File:Principles and practice of operative dentistry (1920) (14782213062).jpg

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Identifier: principlespracti1920mars (find matches)
Title: Principles and practice of operative dentistry
Year: 1920 (1920s)
Authors: Marshall, John Sayre, 1846-1922
Subjects: Dentistry, Operative
Publisher: Philadelphia and London, J.B. Lippincott
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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hich will give direct accessto the pulp-canal, treating it through this opening, and filling the cavity ofdecay without reference to its proximity to the pulp-canal. The superior and inferior incisors and cuspids should always be openedthrough the Ungual surface, as this gives direct access to the canal, whilethe canals of the bicuspids and molars, both superior and inferior, shouldfor the same reason be opened through the centre of the morsal surface. The most satisfactory instrument for making these openings is the spear-pointed drill, care being taken not to drive the drill beyond the floor ofthe pulp-chamber in those teeth which have multiple roots, as by so doingit might penetrate the bifurcation. In the superior first bicuspids and themolars generally this opening needs to be considerably enlarged in orderto enter their root-canals, as they usually form divergent angles to the floorof the pulp-chamber. This enlargement may be accomplished with cross-cutfissure burs or cone burs.
Text Appearing After Image:
PREPARA.TION AND TREATMENT OF PULP-CANALS 499 Fig. 559.

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Author Marshall, John Sayre, 1846-1922
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Flickr tags
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  • bookid:principlespracti1920mars
  • bookyear:1920
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:Marshall__John_Sayre__1846_1922
  • booksubject:Dentistry__Operative
  • bookpublisher:Philadelphia_and_London__J_B__Lippincott
  • bookcontributor:Columbia_University_Libraries
  • booksponsor:Open_Knowledge_Commons
  • bookleafnumber:660
  • bookcollection:medicalheritagelibrary
  • bookcollection:ColumbiaUniversityLibraries
  • bookcollection:americana
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30 July 2014
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