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A STUDY ON THE RADIOGRAPHIC DIAGNOSIS OF COMMON PERIAPICAL LESIONS BY USING CONFUTER

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Abstract

ÄÄÇ»Å͸¦ ÀÌ¿ëÇÑ ÁÖ¿ä Ä¡±Ù´Ü º´¼ÒÀÇ ¹æ»ç¼±ÇÐÀû Áø´ÜÀÇ À¯¿ë¼ºÀ» Æò°¡Çϱâ À§ÇÏ¿©, ÀúÀÚ
´Â ±¹³»¿¡¼­ ÁÖ·Î º¸±ÞµÇ°í ÀÖ´Â °³Àοë ÄÄÇ»Å͸¦ »ç¿ëÇÏ°í, ÀûÀÀÇÁ·Î±×·¥ RF(Rapid File)
¸¦ º» ¿¬±¸ÀÇ ¸ñÀû¿¡ ¾Ë¸Â°Ô ÇÁ·Î±×·¥À» Àç ÀÛ¼ºÇÏ¿© ÁÖ¿ä Ä¡±Ù´Ü º´¼ÒÀÇ ¸ðµç ÀÓ»óÀû, ¹æ
»ç¼±ÇÐÀû ¼Ò°ßÀ» ¼öÀÔ, ºÐ¼®, ºÐ·ùÇÏ¿© À̸¦ ±âº» ÀÚ·á·Î ÀÔ·ÂÇÑ ÈÄ, °ú°Å 8³â°£(1983-1990)
Á¶¼±´ëÇб³ Ä¡°ú´ëÇÐ ºÎ¼ÓÄ¡°úº´¿ø¿¡ ³»¿øÇÏ¿© ÁÖ¿ä Ä¡±Ù´Ü º´¼Ò(³¶Á¾, À°¾ÆÁ¾, Ä¡±Ù´Ü ³ó
¾ç)·Î Áø´ÜÀ» ¹Þ¾Ò°Å³ª Ä¡·á¸¦ ¹Þ¾Ò´ø ȯÀÚµé Áß Á¦¹Ý ¹æ»ç¼±ÇÐÀû °üÂûÀÌ °¡´ÉÇÏ¿´´ø 256
Áõ·Ê (³¶Á¾ 91, À°¾ÆÁ¾ 74, Ä¡±Ù´Ü ³ó¾ç 91)ÀÇ Áø·Î ±â·ÏºÎ¿Í ¹æ»ç¼± »çÁøÀ» ÀÚ·á·Î »ç¿ëÇÏ
¿© RF ÇÁ·Î±×·¥¿¡ ȯÀÚÀÇ Áõ·Ê¸¦ Àû¿ëÇÏ¿© Áö³­¸íÀ» ÃßÃâÇÑ ´ÙÀ½ ½ÇÁ¦ ÀÓ»ó¿¡¼­ Æò°¡µÈ Áø
´Ü¸í°ú ºñ±³ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ³¶Á¾ÀÇ °æ¿ì, ÄÄÇ»ÅÍ ÇÁ·Î±×·¥¿¡ ÀÇÇÑ Áø´Ü (80.22%)ÀÌ ¹æ»ç¼± ÇÐÀÚ¿¡ ÀÇÇÑ Áø´Ü
(90.1%)º¸´Ù ´Ù¼Ò ³·Àº Á¤È®µµ¸¦ º¸¿´´Ù.
2. À°¾ÆÁ¾ÀÇ °æ¿ì, ÄÄÇ»ÅÍ ÇÁ·Î±×·¥¿¡ ÀÇÇÑ Áø´Ü(75.7%)ÀÌ ¹æ»ç¼± ÇÐÀÚ¿¡ ÀÇÇÑ Áø´Ü
(70.3%)º¸´Ù ´Ù¼Ò ³ôÀº Á¤È®µµ¸¦ º¸¿´´Ù.
3. Ä¡±Ù´Ü ³ó¾çÀÇ °æ¿ì, ÄÄÇ»ÅÍ ÇÁ·Î±×·¥¿¡ ÀÇÇÑ Áø´Ü°ú ¹æ»ç¼± ÇÐÀÚ¿¡ ÀÇÇÑ Áø´ÜÀÌ µ¿ÀÏ
ÇÑ Áø´ÜÀÇ Á¤È®µµ(88%)¸¦ º¸¿´´Ù.
4. ÃÑ 256 Áõ·Ê¿¡ ´ëÇÑ Áø´ÜÀÇ Æò±Õ Á¤È®µµ´Â, ÄÄÇ»ÅÍ ÇÁ·Î±×·¥¿¡ ÀÇÇÑ Áø´Ü(18.2%) ÀÌ ¹æ
»ç¼± ÇÐÀÚ¿¡ ÀÇÇÑ Áø´Ü (82.8%)º¸´Ù ´Ù¼Ò ³·°Ô ³ªÅ¸³µ´Ù.
5. ÀÔ·ÂµÈ ±âº» Àڷδ ÄÄÇ»Å͸¦ ÀÌ¿ëÇÑ ÁÖ¿ä Ä¡±Ù´Ü º´¼ÒÀÇ ¹æ»ç¼±ÇÐÀû Áø´Ü¿¡ ÀÌ¿ëÇÒ¼ö ÀÖ´Ù°í Æò°¡µÇ¾ú´Ù.
#ÃÊ·Ï#
The purpose of this study was to estimate the diagnostic availability of the common
periapical lesions by using computer.
The author used a domestic personal computer and rearranged the applied program
appro-priately with RF (Rapid File), a program to answer the purpose of this study, and
then input the consequence made out through collection, analysis and classification of
the clinical and radiological features about the common periapical lesions as a basic data.
The 256 cases (Cyst 91, Periapical granuloma 74, Periapical abscess 91) were obtained
from the chart recordings and radiographs of the patients diagnosed or treated under the
common periapical lesions during the past 8 years (1983-1990) at the infirmary of Dental
School, Chosun University.
Next, the clinical and radiographic features of the 256 cases were applied to RF
program for diagnosis, and the diagnosis by using computer was compared with the
hidden final diagnosis by clinical and histopathological examination.
The obtained results were as follows :
1. In cases of the cyst, diagnosis through the computer program was shown rather
lower accuracy (80.22%) as compared with accuracy (90.1%) by the radiologists.
2. In cases of the granuloma, diagnosis through the computer program was shown
rather higher accuracy (75.7%) as compared with the accuracy (70.3%) by the
radiologists.
3. In cases of periapical abscess, the diagnostic accuracy was shown 88% in both
diagnoses.
4. The average diagnostic accuracy of 256 cases through the computer progrem was
shown rather lower accuracy (81.2%) as compared with the accuracy (82.8%) by the
radiologists.
5. The applied basic data for radiographic diagnosis of common periapical lesions by
using computer was estimated to be available.

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