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A RADIOGRAPHIC STUDY OF HYPERCEMENTOSIS

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Abstract

º» ¿¬±¸´Â ÃÑ 4,236¸í (³²¼º 2,239¸í, ¿©¼º 1,997¸í)ÀÇ Àü¾ÇÄ¡±Ù´ÜX¼±»çÁø¿¡¼­ °ú¹é¾ÇÁúÁõ
À¸·Î Æǵ¶µÈ 677¿¹¸¦ ¿¬±¸ÀÚ·á·Î äÅÃÇÏ¿© À̵éÀÇ ¹ß»ýÀ», ¼ºº°, ¿¬·É, ¹ß»ýºÎÀ§ ¹× X¼±»çÁø
¼Ò°ßÀ» Á¶»ç ¡¤ºÐ¼®ÇÑ ¹Ù ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Àüü Á¶»ç´ë»ó 4,236¸í Áß 349¸í (8.2%)¿¡¼­ °ú¹é¾ÇÁúÁõÀÌ °üÂûµÇ¾úÀ¸¸ç, ÀÌ Áß ³²¼ºÀÌ
2,239¸í Áß 161¸í (7.1%), ¿©¼ºÀÌ 1,997¸í Áß 188¸í(9.4%)À¸·Î½á, ³²¼º¿¡ ºñÇÏ¿© ¿©¼º¿¡¼­ ¹ß
»ýÀ²ÀÌ ³ô¾Ò´Ù.
2. °ú¹é¾ÇÁúÁõÀÌ °üÂûµÈ 349¸í Áß 50´ë°¡ 102¸í(29.2%)À¸·Î °¡Àå ¸¹¾ÒÀ¸¸ç, 10´ë¿¡¼­ 50´ë
±îÁö´Â ¿¬·ÉÀÌ Áõ°¡µÊ¿¡ µû¶ó ¹ß»ýÀ²ÀÌ Áõ°¡µÇ¾ú´Ù.
3. ¹ß»ýºÎÀ§´Â »ó¾Ç¿¡ 403¿¹(59.5%), ÇϾǿ¡ 274¿¹(40.5%)·Î½á ÇϾǿ¡ ºñÇÏ¿© »ó¾Ç¿¡¼­ ¸¹
ÀÌ ¹ß»ýµÇ¾úÀ¸¸ç, »ó¾ÇÁ¦ 2¼Ò±¸Ä¡°¡ 125¿¹(18.5%)·Î½á °¡Àå ³ôÀº ¹ß»ýÀ²À» º¸¿´°í, »ó¾ÇÁ¦ 1
¼Ò±¸Ä¡°¡ 79¿¹(11.7%), »ó¾Ç°ßÄ¡°¡ 68¿¹(10.0%), ÇϾÇÁ¦1 ¹× 2¼Ò±¸Ä¡°¡ °¢°¢ 65¿¹(9.6%) ÀÌ
¾ú´Ù.
4. ¹ß»ý¿øÀÎÀº ¿°Áõ¿¡ ÀÇÇÑ °æ¿ì°¡ 237¿¹(35.0%), Ä¡¾ÆÀÇ Á¤Ãâ¿¡ ÀÇÇÑ °æ¿ì°¡ 211¿¹
(31.2%), ¿Ü»ó¼º ±³ÇÕ¿¡ ÀÇÇÑ °æ¿ì°¡ 42¿¹(6.2%), ¹Ì¸ÍÃâµÈ °æ¿ì°¡ 1¿¹(0.1%), ¿øÀκҸíÀÎ °æ
¿ì°¡ 186¿¹(27.5%)À̾ú´Ù.
5. °ú¹é¾ÇÁúÀÇ Ä§Âøµµ´Â 677¿¹ Áß Ä¡±Ù´Ü 1/3¹Ì¸¸À¸·Î ħÂøµÈ °æ¿ì°¡ 239¿¹(35.3%), Ä¡±Ù
´Ü 1/2¹Ì¸¸À¸·Î ħÂøµÈ °æ¿ì°¡ 200¿¹ (29.5%), Ä¡±Ù´Ü 1/2ÀÌ»óÀ¸·Î ħÂøµÈ °æ¿ì°¡ 238¿¹
(35.2%)À̾ú´Ù.
6. °ú¹é¾ÇÁúÀÇ Ä¡±ÙÀÇ ±Ù ¡¤¿ø½Éº° ħÂø¾ç»óÀº 677¿¹ Áß ±Ù½ÉÃø¿¡ ħÂøµÈ °æ¿ì°¡ 22¿¹
(3.2%), ¿ø½ÉÃø¿¡ ħÂøµÈ °æ¿ì°¡ 60¿¹(8.9%), ±Ù ¡¤¿ø½É ¸ðµÎ¿¡ ħÂøµÈ °æ¿ì°¡ 595¿¹(87.9%)
À̾ú´Ù.
7. °ú¹é¾ÇÁúÀÇ X¼±»çÁø ÈæÈ­µµ´Â 677¿¹ Áß Á¤»ó¹é¾ÆÁú°ú °ú¹é¾ÇÁú°£ÀÇ ÀÌÀÇ ±¸º°ÀÌ °¡´É
ÇÑ °æ¿ì°¡ 86¿¹(12.7%), ±¸º°ÀÌ ºÒ°¡´ÉÇÑ °æ¿ì°¡ 591¿¹ (87.3%)À̾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to evaluate the incidence and radiographic features of
677 cases of hypercementosis by means of the analysis of full mouth periapical
radiograms in 4,236persons visited the Department of Oral Radiology, School of
Dentistry, Kyung Hee University during January 1984 to December 1989.
The obtained results were as follows :
1. The incidence of hypercementosis was revealed to be 8.2% in total examined
persons, and there was a higher incidence in females (9.4%) than in males (7.1%).
2. The hypercementosis was most frequently occurred in the 6th decades (29.2%), and
the incidence was increased by advancing age until 6th decades.
3. There was a higher incidence in the maxilla (59.5%) than in the mandible (40.5%),
and maxillary second premolar (18.5%) was the most frequently involved tooth. The
maxillary first premolar (11.7%) was next in order to frequency followed by maxillary
canine (10.0%) and mandibular first and second premolars (9.6%).
4. In the etiologic factors, 35.0% were inflammation 31.2% were elongation, 6.2% were
trauma from occlusion, 0.1% were uneruption, and 27.5% were unknown.
5. In the degree of cementum apposition, 35.3% were Type ¥°, 29.5% were Type ¥±,
and 35.2% were Type ¥².
6. In the status of cementum apposition,3.2% were mesial side, 8.9% were distal side,
and 87.9% were mesial & distal side.
7. In the identification of radiographic density between normal cementum and
excessive cementum, 12.7% could be identified, and 87.3% could be unidentified.

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