Re: Tooth crack

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Re: Tooth crack

Mark & Steven Bornfeld

27 Feb 2007 18:18

>>>>How can I tell the difference between crack and craze lines? How do
>>>>these crack lines form? Does loss of one tooth produce too much
[quoted text clipped - 25 lines]
> Could actually see the fractures (craze linew) as they were
> being caused.

I've heard this and it seems to make sense. Perhaps I'm just not
looking closely enough.

Steve

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Mark & Steven Bornfeld DDS
http://www.dentaltwins.com
Brooklyn, NY
718-258-5001

Newbie

27 Feb 2007 18:05

>>>How can I tell the difference between crack and craze lines? How do
>>>these crack lines form? Does loss of one tooth produce too much
[quoted text clipped - 19 lines]
>
>Steve

Also there is the occurrence of microfracturing cause by
the bur itself. 557's are notorious for causing these fractures
Quit using them shortly after starting to use magnification.
Could actually see the fractures (craze linew) as they were
being caused.

Mark & Steven Bornfeld

27 Feb 2007 15:07

>>How can I tell the difference between crack and craze lines? How do
>>these crack lines form? Does loss of one tooth produce too much
[quoted text clipped - 9 lines]
> this a sleeping occurance which the patient can not detect they are doing
> until a dentist points out the damage.

I have routinely seen these radiating out from amalgams of various
signs with absolutely no other signs of parafunction. Not saying that
just because I can't see it means it ain't there--but considering the
well-known setting expansion of amalgam, together with differences in
coefficients of thermal expansion between tooth structure and
restorative materials, I think it might be overdoing it to say that
"all" cracks should be considered the result of parafunction.

Steve

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Mark & Steven Bornfeld DDS
http://www.dentaltwins.com
Brooklyn, NY
718-258-5001

Amatus Cremona

27 Feb 2007 12:18

> How can I tell the difference between crack and craze lines? How do
> these crack lines form? Does loss of one tooth produce too much
> pressure hence crack lines on other teeth?

Your dentist should be able to tell if these are surface crazing lines, or
deep fracture lines.

These are all the result of "parafunctional" activity. That means activity
which is not associated with normal function of the organism. In this case,
we are discussing forceful clenching with isometric grinding (grinding
forces without actually moving the teeth across each other). Most often
this a sleeping occurance which the patient can not detect they are doing
until a dentist points out the damage.

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Amatus

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jessiezyt@yahoo.com	27 Feb 2007 07:35
I found some cracks on the edge of my back teeth and searched on internet. I think they might be so-called "craze lines". Because I don't have pain on these teeth. How can I tell the difference between crack and craze lines? How do these crack lines form? Does loss of one tooth produce too much pressure hence crack lines on other teeth?

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