[Oradlist] ...Agenesis of tooth # 45

Thu Apr 8 02:37:50 PDT 2010

Dear Johan,

Thank you.
 I was bothered with this situation as you.
I am always looking for answers. But sometimes we do not have the answer in
time. Let's keeping follow up.

Best regards.
Allan.

On Thu, Apr 8, 2010 at 5:21 AM, Johan Aps <johan.aps at ugent.be> wrote:

>  Dear Allan,
>
> Thank you for the radiographs.
> I am still bothered why that distal root has been resorbed. On the
> radiographs you send us now, I withdraw my first suggestions of some kind of
> odontogenic tumour, because I don't find the same radio-opaque lines in the
> bone anymore, that were suggestive of some kind of an expanding lesion.
>
> My best guess right now is that tooth 46 is responsible for the resorption.
> During its eruption it may have caused pressure distally of the 85, causing
> the distal root to resorb.
> I have seen many cases in which the first permanent molar does not end up
> in the correct position, because it gets stuck distally *in* the crown of
> the second deciduous molar. So my diagnosis is that in this case tooth 46
> may have caused pressure on the distal root of the 85, but that its position
> was not that bad after all, because the 46 succeeded to find its correct
> position in the arch.
> Or this could just be mother nature...."idiopathic resorption" of the
> distal root of the 85...but I am not pleased with that as I always try to
> find an answer to what I find ;-) ...though mother nature may keep
> things mysterious to us sometimes.
>
> Kind regards!
>
> Johan
> ______________________________________________________________________
> Prof. Dr. Johan K.M. Aps
> (DDS, MSc Paed. Dent. & Special Care, MSc DMFR (King's College London, UK),
> PhD)
> Head of Dental & Maxillofacial Radiology
> Coordinator Postgraduate Teaching in Dentistry Ghent University
> (accreditation system Belgium)
> Senior Clinical Consultant Ghent University Hospital, Dental School
> UZG, P8, Dental School, De Pintelaan 185, 9000 Gent, Belgium
> tel; + 32 9 332 5102
> fax; +32 9 332 3851
> secretary; +32 9 332 3857
>
> ----- Original Message -----
> *From:* Allan Abuabara <allan.abuabara at gmail.com>
> *To:* Oral Radiology Discussion Group <oradlist at lists.ucla.edu>
> *Sent:* Thursday, April 08, 2010 1:54 AM
> *Subject:* [Oradlist] ...Agenesis of tooth # 45
>
> Hello All,
>
> I have news about this case.
> I am sending periapical and occlusal radiographs.
> Normal bone, none alteration.
> Patient is, exactly, 7y-o and 8 months.
>
> We will only follow up.
> Thanks for all reply.
>
> Allan Abuabara
> Joinville, SC, Brazil
>
>
> On Thu, Apr 1, 2010 at 6:41 PM, Allan Abuabara <allan.abuabara at gmail.com>wrote:
>
>> I talked to the patient's dentist. I am awaiting the return of the
>> patient for further examinations. Initially, a periapical and occlusal
>> radiographs.
>> Having news, I will write. Thank you.
>> Allan.
>>
>>
>> On Thu, Apr 1, 2010 at 1:46 PM, Leif Kullman <leikul at yahoo.com> wrote:
>>
>>>  Dear Allan
>>>
>>> I agree with Johan, I think something is growing in area 45. Maybe à
>>> benign odontogenic tumor. I think you might have access to à CBCT? Perhaps
>>> you could make an exam with tjat unit?
>>>
>>> Best regards Leif Kullman
>>> Kuwait University
>>>
>>> Sent from my iPhone. Leif
>>>
>>> On 1 Apr 2010, at 12:33, "Johan Aps" <johan.aps at UGent.be> wrote:
>>>
>>>   Dear Allan,
>>>
>>> Looking at the contralateral side and looking at the developmental stage
>>> of the other premolars, one can say there is agenesis of the 45.
>>>
>>> But what bothers me is the radio-opaque line distal of the 44 tooth germ,
>>> which is "suggestive" of an expanding lesion under the 85.
>>> I see some kind of septae also in this region (? ameloblastoma,
>>> ameloblastic fibroma, odontogenic myxoma ?) - although one cannot speak of
>>> a radiolucent lesion here. But the patient's age is right.
>>>
>>> I suggest an occlusal (90°) radiograph, to see if there is some kind of
>>> expansion to the lingual or buccal cortex.
>>> I agree that the root resorption of the 85 is "unusual" in the case of
>>> agenesis of the 45.
>>>
>>> I look forward to further information on this child.
>>>
>>> Kind regards,
>>>
>>> Johan
>>> ______________________________________________________________________
>>> Prof. Dr. Johan K.M. Aps
>>> (DDS, MSc Paed. Dent. & Special Care, MSc DMFR (King's College London,
>>> UK), PhD)
>>> Head of Dental & Maxillofacial Radiology
>>> Coordinator Postgraduate Teaching in Dentistry Ghent University
>>> (accreditation system Belgium)
>>> Senior Clinical Consultant Ghent University Hospital, Dental School
>>> UZG, P8, Dental School, De Pintelaan 185, 9000 Gent, Belgium
>>> tel; + 32 9 332 5102
>>> fax; +32 9 332 3851
>>> secretary; +32 9 332 3857
>>>
>>> ----- Original Message -----
>>> *From:* Allan Abuabara <allan.abuabara at gmail.com>
>>> *To:* Oral Radiology Discussion Group <oradlist at lists.ucla.edu>
>>> *Sent:* Thursday, April 01, 2010 2:21 AM
>>> *Subject:* [Oradlist] Agenesis of tooth # 45
>>>
>>>
>>> I'll share with you this interesting case of agenesis of tooth # 45. Male
>>> patiente, 8 years-old.
>>> Highlight the early resorption of the distal root of tooth # 85.
>>>
>>>  I am awaiting feed back from the dentist and a periapical radiograph.
>>>
>>> Best regards
>>>
>>> --
>>> Allan Abuabara
>>> joinville, sc - Brazil
>>>
>>> ------------------------------
>>>
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>>>
>>
>>
>> --
>> Allan
>>
>
>
>
> --
> Allan
>
>
>
> --
> Allan
>
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-- 
Allan
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