Results from air pressure and cephalometric measurements for control and cleft palate patients have been compared and correlated to evaluate palatopharyngeal competency. Distances measured in a static condition correlated best with nasal air flow. Pressure data correlated least with cephalometric measurements, and their value as a measure of palatopharyngeal competency is doubtful.
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References
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Quigley, L.F. : A Comparison of Air-Flow and Cephalometric Techniques for Evaluation of Normal and Cleft Palate Patients, Amer J Orthodont53:423-445, 1967.
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Chase, R.A.: An Objective Evaluation of Palatopharyngeal Competency, Plast Reconstr Surg26:23, 1960.
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Hardy, J.C.: Air Flow and Air Pressure Studies, Amer Speech Hearing Assoc Rep, 1965.
