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Taiwan J Oral Med
Health Sci 2002; 18: 75 -78
Printed in Taiwan, All rights reserved
◆《不尋常的阻生牙》
◆《就齒列的位階而言，牙齒阻生是常見的異常現象，但異位阻生則極為少見，偶而萌發於鍔板(palatal
plate)，
偶而萌發於鍔板（palatal plate）、上鍔竇(maxillary sinus)、鼻腔(nasal cavity)、下鍔骨(mandible)、髁(condyle)
及喙狀突(coronoid process)等處。
截至目前為止，文獻上尚未有顳下脊(infra temporal crest)的牙齒異位阻生的病例報告。本文謹提出一個病例
，並做討論。
關鍵字：異位阻生、顳下脊
◆《An
unusual impacted tooth》
◆《Impaction
of a tooth into dental environ occurs commonly whereas ectopic
impaction of a tooth in other sites is rare.
Such locations included the palate maxillary, sinus, nasal cavity,
mandible oronoid precess and condyle.To the best
of the author's knowledge this is the first reported case of
an unusual impacted tooth of infra temporal crest from our
dental clinic.
Key words：Ectopic impaction, Infra temporal crest. |
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| ◎ 2002, Taiwan
J Oral Med
Health Sci,
ISSN1560-1587 |
| Graduate Institue Of Oral Health Sciences
Kaoshiung Medical University |
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