Page 37 - The Beauty and Sorrow in Endodontics-Chapter 1

(Fig 20J)

The backfill follows the natural curvature of the root
with progressive taper throughout the canal. Other
than the excessive coronal drilling done during the

attempt to remove the broken file, the obturated case
is almost perfect and the apical and coronal seal were
both well done.

S Case completed by an attendee of Dr. ChihPing Chen’s Endodontic
Continuing Education Course

CC (by dentist): “I broke a file in tooth 22 (Fig 20A) and tried to remove it,
#
but I’m worried I’m removing too much tooth structure coronally (Fig 20B)”
HCC: The dentist tried to remove the separated file that was lodged at the

orifice, but without luck. He had considered alternate plans, including
obturating with the instrument in the canal or convincing the patient to
1
opt for extraction, but decided to refer to ease his conscience.
#
O Rad: 22 Large restoration, previously initiated with a broken file
#
A Dx: 22
Pulpal: Previously Initiated

P Treatment procedure discussed with the dentist; the author requested 7
radiographs throughout the procedure to verify that the principles of

Schilderian Endodontics have been strictly followed.

2
#
1) Removal of the broken file in 22 (by the author)
The file was successfully removed with the aid of a microscope to avoid
excessive removal of dentinal tissue.
#
2) Complete 22 root canal treatment (by referring dentist)
1. Fig 20D (pre-op) – This radiograph provides a lot of information that the

naked eye cannot see, for example: width of the pulp chamber; root canal
3
calcification and curvature; approximate length of the canals , any

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