Trismus device

Trismus device

Clinical Significance.—The templates offer a cost-effective method for reducing multiple teeth and inserting a metal-reinforced interimfixed prosthesi...

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Clinical Significance.—The templates offer a cost-effective method for reducing multiple teeth and inserting a metal-reinforced interimfixed prosthesis. The simplicity of the approach makes tooth preparation and delivery of laboratory-processed interim restorations easier and more predictable.

Papaspyridakos P, Lal K: Use of vacuum-formed templates to guide tooth preparation and insertion of interim restorations. J Prosthodont 19:303-306, 2010 Reprints available from P Papaspyridakos, Columbia Univ College of Dental Medicine, Div of Prosthodontics, 630 W 168th St, PH-E, Rm 121 A, New York, NY; e-mail: [email protected]

Temporomandibular Disorders Trismus device Background.—Trismus can develop after oral and maxillofacial surgery. Management is difficult, with lack of compliance with treatment contributing to the problem. Various mechanical aids have been developed to increase mouth opening but these are expensive, complicating routine use. A simple, inexpensive, and effective device was suggested. Methods.—The Patient Bite (Pat-Bite) consists of three or four tongue spatulas fastened at right angles above and below a 20 to 25-mL capacity syringe. Two elastic bands hold the tongue spatulas in place (Fig 1). One end of the spatula is placed in the mouth. The patient then presses on the other end, which lifts and opens the mouth more widely (Fig 2). Results.—Regular use of these devices by patients helps them to open their mouths to a much greater extent. Although not everyone may be able to use the device, it offers an effective method of treating trismus for many patients.

Fig 1.—The device. (Courtesy of Mehanna P: Battling trismus: The ‘‘Pat-Bite’’ device. Br J Oral Maxillofac Surg 48:316, 2010.)

Clinical Significance.—Trismus can be challenging to manage, and the devices that have been developed are just too expensive for many patients. Patients also are notorious for not complying with the treatment. The device described is simple, easy to use, and apparently works for many patients.

Mehanna P: Battling trismus: The ‘‘Pat-Bite’’ device. Br J Oral Maxillofac Surg 48:316, 2010 Reprints available from P Mehanna, Dept of Oral and Maxillofacial Surgery, John Hunter Hosp, Lookout Rd, New Lambton, NSW 2305, Australia; e-mail: [email protected]

Fig 2.—The device in use. (Courtesy of Mehanna P: Battling trismus: The ‘‘Pat-Bite’’ device. Br J Oral Maxillofac Surg 48:316, 2010.)

Volume 56



Issue 2



2011

79