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A STUDY ON THE FORMATION OF SHEAR BONDING STRENGTH AND HYBRID LAYER ACCORDING TO THE APPLICATION TIME AND FREQUENCY OF AN ALL-IN-ONE SYSTEM IN PRIMARY TEETH.

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Abstract

º» ¿¬±¸´Â All-In-One systemÀÇ Àû¿ë ½Ã°£°ú µµÆ÷ Ƚ¼ö¿¡ µû¶ó À¯Ä¡ »ó¾ÆÁú°ú º¹ÇÕ·¹ÁøÀÇ Á¢Âø °­µµ¿Í È¥¼ºÃþ¿¡ ¾î¶² ¿µÇâÀ» ¹ÌÄ¡´ÂÁö¸¦ ±Ô¸íÇÏ°íÀÚ Single bonding agent(Scotchbond Multi-Purpose Ptus, 3M, USA)¿Í All-In-One system(Prompt-L pop, 3M ESPE, USA)¸¦ »ç¿ëÇÏ¿´°í ¼öº¹¿ë ·¹ÁøÀ¸·Î º¹ÇÕ·¹Áø(Z-250, 3M, USA)¸¦ »ç¿ëÇÑ °á°ú ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾òÀ» ¼ö ÀÖ¾ú´Ù.
1. Àü´Ü °áÇÕ °­µµ´Â Single bonding agent¸¦ Àû¿ëÇÑ °æ¿ì All-In-One systemÀ» Àû¿ëÇÑ ±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ô°Ô ³ªÅ¸³µ´Ù(P<0.05).
2. Prompt L-popÀ» 2ȸ, 3ȸ Àû¿ëÇÑ °æ¿ì¿¡ Àü´Ü °áÇÕ °­µµ´Â 1ȸ Àû¿ëÇÑ ±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ô°Ô ³ªÅ¸³µÀ¸¸ç(P<0.05), È¥¼ºÃþÀÇ µÎ²²´Â 1ȸ Àû¿ë±ºº¸´Ù 2ȸ, 3ȸ Àû¿ëÇÑ ±º¿¡¼­ Áõ°¡ÇÏ¿´´Ù.
3. Prompt L-popÀ» 15ÃÊ Àû¿ëÇÑ °æ¿ì¿¡ Àü´Ü °áÇÕ °­µµ´Â 7ÃÊ Àû¿ëÇÑ ±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ô°è ³ªÅ¸³µÀ¸¸ç(P<0.05), 30ÃÊ Àû¿ë±º°ú´Â Â÷ÀÌ°¡ ¾ø¾ú´Ù. È¥¼ºÃþÀÇ µÎ²²´Â 7ÃÊ Àû¿ë±ºÀÌ °¡Àå ¾ã°í, 15Ãʱº°ú 39Ãʱº¿¡¼­´Â Â÷ÀÌ°¡ ¾ø¾ú´Ù.
4. Single bonding agent¸¦ ÀÌ¿ëÇÑ °æ¿ì µÎÅÍ¿î 2-4§­ÀÇ È¥¼ºÃþÀÌ °üÂûµÈ ¹Ý¸é, All-In-One bonding system(Prompt L-pop, 3M ESPE, USA)¿¡¼­´Â ºñ±³Àû ¾ãÀº È¥¼ºÃþ(1-2§­)ÀÌ Çü¼ºµÇ¾ú´Ù.
The purpose of the present study was to evaluate the patterns of hybrid layer according to the application time and the frequency and its effects on the shear bonding strength of Ail-In-One system in primary teeth. A single bonding agent(Scotchbond Multi-Purpose Plus, 3M) and an All-In-One system(Prompt L-pop, 3M ESPE) were applied on the dentin varying the application time and the frequency in primary teeth. Shear bond strength was measured and the patterns of hybrid layers were observed by SEM.
The following results were obtained
1. The shear bonding strength of single bonding agent was significantly higher than that of All-In-One system (P<0.05)
2. The shear bonding strength of All-In-One system applied twice or 3 times were higher than that of applied once (P<0,05), And thickness of the hybrid layer was increased when applied twice or 3 times compared to once.
3. The shear bonding strength of All-In-One system when applied for 15 second and 30 second were higher than that of 7 second (P<0.05). And the hybrid layer thickness of 15 second and 30 second¢¥s application time were higher than that of 7 second.
4. Thickness of hybrid layer applied with single bonding agent was 2-4um and that of All-In-One system was 1-2um.

Å°¿öµå

All-In-One system;Àü´Ü °áÇÕ °­µµ;È¥¼ºÃþ;All-In-One system;Shear bonding strength;Hybrid layer

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