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Fabricating Superhydrophobic Polymeric Materials for Biomedical Applications

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Published on: August 28, 2015

One step polymerizing technique for fabricating a hollow obturator.

Kazuhiro Hori¹, Tetsuo Miyamoto, Takahiro Ono

¹Division of Dysphagia Rehabilitation, Niigata University Graduate School of Medical and Dental Sciences, Japan.

Journal of Prosthodontic Research

|October 8, 2013

Summary

A novel one-step curing technique simplifies the fabrication of hollow obturators for maxillectomy patients. This method effectively prevents water leakage and reduces fabrication complexity, improving patient outcomes.

Keywords:

Closed hollow obturator Maxillofacial prosthodontics Obturator Thermoform

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Area of Science:

Oral and Maxillofacial Surgery
Biomaterials Science
Prosthodontics

Background:

Traditional closed hollow obturators for post-maxillectomy patients present challenges in fabrication and are prone to water leakage.
Existing methods often involve complex procedures and can compromise the prosthesis's integrity.

Observation:

A simplified one-step curing technique was developed using two thermoplastic resin sheets to create a hollow bulb core.
This core was integrated into the investment mold, with the obturator's circumference cured using pour-type resin.

Findings:

The technique successfully fabricated a lightweight obturator prosthesis (22g) for a 60-year-old patient.
One-year follow-up confirmed no water leakage or breakage, demonstrating the prosthesis's durability and functionality.

Implications:

This method offers improved control over obturator thickness and weight through adjustable hollow bulb relief.
It addresses key disadvantages of conventional hollow obturators, enhancing patient comfort and prosthesis longevity.