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Diagnostic Performance of the Intraoral Radiographs on the Interproximal Dental Caries

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Abstract

º» ¿¬±¸´Â ÃÊ±â ¹× ÁøÀüµÈ ÀÎÁ¢¸é Ä¡¾Æ¿ì½ÄÁõ¿¡ ´ëÇÑ Ä¡°ú´ëÇлýÀÇ Áø´Ü´É°ú Æǵ¶ÀÚ°£ Áø
´Ü´É Â÷À̸¦ ¾Ë¾Æº¸±â À§ÇÏ¿© ½Ç½ÃÇÏ¿´´Ù.
Àü±¹ 5°³ Ä¡°ú´ëÇÐ 4Çгâ Çлý 181¸í°ú ´ëÇк´¿øÀÇ Àü°øÀÇ(±¸°­¾Ç¾È¸é¹æ»ç¼±ÇÐ Àü°øÀÇ Á¦
¿Ü) 40¸íÀ» ´ë»óÀ¸·Î ½ÇÁ¦ ȯÀÚÀÇ ±¸³»Ä¡±Ù´Ü¹æ»ç¼±»çÁø°ú ±³À͹æ»ç¼±»çÁø¿¡¼­ 213°³ÀÇ Ä¡
¾ÆÀÎ Á¢¸éÀ» Æǵ¶ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. 213°³ ÀÎÁ¢¸éÀÇ ¿ì½Äº´¼Ò À¯¹«¿¡ ´ëÇÏ¿© Àüü Æǵ¶ÀÚµéÀº Æò±Õ 184.5°³ Ä¡¸éÀ» Á¤È®È÷
Áø´ÜÇÏ¿© Áø´Ü´É(Áø´ÜÁ¤È®µµ)Àº 86.6%¿´´Ù. Æǵ¶ÀÚ ´ëºÎºÐÀÌ Æò±ÕÄ¡¿¡ ±ÙÁ¢ÇÏ¿© ºÐÆ÷µÇ¾î
Áø´Ü´ÉÀÌ ºñ±³Àû °í¸£°Ô ³ªÅ¸³µ´Ù.
2. Àüü Æǵ¶ÀÚµéÀÇ Æ¯À̵µ(specificity)´Â 91.5%, °¡¾ç¼º(false positive) Áø´ÜÀ²Àº 8.5%·Î
°ÇÀüÄ¡¿¡ ´ëÇÑ Áø´Ü´ÉÀº ³ô°Ô ³ªÅ¸³µ´Ù.
3. Çлý±ºÀÇ Áø´Ü´ÉÀº ´ëÇк´¿ø Àü°øÀÇ ±ºÀÇ Áø´Ü´É¿¡ ºñÇØ Åë°èÀûÀ¸·Î À¯ÀÇÇÏ°Ô ³·¾Ò´Ù
(P<0.05).
4. ¹Î°¨µµ(sensitivity)´Â 77.1%·Î ³ªÅ¸³µ°í 1±Þ Ä¡¾Æ¿ì½Äº´¼Ò¿¡ ´ëÇÑ Áø´Ü´ÉÀÌ °¡Àå ³·°í
¿ì½Ä ÁøÇà´Ü°è¿¡ ºñ·ÊÇÏ¿© Áø´Ü´ÉÀº ³ô°Ô ³ªÅ¸³µ´Ù(P<0.001). ±×·¯³ª 3±Þ ¿ì½Äº´¼ÒÀÇ Áø´Ü
´É°ú 4±Þ ¿ì½Äº´¼ÒÀÇ Áø´Ü´ÉÀº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù(P>0.001).
Çѱ¹ Ä¡°ú´ëÇÐ 4Çгâ ÇлýµéÀÇ ÀÎÁ¢¸é ¿ì½Ä º´¼Ò¿¡ ´ëÇÑ Áø´Ü´ÉÀº ¾à 2³â°£ÀÇ ¼ö·ÃÀ» ¹Þ
Àº Àü°øÀÇ(±¸°­¾Ç¾È¸é¹æ»ç¼±ÇÐ Àü°øÀÇ Á¦¿Ü)ÀÇ Áø´Ü´É¿¡ ºñÇØ À¯ÀÇÇÏ°Ô ³·¾Ò°í Çлý Áý´Ü°£
¿¡µµ Â÷ÀÌ°¡ Á¸ÀçÇÏ¿´Áö¸¸ ±× Â÷ÀÌ´Â ÀÛ°í ÀüüÀûÀ¸·Î Áø´Ü´ÉÀº ³ôÀº °ÍÀ¸·Î Æò°¡ÇÒ ¼ö ÀÖ
¾ú´Ù. ¿ì½ÄÁøÇà´Ü°è¿¡ ºñ·ÊÇÏ¿© Áø´Ü´ÉÀº ³ô¾ÆÁ³À¸³ª 3±Þ°ú 4±Þ ¿ì½Äº´¼ÒÀÇ Áø´Ü´ÉÀº ¼­·Î
À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.
#ÃÊ·Ï#
The purpose of this study was to evaluate the diagnostic performance of the senior
dental students for the proximal dental caries on intraoral radiographs and to compare it
with the dental hospital residents, the reference group. It was also investigated the
diagnostic performance according to the carious lesion depth.
Thirty-five intraoral periapical and bitewing radiographs with 213 proximal surfaces
included in this study were selected from the dental patients at Chonnarn National
University Hospital.
The observers were 181 senior dental students from 5 dental schools and 40 dentists
who were second year resident from 5 dental hospitals. They were asked to evaluate
the presence or the absence of the proximal dental caries.
The results were as follows :
1. The mean of the hitting rate for the overall observers was 184.51 surfaces and the
diagnostic accuracy was 86.62%.
2. The diagnostic performance of the sound proximal tooth surfaces was very high,
i.e., 91.5% true negative rate and 8.5% false positive rate.
3. The diagnostic performance of the dentist group was higher than the student
group(P<0.05).
4. The proximal dental caries perceptibility Increased as the lesion depth increased
significantly(P<0.001) except no difference between the carious lesion depth ¥² and ¥³
(P>0.001).

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