A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . mes only a portion will be closed, leaving a roundish opening at itsanterior border extending on to the floor of the nares. It is usually desirable totake advantage of this opening to a moderate degree, to aid in sustaining the obtura-tor upon that side, but never to the extent of preventing its easy removal. If CHAPTER III. TECHNIC CONSTRUCTION OF VELUM-OBTURATOR 445 the impression-plaster is allowed to freely enter this opening, it might cause should, therefore, be
A practical treatise on the technics and principles of dental orthopedia and prosthetic correction of cleft palate . mes only a portion will be closed, leaving a roundish opening at itsanterior border extending on to the floor of the nares. It is usually desirable totake advantage of this opening to a moderate degree, to aid in sustaining the obtura-tor upon that side, but never to the extent of preventing its easy removal. If CHAPTER III. TECHNIC CONSTRUCTION OF VELUM-OBTURATOR 445 the impression-plaster is allowed to freely enter this opening, it might cause should, therefore, be prepared by stuffing it with dough, leaving a free border,but with a depression of sufficient depth for a slight rim of the plaster and thefinal obturator to fit into. It should be understood by this that it is not absolutely necessary to obtaina clinging nasal seating for the obturator on both sides of the cleft, and especiallynot, if one side has a broad seating, as the veil of the obturator which rests upon thevelum-palati on the other side where it merges into the hard palate, will prevent Fig. 14. Fig.
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Keywords: ., bookcentury1900, bookdecade1920, bookidpracticaltre, bookyear1921
