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A Study On Prevalence And Pattern Of Dental Anomalies

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Abstract

°á·Ð
1987³â 7¿ù 1ÀϺÎÅÍ 1994³â 12¿ù 31ÀϱîÁö ³â 6°³¿ù µ¿¾È ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº´¿ø
¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÑ ¸¸ 0¼¼¿¡¼­ 15¼¼±îÁöÀÇ ³²ÀÚ 4,755¸í, ¿©ÀÚ 3,299¸í ÃÑ 8,054¸íÀÇ ÀÓ»ó °Ë
»ç ¹× Ä¡·á ±â·ÏÁö¿Í Æijë¶ó¸¶ ¹æ»ç¼± »çÁøÀ̳ª ±¸³» Àü¾Ç Ç¥ÁØ ¹æ»ç¼± »çÁøÀ» ÀÌ¿ëÇÏ¿© Ä¡
¾ÆÀÇ ÀÌ»ó ¹ß»ýÀ» Á¶»çÇÏ°í À̸¦ ºÐ¼®ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. 8,054¸íÀÇ ÇÇ°ËÀÚ Áß 2,134¸í(26.5%)ÀÌ Ä¡¾ÆÀÇ ÀÌ»ó ¹ß»ýÀ» ³ªÅ¸³»¾úÀ¸¸ç, °¢ ÀÌ»ó ¹ß»ýÀÇ
ºóµµ´Â °úÀ×Ä¡ 15.6%, ¼±ÃµÀû °á¼ÕÄ¡ 6,6%, À¯ÇÕÄ¡ 2.2%, Ä¡¾ÆÁ¾ 0.35%, ¿Ö¼ÒÄ¡ 1.2%, °Å´ë
Ä¡ 0.05%, ½Ö»ýÄ¡ 0.22%, Ä¡¿ÜÄ¡ 0.24%, talon cuspÄ¡ 0.36%, Ä¡³»Ä¡ 0.15%, ¸¸°îÄ¡ 0.27%,
¿ì»óÄ¡ 0.09%, Ä¡¾ÆÀÇ À§Ä¡ ÀÌ»ó 1.7%, ¼±ÃµÄ¡ ¹× ½Å»ýÄ¡ 0.92%, ¹ý¶ûÁú Çü¼ººÎÀüÁõ 0.01%
ÀÇ ¹ß»ý ºóµµ¸¦ ³ªÅ¸³»¾ú´Ù.
2. °¢ ÀÌ»ó ¹ß»ý Áý´Ü°£ÀÇ »ó°ü°ü°è´Â °úÀ×Ä¡±ºÀÌ ´Ù¸¥ ±º°ú ´ëºÎºÐ À½ÀÇ »ó°ü°ü°è¸¦ º¸¿´
À¸¸ç ³²³à¿¡¼­ Â÷ÀÌ°¡ ÀÖ¾ú°í °úÀ×Ä¡±º°ú °á¼ÕÄ¡±º »çÀÌ¿¡¼­ ºñ±³Àû ³ôÀº À½ÀÇ »ó°ü°ü°è¸¦
º¸¿´´Ù(p<0.001).
3. °úÀ×Ä¡´Â ³²¼º(p<0.001)¿¡¼­, °á¼ÕÄ¡, °Å´ëÄ¡, ¿Ö¼ÒÄ¡, À§Ä¡ ÀÌ»óÀ» º¸ÀÌ´Â Ä¡¾Æ´Â ¿©¼º
(p<0.001)¿¡¼­ È£¹ßÇÏ¿´´Ù.
4. ¼±ÃµÀû °á¼ÕÄ¡´Â À¯Ä¡¿¡¼­´Â ÇÏ¾Ç À¯ÃøÀýÄ¡, ¿µ±¸Ä¡¿¡¼­´Â ÇÏ¾Ç ÃøÀýÄ¡¿¡¼­ °¢°¢ ÃÖ´Ù ºó
µµ¸¦ º¸¿´À¸¸ç ÇϾÇÀÌ »ó¾Ç¿¡ ºñÇؼ­ ³ôÀº ºóµµ(72.5% )¸¦ º¸¿´°í À¯Ä¡ÀÇ °á¼Õ½Ã °è½Â ¿µ±¸
Ä¡ÀÇ ³ôÀº °á¼ÕÀ²(33.9%)À» º¸¿´´Ù.
5. °úÀ×Ä¡´Â Á¤Áߺο¡¼­ ¹ß»ýÇÏ´Â Á¤ÁßÄ¡, ¿ªÀ§ÀÇ ¾ç»ó°ú ¹Ì¸ÍÃâ »óÅ°¡ ´ëºÎºÐÀ̾úÀ¸¸ç, »ó
¾Ç¿¡¼­(99.3%) È£¹ßÇÏ¿´´Ù.
6. À¯ÇÕÄ¡´Â À¯Ä¡°¡ ¿µ±¸Ä¡¿¡ ºñÇؼ­ ³ôÀº ¹ß»ý ºóµµ(91.0% )¸¦ ³ªÅ¸³»¾ú°í À¯Ä¡ÀÇ À¯ÇÕ½Ã
°è½Â ¿µ±¸Ä¡ÀÇ °á¼ÕÀº 39.9%, °è½Â ¿µ±¸Ä¡ÀÇ À¯ÇÕÀº 2.7%¸¦ ³ªÅ¸³»¾úÀ¸¸ç, ÇÏ¾Ç À¯ÃøÀýÄ¡¿Í
À¯°ßÄ¡ÀÇ À¯ÇÕÀÌ ÃÖ´Ù ºóµµ(40.3%)¸¦ ³ªÅ¸³»¾ú´Ù.
7. Ä¡¾ÆÁ¾Àº »ó¾Ç(78.6%)°ú ÀüÄ¡ºÎ(82.1%)¿¡¼­ ³ôÀº ¹ß»ý ºóµµ¸¦ º¸¿´´Ù.
#ÃÊ·Ï#
An objective definition of the anomaly is not avaliable and most investigators define
the term differently or fail to describe their criterion. Because dental anomaly may lead
to many complications, early detection and diagnosis of dental anomalies are essential
steps in the evaluation of the child patient and in treatment planning. These procedures
require detailed medical and dental histories, through clinical examination and the use of
