Page 66 - My FlipBook

34 DENTAL ANATOMY
J

and put on a high, smooth finish with a mouth blowpipe.
The margins of the section should extend slightly above the
level of the sealing wax so as not to interfere later with the
making of a good print.
{e) Cutting the Relief Line.—With a small wheel bur or 4
chisel cut a relief line on the longitudinal section at the I

junction of the enamel and dentin, removing the stratum

iii.i r*' ''::;l:
m'/^mm I) ;• III
' ''•
,r.i |, ;
i.; Ml:
.'
1 i'''^i::i!i /'
IP

HI. /;. >:

I !l i .1 III It'll'
,

Fig. 46.—Mid-root section of an upper Fig. 47.—Apical third section of the
central incisor, mounted and annotated. upper central incisor.

granulosum and thus bringing out the thickness of the enamel
cap.
(f) Finishing.—Smooth the entire exposed surface of all
the sections with fine sandpaper.

Labeling or Annotating the Sections.—For the upper
(g)
longitudinal sections, mark the notation, as Jj^ _2, _3_ in the
upper left-hand corner and the aspect presenting to view as La.,

Li., Bu., in the upper right-hand corner (Fig. 42). For the
lowers place them in the lower left- and right-hand corners

I