[Oradlist] pano pic

[Ruprecht, Axel]

Mandibular premolars also have a propensity to migrate distally, often remaining upright, after they have erupted into the proper position. The second premolars more so than the first. It is less common in the maxilla. Premolars can end up back at the ramus, is there are no other theeth in the way.

Rgds
[cid:image001.jpg at 01C91D61.FCE9E530]



From: oradlist-bounces at lists.ucla.edu [mailto:oradlist-bounces at lists.ucla.edu] On Behalf Of Koenig, Lisa
Sent: Tuesday, September 23, 2008 9:43 AM
To: 'Oral Radiology Discussion Group'
Subject: Re: [Oradlist] pano pic

Ra'ed,  Regarding your pictures of the "teeth just don't want to sit beside each other!",  I have seen this several times.  Because the second premolar has a distal path of eruption, premature extraction of the permanent first molar allows the premolar to erupt distally causing the large space you see...and in this case it seems the second molar was also extracted. On the right side this appears to be drifting of the second and third molars caused by extraction of the first molar. Thanks for sharing.  Lisa

Lisa J. Koenig BChD, DDS, MS
Program Director, Oral Medicine and Oral Radiology
Marquette University School of Dentistry, Rm: 370
PO Box 1881
Milwaukee, WI 53201-1881
Tel: (414) 288-5675
Fax: (414) 288-6081
From: oradlist-bounces at lists.ucla.edu [mailto:oradlist-bounces at lists.ucla.edu] On Behalf Of Ra'ed Al-Sadhan
Sent: Monday, September 22, 2008 5:37 PM
To: oradlist at lists.ucla.edu
Subject: Re: [Oradlist] pano pic

When I see such cases, I wonder if there in OMF radiology any atlas similar to:
Atlas of Normal Roentgen Variants That May Simulate Disease By Theodore E. Keats &  Mark W. Anderson
I was shown the attached panoramic image (of an asymptomatic male) and asked if there is any pathology pushing the lower posterior teeth away from each other (bilaterally). I could not see any lesions in the panoramic image, intraoral films were retrieved from patient chart (also attached) and did not show any lesion. I told the consulting student that these teeth just don't want to sit beside each other!
I did not have a name for the condition!
Later, I saw a similar case by Professor Axel Ruprecht that he called "Distal Migration"
I know that such normal variants case reports are published here and there and some of us keep there own collection of "variation of normal" cases hoping to publish them or pass them to students.
But it would be nice to have:
Atlas of Normal Oral and Maxillofacial Roentgen Variants That May Simulate Disease


Ra'ed Al-Sadhan
College of Dentistry, King Saud University
Riyadh, Saudi Arabia
http://faculty.ksu.edu.sa/sadhan/default.aspx
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