A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . made by forcing the vocalized breaththrough a somewhat constricted opening at thedorstun of the tongue and on over its concavedsurface, the sides and tip being slightly the explosive aspirate ru as in run, the r soundis interrupted by the end of the tongue momen-tarily approaching the roof to produce a moreforcible and sudden emission. The mechanism of the other oral elementsis well shown. The Explosive Aspirates The Explosive Aspirate elements are thosewhich are utter
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . made by forcing the vocalized breaththrough a somewhat constricted opening at thedorstun of the tongue and on over its concavedsurface, the sides and tip being slightly the explosive aspirate ru as in run, the r soundis interrupted by the end of the tongue momen-tarily approaching the roof to produce a moreforcible and sudden emission. The mechanism of the other oral elementsis well shown. The Explosive Aspirates The Explosive Aspirate elements are thosewhich are uttered with a somewhat suddenexpelling of the breath, not unlike explosives, asit joins the vocal, though the principal part ofthe sound is aspirate. The difference betweenopen and explosive aspirates will be recognized in pronoiuicing when and went. The English symbols which represent the explosive aspirate elements arech, f, g j, 1 (hard), q, r, w, and initial y. Arranged respectively as regards positionand mechanism of utterance they are as follows : In w, as in watt, was, etc., the emission occiu^s at the The above Chart shows the position of the tongue,lips, etc., in uttering the Explosive Aspirate Ele-ments. Note the closed oro-nasal passage. 436 PART IX. THE PROSTHETIC CORRECTION OF CLEFT PALATE In f (initial), as in few, fur, etc., between lower lip and teeth. In 1 (initial), as in late, lot, etc., at the sides of the tongue with the endtouching the anterior alveolar ridge. In ch, as in church, g (soft), and j, as in George and James, between theflattened blade of the tongue and the anterior palatal surface. In q, as in quick, between the dorsum of the tongue and the soft palate. In r (initial), as in nxn, rat, etc., same as the open aspirate r, except that theend of the tongue is brought into contact with the palatal surface to start thesound. In (initial) y, as in yet, yoke, etc., between the soft palate and dorsum of thetongue with end depressed. The position and
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