Date: Monday, May 07, 2007 11:09 PM
From: "ESCO automatic digest system" <LISTSERV@LISTSERV.UIC.EDU>
Subject: ESCO Digest - 2 May 2007 to 7 May 2007 (#2007-45)
To: ESCO@LISTSERV.UIC.EDU

There are 6 messages totalling 246 lines in this issue.

Topics of the day:

1. Re: Addendum to reimplanted incisor posting
2. Damon mesh
3. Orthocad IQ
4. Reply To Dr. Speck
5. Re: Addendum to reimplanted incisor posting
6. Re: Addendum to reimplanted incisor posting

 

Date: Saturday, May 05, 2007 10:14 PM
From: Mark Cordato <markc@IX.NET.AU>
Subject: Re: Addendum to reimplanted incisor posting

Dear Mort,

My first response was going to be transplant as per Zacchrisson. I have
heard Prof Joho advocate still transplanting in adults but taking some of the
apex off, a little too brave for me. I have several sucessful transplants in
place and hopefully another three on the way (won't know for sure for
years).

Your option of extract and if the tooth ankyloses or resorbs then use
prosthetics later.

I see if I can avoid the idea of removing a good tooth so that later a
prosthetc solution can be used. I would contemplate the use of lateral
incisors in the central incisor position. Line the gingival margin of the lateral
up with that of the central then I would look to distribute the space 1/3 to the
mesial and 2/3 to the distal of the lateral incisor for the later buildup. I often
place a composite both on the mesial and distal to give me the exact width
of the space that I want. Is this aesthetically perfect? no, the root is smaller
and the crown appears to emerge from that smaller root but then an implant
is likely to show a few screw threads after a couple of years and it will be
relatively shorter with continued facial growth. Both the alveolus and the
implant option remain later but, obvioulsy the canine will be in the lateral
incisor position leading to asymetry in the smile (I know this is redundant
covering this with you but it does need to be considered) and if you leave the
patient with a stake in the decision with both the pros and cons then they will
usually appreciate that (again, you are probably already doing this) and they
have a stake in the result, good or unlucky.

Cheers,
Mark Cordato
markc@ix.net.au
Bathurst
Australia


Date: Saturday, May 05, 2007 3:05 PM
From: Roy King <rkking@BELLSOUTH.NET>
Subject: Damon mesh

ESCO,

The most likely reason outside operator error for bond failure within the
first week is the 100 gauge mesh on the Damon bracket. It has been reported
in the literature that 80 gauge mesh is ideal for bond strength when useing
Transbond adhesive. Why would Ormco go against the research. The Damon SL
was very retentive and then it has gone downhill. Ormco created the offset
bracket on the lower 5's  but forgot about it for the Damon bracket. Why?
Roy King


Date: Saturday, May 05, 2007 3:05 PM
From: Roy King <rkking@BELLSOUTH.NET>
Subject: Orthocad IQ

ESCO,
Is anyone having any issues with Orthocad IQ within the last year?
Roy King


Date: Saturday, May 03, 2007 3:05 PM
From: Alexander Waldman <alexwaldman@SBCGLOBAL.NET>
Subject: Reply To Dr. Speck

Mort,

The best review article I have come across that addresses your issue is: Hamilton S., Gutmann JL.  Endodontic-orthodontic relationships: a review of integrated treatment planning challenges.  International Endodontic Journal.  32, 343-360, 1999
Hope that helps,

sincerely,
Alex Waldman

 

Date: Saturday, May 03, 2007 3:05 PM
From: Sibylle Kurrer <kurrer@GGAWEB.CH>
Subject: Re: Addendum to reimplanted incisor posting

Dear Mort

A Belgian group did look into transplanting premolar with fully
developed roots in vivo but in animals.  If I remember correctly they
cut off the apex after extraction and before replanting into the new
site. This seemed to make some difference for the better, so they
claimed.
I wonder how much this research has been continued, and whether it ever
reached a human "model" stage. Maybe something to look into if none of
the more established options are sufficient?

Just my two cents worth...

Sibylle Kurrer, Küsnacht


Date: Saturday, May 02, 2007 3:05 PM
From: ChrisKes@AOL.COM <ChrisKes@AOL.COM>
Subject: Re: Addendum to reimplanted incisor posting

Hi Mort,

I just started a patient with somewhat similar situation with one of the residents at Saint Louis University.  Both maxillary central incisors were knocked out in a trampoline accident several years ago.  They were re-implanted and seemed OK. By the time she came in for ortho consult at the school both roots of the central incisors were completely resorbed-- gone!!  Had and endo consult and all they could do were remove them and place implants.  Was a clear cut four bi extraction case. I talked it over with several other faculty members and we decided to go with extraction of max central incisors and lower bicuspids.  Upper space is closing quickly so it doesn't look as bad as I thought it would during the first few appointments.  Just started a few months ago but seems to be going OK. 

Sounds like you might have to battle a potential midline discrepancy.  I would mention this to parents and patient.  Bet they would rather put up with midline problem then deal with implant and the removal of a good tooth in the same quadrant.

Good luck. 

Chris Kesling

PS  Looks like we have Tip-Edge course set up for last Thursday-Saturday in October.  Will keep you posted.  Richard Parkhouse will be helping out again.