By Ann W. Kummer
CLEFT PALATE & CRANIOFACIAL ANOMALIES: results ON SPEECH AND RESONANCE 3E is the single ebook of its variety to hide either oral and facial anomalies, in addition to cleft palate. Designed as a how-to advisor for the working towards clinician, this ebook emphasizes what scholars want to know within the office to guage and deal with people with speech issues relating to structural anomalies. universal craniofacial anomalies, linked anomalies, and genetic syndromes also are integrated. there's easy info on anatomy, body structure, and embryology of the face and oral hollow space. The publication covers how oral, dental, and ENT anomalies have an effect on speech, resonance, and feeding. The assessment part contains sensible details on tips on how to behavior a perceptual evaluate of speech and resonance and an intraoral exam. an summary bankruptcy on instrumental tactics is equipped for college students, and chapters on find out how to practice and interpret those systems is supplied for clinicians. The therapy part contains surgeries and using prosthetic units. particular speech-therapy ideas are defined for the remedy of speech error linked to resonance issues and velopharyngeal disorder. the necessity for multidisciplinary group review and therapy can be under pressure. This publication is simple to learn to maximise studying. Many caliber illustrative movies and video case experiences are used to supply useful wisdom on how one can evaluation and deal with affected members.
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Additional info for Cleft Palate & Craniofacial Anomalies: Effects on Speech and Resonance
Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. Anatomy and Physiology: Facial, Oral, and Velopharyngeal Structures very little change in the anterior–posterior dimension of the nasopharynx (Bergland, 1963; Kent & Vorperian, 1995; Tourne, 1991). However, there is significant change in the angle of the posterior pharyngeal wall and its relationship to the velum. In a newborn, the oropharynx curves slightly to form the nasopharynx.
Kent and Moll (1969) found evidence to suggest that the velar elevating gesture for a stop begins earlier and is executed more rapidly when the stop is voiceless rather than voiced. The production of nasal consonants during an utterance has an additional effect on velopharyngeal function and timing. The velum remains elevated, and closure is maintained throughout the utterance as long as oral consonants or vowels are being produced. As a nasal consonant (/m/, /n/, /ŋ/) is produced, the velum lowers quickly and the pharyngeal walls move away from midline, thus opening the velopharyngeal valve to allow for nasal resonance.
Nonpneumatic activities include swallowing, gagging, and vomiting. With these activities, the velum is raised very high in the pharynx and the lateral pharyngeal walls close tightly along their entire length. Closure appears to be almost exaggerated and is very firm, as viewed through videofluoroscopy. This type of closure is necessary because the purpose of closure in these cases is to allow substances to pass through the oral cavity while preventing nasal regurgitation. In swallowing, velopharyngeal closure is further assisted by the back of the tongue, which raises against the velum, thus pushing the velum up and back (Flowers & Morris, 1973).