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Tooth preparation design of dental laminate veneer: a review article

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ÇãÀ±Çõ ( Huh Yoon-Hyuk ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¼º°øÀûÀÎ ¶ó¹Ì³×ÀÌÆ® Ä¡·á¸¦ À§Çؼ­´Â Ä¡¾ÆÇü¼º ¹æ¹ýÀÌ ¸Å¿ì Áß¿äÇÏ´Ù. ¹ý¶ûÁú¿¡ ±¹ÇÑµÈ º¸Á¸ÀûÀÎ Ä¡¾ÆÇü¼º, Ä¡ÅÂÁ¶ÀýÀÌ¿ëÀÌÇÑ Ä¡Àº¿¬¼±»ó(equigingival) º¯¿¬, °¡´ÉÇÑ Á¸ÀçÇÏ´Â Á¢ÃËÁ¡ÀÇ À¯Áö µîÀÇ Á¶°ÇÀÌ ÀϹÝÀûÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸³ª ±¸Ã¼ÀûÀÎ Ä¡¾ÆÇü¼º µðÀÚÀο¡ °üÇÏ¿©´Â ³íÀïÀÇ ¿©Áö°¡ Á¸ÀçÇÑ´Ù. »ý¿ªÇÐÀûÀ¸·Î °í·ÁÇغ¼ ¶§, ´ÙÀ½°ú °°Àº »çÇ×µéÀÌ ÃßõµÈ´Ù. Àý´Ü¸é ÇÇ°³´Â ½É¹ÌÀû ¿ä±¸¿Í Àü¹æÀ¯µµÀÇ Àç¼³Á¤ ÇÊ¿ä ¿©ºÎ Ãø¸é¿¡¼­ °áÁ¤ÇØ¾ß Çϸç, ¹ý¶ûÁú µÎ²²°¡ ÃæºÐÇÑ °æ¿ì¿¡´Â ±¸°³Ãø ¿¬ÀåÀ» ÇÏ´Â °ÍÀÌ ÁÁÀ¸³ª ÀÀ·Â ÁýÁßÀÌ Å« ±¸°³¿À¸ñ(palatal concavity)¿¡ º¯¿¬ÀÌ À§Ä¡ÇÏ´Â °ÍÀº ºÎÀûÀýÇÏ´Ù. ÀÎÁ¢¸é ¿¬ÀåÀº Áõ·Ê¿¡ µû¶ó ¼±ÅÃÀûÀ¸·Î ½ÃÇàÇϸç, ÀÎÁ¢¸é¿¡ ·¹Áø¼öº¹¹°ÀÌ Á¸ÀçÇÏ´Â °æ¿ì¿¡´Â Ç¥¸éó¸® ÈÄ ·¹Áø ¼öº¹¹°À» Àý¹Ý ÀÌ»ó ÇÇ°³ÇÏ´Â ÇüÅÂÀÇ ¶ó¹Ì³×ÀÌÆ®·Î ¼öº¹ÇÑ´Ù. º¯»öÀÌ ½ÉÇÏÁö ¾ÊÀº ±Ù°üÄ¡·á°¡ ½ÃÇàµÈ Ä¡¾ÆÀÇ °æ¿ì ¶ó¹Ì³×ÀÌÆ® ¼öº¹À» °í·ÁÇØ º¼ ¼ö ÀÖÀ¸¸ç, ÀÌ ¶§ ¼¶À¯°­È­·¹Áø Æ÷½ºÆ®¸¦ »ç¿ëÇÏ´Â °ÍÀ» ÃßõÇÑ´Ù.

Tooth preparation design is essential for successful laminate veneer treatment. Preservative tooth preparation limited on enamel, supra-margin advantageous for plaque control, and maintaining contact points known as a standard concept. However, the tooth preparation design has been the controversial issue. In biomechanical considerations, the incisal coverage should be decided on esthetic needs and necessity for the anterior guidance reconstruction. In occasion for sufficient enamel thickness, preparation can prolong to the palatal side but not recommended at palatal concavity. Elongation to contact point is selective option according to the cases. If an old resin restoration located at contact area, laminate veneer should cover over half area of that after surface treatment. The laminate veneer can be also selected at a partially discolored tooth root canal therapy (RCT) and at this occasion, the fiber-reinforced composite (FRC) posts are recommended.

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¶ó¹Ì³×ÀÌÆ®; Ä¡¾ÆÇü¼º; ¹ý¶ûÁú; ±¸°³¿À¸ñ; ÀÎÁ¢¸é
laminate; tooth preparation; enamel; palatal concavity; contact area

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