A text-book of dental histology and embryology, including laboratory directions . the enamel and drawnfrom the dentine to the surface of the enamel. When anarrow cut has been made from the mesial to the distalpit, a chisel placed at the edge of the opening will split outthe enamel as indicated in Fig. 51. Xow the walls must beplaned so as to bring the buccal and lingual walls into the as a >3 5 a 3 3 g C 333 -> » m on* walbutf -• CD ^ — .«- g | B &B 1 O leav inn mel enti 3 _ (t> 0> • g-ft , show ends j ds is t 6, poi S3 o J? — 0 J ° »« QD Co _ *1 ore aiUt oreatwhi QD o king
A text-book of dental histology and embryology, including laboratory directions . the enamel and drawnfrom the dentine to the surface of the enamel. When anarrow cut has been made from the mesial to the distalpit, a chisel placed at the edge of the opening will split outthe enamel as indicated in Fig. 51. Xow the walls must beplaned so as to bring the buccal and lingual walls into the as a >3 5 a 3 3 g C 333 -> » m on* walbutf -• CD ^ — .«- g | B &B 1 O leav inn mel enti 3 _ (t> 0> • g-ft , show ends j ds is t 6, poi S3 o J? — 0 J ° »« QD Co _ *1 ore aiUt oreatwhi QD o king aff at 6; to maeh ini 3 0 -* o> » o g QD 3 CQ 0 Q- o 2 3 o o- o 3T CO -4 © Si- EL 2, waly trimnamelrods a 3 * § a o » &3 5 Cfl c m o r* ?* - 2 o —j °^il 2 .-= SI _. (D 5. £ & ? 0 a) -* c5 5T E? 2 • 5 9& St 0 0 ~j OD t exi surf on; 80 3 (5 X « » 5 w O -r 0 CD ~ S3 0. < CD CQ 20 p 0 3 «r a CQ ^ 0 cT cr a - o 5 ^ s ^ PLATE IV. Preparation of Enamel Wall in Gnarled Enamel. 1, enamel wall as cleaved, showing breaking across rods and sliveringat a. 2, wall as smooth, but not extended to remove short rods whoseinner ends are cut off at b. 3, wall extended and trimmed to a positionof strength. D, dentine; De, dento-enamel junction; c, eavosurfaee angle;b, point where inner ends of rods are cut off; a, slivering of the tissue.(About 80 X) PREPARATION OF SIMPLE OCCLUSAL CAVITIES 91 axial plane, and the structural requirements will have beencompleted (Fig. 52). Fig. 53 shows the relation of thecavity to the crown. Fig. 50
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectteeth, bookyear1912
