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Postburn Microstomia Prevention Using an Appliance Providing Simultaneous Horizontal and Vertical Adjustable Forces.
Gregory S Antonarakis1, Sandra Fastlicht, Taras Masnyi
1*Department of Orofacial Rehabilitation, University of Geneva School of Dental Medicine, Switzerland; and †Department of Dentistry, Hospital for Sick Children, Toronto, Ontario, Canada.
Summary
Microstomia from facial burns can impair function and aesthetics. A new, inexpensive appliance offers comfortable, adjustable stretching to improve mouth opening and outcomes.
Area of Science:
- Reconstructive Surgery
- Biomedical Engineering
- Oral Rehabilitation
Background:
- Microstomia, characterized by an abnormally small oral orifice, frequently complicates perioral facial burns.
- Scar contracture of circumoral tissues and muscle hypotonia lead to functional and aesthetic impairments, affecting eating, speech, and dental care.
Observation:
- Existing appliances for microstomia treatment primarily focus on horizontal stretching, with vertical stretching presenting a significant challenge.
- A novel dynamic commissural appliance has been developed to address the need for effective vertical and horizontal circumoral stretching.
Findings:
- The described appliance, fabricated from acrylic resin and expansion screws, provides simultaneous horizontal and vertical forces.
- It is easily and inexpensively constructed without impressions, allows for pain-free insertion, progressive activation, and patient-controlled pressure.
Implications:
- This innovative appliance offers a comfortable and effective solution for managing microstomia, improving mouth opening and overall functional outcomes.
- The design facilitates patient compliance and potentially reduces the long-term sequelae of perioral burn injuries.
