. The principles and practice of dental surgery. ARTIFICIAL PALATE. VELUM AND UVULA. 841 the valve may be set back or forward, as desired by the patient,without removing the phite from the mouth. The plate shouhl be made to fit the several parts for which itis intended, with great ex-actness. The plate mustfit the roof of the mouth,and the teeth to which itmay be secured, in a fault-less manner. The slidemust be arranged so as topermit the valve to bedrawn so closely againstthe posterior opening of the nares, as to close them, or to bepushed back, so as to leave them entirely unobstructed. The
. The principles and practice of dental surgery. ARTIFICIAL PALATE. VELUM AND UVULA. 841 the valve may be set back or forward, as desired by the patient,without removing the phite from the mouth. The plate shouhl be made to fit the several parts for which itis intended, with great ex-actness. The plate mustfit the roof of the mouth,and the teeth to which itmay be secured, in a fault-less manner. The slidemust be arranged so as topermit the valve to bedrawn so closely againstthe posterior opening of the nares, as to close them, or to bepushed back, so as to leave them entirely unobstructed. Thespiral spring, as I have before remarked, must be made of sucha length as will allow the valve to rest slightly upon the uppersurface of the remnants of the lost velum. The valve shouldbe sufficiently Wide at its base to overlap the remnants of thevelum so far as the parts on each side will permit, without pro-ducing irritation. No other part of the valve than the baseshould be allowed to touch, unless when brought forward againstthe nares. Unl
Size: 1949px × 1283px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, bookpublisherphiladelphialindsa