Dentaltown February 2018 - 42

message board

Freak Accident
A bur flies off inside a patient's mouth and cracks a healthy tooth-
now this Townie wants to know how and why such a thing could happen

toothdoc87
Member Since: 04/26/16
Post: 1 of 127

Hey Townies, just about cried last week after working on a patient. A grown man cry. Was
working on a crown #20, when I placed the handpiece in the patient's mouth, the bur literally
snapped in half from the shaft. Keep in mind that this was a brand new barrel bur and I hadn't
even touched the tooth yet. Anyways, the bur snaps at the shaft and I hear a big crack.
After I checked my drawers, I look down and see #25 snapped in half. (A beautiful virgin
#25). After staring at the tooth and realizing that this was in fact reality, I immediately sat the
patient up and explained what happened and how I've done this thousands of times but this was
a first. Luckily the patient took it well. However, I ended up doing two crowns and a root canal
for free.
Anyways, I wanted to know if this or anything freakish like this has happened to anyone?
And if you were me, how would you have handled this situation? I called the bur company and
spoke with the rep who tried to explain to me that this has never happened and couldn't have
happened! I told her "well it did." Not sure if the bur company should bear some responsibility.
Anyway, just wanted to hear some other opinions. ■
11/18/2017

benzwire
Member Since: 04/25/12
Post: 6 of 127

I'm having trouble understanding what happened. It sounds like you hit #25 with the bur
as you were putting the handpiece in the patient's mount (before ever starting the handpiece).
Is that correct? ■
11/18/2017

toothdoc87
Member Since: 04/26/16
Posts: 10 and 12 of 127

While holding the handpiece in position
close to #20 the tooth I was about to prep, the
bur snapped immediately after I put my foot on
the rheostat and the barrel head went flying and
happened to hit #25. ■

11/18/2017

ricklin
Member Since: 08/19/04
Post: 30 of 127

I regret to inform you that this one is on you. Glad your patient is cool with you taking care
of the issue.
That diamond is way too large to be used in a 1:5 handpiece. A #8 round is the largest bur
that is to be used in a 1:5. Some manufacturers' limit high speed 1:5 to a #6 round.
Can't spin something that big at up to 200,000rpm or bad things happen, as you have
learned the hard way. ■
11/18/2017

FEZOJ
Member Since: 11/27/12
Post: 41 of 127

42

This doesn't make sense at all. Is it in any way possible that the tooth was broken before
this incident? Did you see the bazooka hit the incisor? I had a patient who tried to blame me for

FEBRUARY 2018 // dentaltown.com


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