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A STUDY ON FACTORS INFLUENCING THE DEVELOPMENT OF PULP NECROSIS AFTER LUXATIVE INJURIES IN THE PERMANENT TEETH.

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Abstract

°á·Ð
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»óÀ» ÁÖ¼Ò·Î ³»¿øÇÑ È¯ÀÚ Áß ¿µ±¸Ä¡¿¡ Ä¡°üÆÄÀý ¾øÀÌ Ä¡ÁÖÁ¶Á÷ ¼Õ»óÀ» ¹ÞÀº 84¸íÀÇ 214°³
Ä¡¾Æ¸¦ ´ë»óÀ¸·Î ¿¬·É, ¼Õ»ó ¾çÅÂ, Ä¡±Ù´Ü°ø Á÷°æ, ¼Õ»ó¹ÞÀº Ä¡¾Æ¼ö µî¿¡ µû¸¥ Ä¡¼ö±«»ç ¹ß
»ýºóµµ¸¦ Á¶»çÇÏ°í, °¢ ¿äÀεé°ú Ä¡¼ö±«»ç°£ÀÇ »ó°ü°ü°è¸¦ Æò°¡ÇÑ °á°ú ´ÙÀ½°ú °°Àº °á·ÐÀ»
¾ò¾ú´Ù.
1. Àüü Ä¡¼ö±«»ç ¹ß»ý·üÀº 19.16%À̾ú´Ù.
2. ȯÀÚÀÇ ¿¬·ÉÀÌ Áõ°¡ÇÒ ¼ö·Ï Ä¡¼ö±«»ç ¹ß»ý·üÀº Áõ°¡ÇÏ¿´´Ù(p<0.05).
3. ¼Õ»ó¾çź° Ä¡¼ö±«»ç ¹ß»ý·üÀº ÁøÅÁÀÌ 9.09%, ¾ÆÅ»±¸°¡ 10.07%, Ãø¹æ¼º Å»±¸°¡ 41.18%,
Á¤Ã⼺ Å»±¸°¡ 41.67%, Ç×ÀÔ¼± Å»±¸°¡ 85.71%À̾ú´Ù(p<0.05)
4. Ä¡±Ù´Ü°ø Á÷°æÀº ÁøÅÁÀÇ °æ¿ì 1.1§®ÀÌ»ó, ¾ÆÅ»±¸ ¹× Ãø¹æ¼º Å»±¸ÀÇ °æ¿ì 2.1§®ÀÌ»ó, Á¤Ãâ
¼º Å»±¸ÀÇ °æ¿ì 3.1§®ÀÌ»ó, ÇÔÀÔ¼º Å»±¸ÀÇ °æ¿ì 4.1§®À̻󿡼­ Ä¡¼ö±«»ç ¹ß»ý·üÀÌ ÇöÀúÈ÷ °¨
¼ÒÇÏ¿´´Ù(p<0.05).
5. ¼Õ»ó¹ÞÀº Ä¡¾Æ¼ö¿Í Ä¡¼ö±«»ç ¹ß»ý°£ÀÇ »ó°ü°ü°è´Â Åë°èÇÐÀû À¯ÀǼºÀÌ ¾ø¾ú´Ù(p<0.05).
#ÃÊ·Ï#
In order to plan an appropriate treatment after injury, it would be ideal to be predict
the long-time prognosis of the involved teeth at the time injury. The purpose of this
study was to investigate the factors which influence the development of pulp necrosis
after luxative injuries in the permanent dentition.
The data was obtatined from the 214 luxated permanent teeth of 84 patients who
exacted and treated at the Dept. of Pediatric dentistry in Kyung-Hee Medical center.
The material were categories according to variables (j. e, age of patient, type of
luxation, the diameter of apical foramen measured on radiographs, number of injuries
teeth. and analysed to the relationship with development of pulp necrosis.
The results were obtained as follow :
1. The frequency of pulp necrosis was 19.16%.
2. Prognosis was worsened with increasing age of the patient at time of injury(p(0.05)
3. The frequency of pulp necrosis according to type of luxation were 9.09% on
concussion, 10.07% on subluxation, 41.18% on lateral luxation, 41.67% on extrusive
luxation, and 85.71% on intrusive luxation (p<0. 05).
4. The frequency of pulp necrosis was significantly decreased at : the diameter of
apical foramen above 1.1§® on concussion, above 2.1§® on subluxation and lateral
luxation, above 3.1§® on extrusive luxation, and above 4.1§® on intrusive luxation
(p<0.05).
5. There was a tendency towards a worsened prognosis as the number of injuried
teeth in the same dental arch increased, but not a significant effect (p>0.05).

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