sealing the bolus from the anterior oral cavity. Especially with large liquid boluses, the posterior aspect of the tongue and soft palate are closed together to prevent premature spill of the ...

a: Midline sagittal view. b: Posterior view of the oral ... and functions as a sphincter to close it, is the anterior boundary of the oral cavity. Other muscles that control the lips, and ...

Approaches to oral cavity resection are dictated by the location and extent of invasion. The ability to obtain clear, three-dimensional margins is the most important factor in selecting the surgical ...