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A STUDY ON THE MICROLEAKAGE OF COMPOMER RESTORATIONS IN CERVICAL CAVITIES OF PRIMARY MOLARS ACCORDING TO THE LENGTH OF ETCHING TIME

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±è¼º±â/Sung Ki Kim Á¤Å¼º/±è½Å/Tae Sung Jeong/Shin Kim

Abstract

kabstract :
À¯Ä¡ÀÇ Ä¡°æºÎ ¿Íµ¿ compomer ¼öº¹¹°¿¡ À־ÀÇ »êºÎ½Ç ½Ã°£¿¡ µû¸¥ ¹Ì¼¼´©ÃâÀÇ Á¤µµ
¸¦ Æò°¡ÇÒ ¸ñÀûÀ¸·Î, 48°³ÀÇ ¹ß°ÅµÈ À¯±¸Ä¡ÀÇ Çù¼³¸é¿¡ V±Þ ¿Íµ¿À» Çü¼ºÇÏ°í »ç¿ëµÈ
compomer¿Í »êºÎ½Ä ½Ã°£¿¡ µû¶ó 6°³ÀÇ ±ºÀ¸·Î ³ª´©¾î °¢°¢ 0, 15, 30ÃÊ°£ »êºÎ½ÄÇÑ ÈÄ, Á¦
Á¶ÀÚÀÇ Áö½Ã¿¡ µû¶ó ¼öº¹ÇÏ¿´´Ù. °¢±ºÀÇ »ö¼ÒħÅõµµ¸¦ stereomicroscope¸¦ »ç¿ëÇÏ¿© °üÂûÇÏ
°í ¹Ì¼¼´©ÃâÀÇ Á¤µµ¸¦ ÆÇÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ¿Íµ¿À» »êºÎ½Ä 󸮸¦ ÇÏÁö ¾Ê´Â °æ¿ìº¸´Ù »êºÎ½Ä 󸮸¦ ÇÏ´Â °æ¿ì ¹Ì¼¼´©ÃâÀÌ °¨¼Ò
µÇ¾ú´Ù(p<0.05).
2. 15ÃÊ°£ »êºÎ½ÄÀ» ÇÏ´Â °æ¿ì¿Í 30ÃÊ°£ »êºÎ½ÄÀ» ÇÑ °æ¿ì¿¡ ¹Ì¼¼´©ÃâÀÇ ¹æÁö Á¤µµ´Â À¯
»çÇÏ¿´´Ù(p<0.05).
3. ¿¬±¸¿¡ »ç¿ëµÈ µÎ Á¾·ùÀÇ compomer, °£¿¡ °¢ ±º¿¡¼­ÀÇ ¹Ì¼¼´©ÃâÀÇ Â÷ÀÌ´Â ¾ø¾ú´Ù
(p>0.05).
ÀÌ»óÀÇ °á°ú¿¡ ÀÇÇϸé, À¯Ä¡ Ä¡°æºÎ¿Íµ¿ÀÇ compomer ¼öº¹¿¡ À־ ¹Ì¼¼´©ÃâÀ» ÃÖ¼ÒÈ­ÇÏ
±â À§Çؼ­´Â »êºÎ½Ä󸮸¦ ÇÏ´Â °ÍÀÌ È¿°úÀûÀ̸ç, ½ÃÇàÇÒ °æ¿ì¿¡´Â 15ÃÊ°£ ½ÃÇàÇÏ´Â °ÍÀÌ
ÀûÇÕÇÒ °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.
#ÃÊ·Ï#
-Abstract-
For the purpose of evaluating the microleakage of compomer restorations in cervical
cavities of primary molars according to length of etching time, an experiment was
performed through next procedures. 48 extracted human primary molars were divided
into 6 groups according to applied compomers and the etching time of 0, 15, 30 seconds.
All the restorations were filled under the manufacturer's direction, and the degree of dye
penetration was evaluated with stereomicroscope. The microleakage of etch group was
measured and statistically analyzed and a obtained the results as follows :
1. Compared with groups without etching the degree of microleakage was reduced by
acid etching the cavities(p,0.05).
2. There revealed similar preventive effects of microleakage when the teeth were
etched for 15 seconds and 30 seconds respectively(p>0.05).
3. No significant difference was observed between two compomers examined in this
study(p>0.05).
It was therefore, thought acid etching is effective to minimize the microleakage of
compomer restorations in primary teeth, and in cases of performing, 15 seconds is
adequate for etching.

Å°¿öµå

comopomer; »êºÎ½Ä½Ã°£; ¹Ì¼¼´©Ãâ; À¯Ä¡; Compomer; Etching time; Microleakage; Primary teeth;

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