Sensory topography of the oral cavity and the impact of free flap reconstruction: a preliminary study

Head & Neck
Karen B ZurMark L Urken

Abstract

The purpose of this prospective randomized study was to (1) assess the computerized pressure-specific sensory device (PSSD) as a tool for measuring oral cavity sensation, (2) establish a topographic sensory map of the oral cavity, and (3) objectively evaluate postoperative sensory recovery of noninnervated oral cavity free flap reconstruction. Twenty-three healthy control subjects were recruited to test four intraoral sites and the volar forearm. Sensory scores were evaluated for consistent trends between an established sensory tool, the Semmes Weinstein Monofilament (SWM), and the PSSD. Sensory control values were then compared with those of 18 patients who underwent reconstruction of the oral cavity with a noninnervated microvascular free flap. The SWM testing demonstrated the lowest sensory thresholds in the lower lip, followed by the lateral tongue, buccal mucosa, and central tongue. The PSSD also demonstrated the lowest sensory thresholds in the lower lip followed by the lateral tongue; however, the central tongue demonstrated a lower sensory threshold than did the buccal mucosa. The neotongue of patients with noninnervated free flaps demonstrated inferior sensation compared with the native tongue (p < .05). We have establ...Continue Reading

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Citations

Aug 30, 2013·Plastic and Reconstructive Surgery·Benedetto LongoFabio Santanelli
Oct 10, 2015·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Feng ZhaoDehu Tian
Sep 20, 2011·Journal of Oral Rehabilitation·T T ElfringJ M Rieger
Dec 29, 2009·Oral Oncology·Mathew BakMark L Urken

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