radiographs. So, this study was designed to find out the prevalence of dental anomalies.
The clinical and roentgenographic examination was undertaken for 8,054 children at age
from 0 to 15 years and statistical analysis was done. The results were as follows :
1. Among the examined subjects, 2,134 subjects(26.5%) showed dental anomalies. The
prevalence of individual dental anomalies were as follows . supernumerary teeth 15.6%,
congenitally missing teeth 6.6%, fusion 2.2%, odontoma 0.35%, microdontia 1.2%,
macrodontia 0.05%, gemination 0.22%, talon cusp 0.36%, dens evaginatus 0.24%, dens
invaginatus 0.15%, dilaceration 0.27%, taurodontism 0.09%, abnormal tooth position 1.7%
natal & neonatal teeth 0.92%, amelogenesis imperfects 0.01% .
2. Significant correlations between the groups with individual dental anomalies were as
follows : between group I and other groups, there was negative correlation, especial
group I and group ¥±. And the correlation coefficient between male and female shown
differences.
3. For the supernumerary teeth group, the prevalence of male was higher than
female(p<001). While for the congenitally missing teeth, macrodontia, microdontia,
abnormal tooth position group, the prevalence of female was greater than male(P<0.001).
4. For the congenitally missing teeth group, the mandibular primary lateral incisior
showed the highest incidence in primary dentition, while mandibular lateral incisior in
permanent dentition. In the mandible (72.5%), this site showed higher prevalence of than
in maxilla. In the case with deciduous congenitally missing teeth, the prevalence of
successive permanent congenitally missing teeth was about 33.9%, the incidence was
highest in mandibular lateral incisiors.
5. Most supernemerary teeth existed on middle area and showed inverted position and
unerupted state. In addition, supernumerary teeth showed higher incidence on
maxilla(99.3%)
6. In the case with deciduous fused teeth, the prevalence of successive permanent
congenitally missing teeth was 39.9%, while that of successive permanent fused teeth
was 2.7%. And the highest rate of the prevalence(40.3%) appeared in fusion of
mandibular deciduous lateral incisor and canine.
7. In the case of odontoma, the prevalence was higher in maxilla(78.6%) and anterior
region (82.7%) than mandible and posterior region.

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