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A STUDY ON THE INFLUENCE OF PRETREATMENT ON THE BOND STRENGTHS OF SOME PIT AND FISSURE SEALANTS

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Abstract

°á·Ð
º» ¿¬±¸´Â ¼ººÐ°ú Ư¼ºÀÌ »óÀÌÇÑ 3Á¾ÀÇ Ä¡¸é¿­±¸ Àü»öÀçÀÇ Àü´Ü°áÇÕ°­µµ¸¦ ºñ±³ÇÏ°í, °¢
Àü»öÀç¿¡¼­ »êºÎ½Ä Ä¡¸éÀÌ ¼öºÐ¿¡ ¿À¿°µÉ °æ¿ì º¸´Ù È¿À²ÀûÀÎ Ä¡¸é󸮹æ¹ýÀ» ¸ð»öÇÒ ¸ñÀû
À¸·Î, ¿©·¯ Ä¡¸é󸮹ý°ú Á¶°ÇÀ» ¼³Á¤ÇÏ¿© ±×¿¡ µû¸¥ Ä¡¸é¿­±¸ Àü»öÀçÀÇ À¯Áö·ÂÀ» ºñ±³ºÐ¼®
ÇÏ¿© ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. ·¹Áø°è Àü»öÀçÀÎ HelinsealÀÌ ºÒ¼ÒÀ¯¸® ·¹Áø°è Àü»öÀçÀÎ Teethmate-F¿¡ ºñÇØ Àü´Ü°áÇÕ
°­µµ°¡ ´Ù¼Ò Å©°Ô ³ªÅ¸³µÀ¸³ª, À¯ÀÇÇÑ ¼öÁØÀº ¾Æ´Ï¾ú´Ù.(p>0.05)
2. GI°è Àü»öÀçÀÎ Fuji ¥²ÀÇ Àü´Ü°áÇÕ°­µµ´Â 2Á¾ÀÇ ·¹Áø°è Àü»öÀç¿¡ ºñÇØ ³·°Ô ³ªÅ¸³µ
´Ù.(p<0.05)
3. ¿©·¯°¡Áö Ä¡¸é󸮹ý¿¡ µû¸¥ Ä¡¸é¿­±¸ Àü»öÀçÀÇ Àü´Ü°áÇÕ°­µµ´Â 3Á¾ÀÇ Àü»öÀç¿¡¼­ µ¿
ÀÏÇÑ °á°ú¸¦ ¾ò¾ú´Âµ¥, ¼öºÐ¿¡ ¿À¿°µÈ Ç¥¸é¿¡¼­ Àü»öÀçÇϹ濡 primer¸¦ ó¸®ÇÑ ±º (¥³±º)ÀÌ
ó¸®ÇÏÁö ¾ÊÀº ±º(¥±±º)¿¡ ºñÇØ °áÇÕ°­µµ°¡ ³ô°Ô ³ªÅ¸³µ´Ù.(p<0.05)
4. °ÇÁ¶»óÅ¿¡¼­ÀÇ ¾ç ±º(¥°, ¥±)Àº À¯»çÇÑ °áÇÕ°­µµ¸¦ º¸¿´´Ù. (p>0.05)
5. ÀÌ»óÀÇ °á°ú¿¡¼­ Ä¡¸é¿­±¸Àü»öÀç µµÆ÷½Ã ¼öºÐ¿À¿°ÀÌ Á¢Âø·ÂÀÇ ½É°¢ÇÑ °¨¼Ò¸¦ ÃÊ·¡ÇÔÀÌ
È®ÀÎµÇ¾î ¿Ïº®ÇÑ ¹æ½À¹ýÀÌ »õ»ï °­Á¶µÇ¾úÀ¸¸ç, Ÿ¾×¿À¿°ÀÇ °¡´É¼ºÀÌ ³ôÀº ½Ã¼ú»óȲ¿¡¼­´Â
primer¸¦ º´¿ëÇÏ´Â °ÍÀÌ ¹Ù¶÷Á÷ÇÒ °ÍÀ¸·Î ÆǴܵǾú´Ù.
#ÃÊ·Ï#
For the purpose of comparing the shear bond strengths of pit and fissure sealants,
and finding out the more efficient method of tooth surface treatment when the etched
surface is contaminaed by saliva or moisture, an experiment was performed on 3 types
of pit and fissure sealants. 120 extracted human molars were divided into 3 groups, each
of which was composed of 40 specimens sealed with Helioseal, Teethmate-F and Fuji
¥² respectively. And each groups was again divided into 4 subgroups according to tooth
surface treatment. The shear bond strengths of each groups and subgroup was
measured and statistically analyzed.
The results obtained were as follows :
1. Shear bond strengths of nonfluoridated resin sealant, Helioseal were shown to be
higher than those of fluoridated resin sealant, Teethmate-F, but, not significantly
different.
2. Shear bond strengths of GI sealant, Fuji ¥² were to be markedly lower than those
of two resin sealants.
3. When there is moisture contamination, applying primer under sealant(Group ¥³)
results in a significantly stronger bond strength of sealant to enamel than when using
sealant alone (Group ¥±) in case of all sealants.
4. When there is no moisture contamination, using primer under sealant(Group ¥²)
results in bond strength equivalent to bond strength on using sealant alone (Group ¥°).
5. Based on the results above, it was demonstrated that the bond of sealant to tooth
surface is greatly affected by saliva contamination and that the complete tooth isolation
method should be fully emphasized. The application of primer is recommended when
performing sealant under the environment very susceptible to saliva contamination.

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