life.

Purpose of the Study:

  • To propose a novel classification system for maxillectomy defects that incorporates prosthodontic considerations.
  • To introduce a treatment-based classification for improved treatment planning in maxillectomy patients.
  • To describe the prosthetic rehabilitation of maxillectomy defects using obturator prostheses based on the new classification.

Main Methods:

  • A case series of maxillectomy patients with varying defects was studied.
  • A new classification system was developed, considering presurgical prosthodontic involvement and remaining dentition.
  • Obturator prostheses were designed, fabricated, and analyzed according to the proposed classification and treatment modalities.

Main Results:

  • A novel classification for maxillectomy defects, considering prosthodontic factors, was proposed.
  • A treatment-based classification was introduced to facilitate case management.
  • The study describes the successful rehabilitation of diverse maxillectomy defects with custom obturator prostheses, detailing designs, retention methods, and fabrication procedures.

Conclusions:

  • The proposed classification offers a more objective and operator-friendly approach to treatment planning for maxillectomy defects.
  • Obturator prostheses effectively restore missing structures, improve function, and enhance the quality of life for patients.
  • A prosthodontist's early involvement and a tailored classification system are crucial for optimal prosthetic rehabilitation outcomes.