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Considerations in implant crestal module to preserve peri-implant tissue

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±èÈ«ÁØ ( Kim Hong- Jun ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
±èÁöȯ ( Kim Jee-Hwan ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
±è¼ºÅ ( Kim Sung-Tae ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
ÀÌÀçÈÆ ( Lee Jae-Hoon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç
¹Ú¿µ¹ü ( Park Young-Bum ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ º¸Ã¶°úÇб³½Ç

Abstract

¿¬±¸ ¸ñÀû: ÀÓÇöõÆ® ½Ä¸³ ÈÄ º¯¿¬°ñ Èí¼ö¿¡ µû¶ó ÀÓÇöõÆ® ÁÖÀ§ ¿¬Á¶Á÷ÀÌ À籸¼ºµÇ¸ç, ÀÌ¿¡ µû¶ó Ä¡·áÀÇ ¿¹ÈÄ ¹× ½É¹Ì¼º µî¿¡ ¿µÇâÀ» ÁÖ°Ô µÈ´Ù. ±×·¯¹Ç·Î ÀÓÇöõÆ® °æºÎ ÁÖÀ§ °ñÁ¶Á÷ º¸Á¸À» À§ÇÑ ÀÓÇöõÆ® °æºÎ¿¡ ´Ù¾çÇÑ µðÀÚÀÎÀÌ ¿¬±¸µÇ°í ÀÖ´Ù. º» °íÂûÀÇ ¸ñÀûÀº Ãʱ⠺¯¿¬°ñ Èí¼öÀÇ ¿øÀΰú ÀÌ¿¡ µû¸¥ ÀÓÇöõÆ® ÁÖÀ§ÀÇ ¿¬Á¶Á÷ º¯È­¿¡ ´ëÇØ °íÂûÇÏ°í, ¾î¶°ÇÑ ÀÓÇöõÆ® °æºÎ µðÀÚÀÎÀÌ ÀÓÇöõÆ® ÁÖÀ§ Á¶Á÷ÀÇ º¸Á¸¿¡ À¯¸®ÇÑ Áö ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý:Pubmed database¿¡¼­ ÀÓÇöõÆ® Ãʱ⠺¯¿¬°ñ Èí¼öÀÇ ¿øÀΰú °ü·ÃµÈ ³í¹®°ú ÀÓÇöõÆ® °æºÎÀÇ ¿©·¯ µðÀÚÀο¡ °üÇÑ ³í¹®À» °Ë»öÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ÀÓÇöõÆ® °æºÎ µðÀÚÀÎÀº one piece implant, two piece implant, internal hex abutment, external hex abutment, taper joint connection, butt joint connection, scalloped design abutment, platform switching concept¿¡ °üÇØ °ËÅäÇÏ¿´´Ù.

°á°ú: ÃʱâÀÇ ÀÓÇöõÆ® ÁÖÀ§ Á¶Á÷ º¸Á¸¿¡ ´ëÇÏ¿© one piece implant°¡ two piece implantº¸´Ù À¯¸®ÇÑ °ÍÀ¸·Î ¿©·¯ ÀÓ»óÀû, ½ÇÇèÀû ¿¬±¸°¡ ÀÖ´Ù. Two piece implant¿¡¼­´Â internal hex abutment°¡ external hex abutmentº¸´Ù, taper joint connection°¡ butt joint connectionº¸´Ù À¯¸®ÇÒ °ÍÀ¸·Î º¸¿©Áø´Ù. Scalloped design abutment¿¡ ´ëÇؼ­´Â ³íÀïÀÇ ¿©Áö°¡ ÀÖ¾î ´õ ¸¹Àº ¿¬±¸°¡ ÇÊ¿äÇÒ °ÍÀ¸·Î ÆǴܵȴÙ. Platform switching conceptÀº ±× ¿øÀÎÀÌ ¸íÈ®È÷ ¹àÇôÁöÁö´Â ¾Ê¾ÒÀ¸³ª ÀÓ»óÀû, ½ÇÇèÀûÀ¸·Î Ãʱâ ÀÓÇöõÆ® ÁÖÀ§ Á¶Á÷ º¸Á¸¿¡ ´ëÇØ À¯¸®ÇÑ °ÍÀ¸·Î ÆǴܵȴÙ.

°á·Ð: ÀÓÇöõÆ® °æºÎÀÇ µðÀÚÀθ¶´Ù °¢°¢ÀÇ Àå´ÜÁ¡ÀÌ ÀÖ°í Ãß°¡ÀûÀÎ ¿¬±¸°¡ ´õ ÇÊ¿äÇÑ Á¦ÇÑÀÌ ÀÖÁö¸¸ ÇöÀç±îÁöÀÇ ¼±Çà ¿¬±¸µéÀ» ºÐ¼® Á¾ÇÕÇØ º¸¸é Ãʱâ ÀÓÇöõÆ® ÁÖÀ§ Á¶Á÷ º¸Á¸À» °í·ÁÇÑ´Ù¸é °¡´ÉÇÑ °æ¿ì one piece implant°¡ À¯¸®ÇÒ °ÍÀ¸·Î ÆǴܵǸç, º¸Ã¶ÀûÀÎ ¹®Á¦³ª ´Ù¸¥ ÀÌÀ¯·Î ÀÎÇÏ¿© two piece implant¸¦ °í·ÁÇÒ °æ¿ì platform switching concept, internal connection abutment, taper joint connectionÀ» ÀÌ¿ëÇÏ´Â °ÍÀÌ ÀÓÇöõÆ® ÁÖÀ§ Á¶Á÷ º¸Á¸¿¡ Á»´õ À¯¸®ÇÒ °ÍÀ¸·Î »ç·áµÈ´Ù.

Purpose: The peri-implant soft tissue is remodeled by the initial marginal bone resorption affecting the prognosis and esthetic result of treatment. Thus various designs on implant neck design are studied to preserve peri-implant bone. The purpose of this study is to review on the causes of initial marginal bone resorption, the configuration of peri-implant soft tissue, and the implant crestal module favorable in preserving peri-implant tissue.

Materials and Methods : The studies on the causes of initial marginal bone resorption and the implant crestal modules are researched and reviewed using Pubmed database. The implant crestal modules including one piece and two-piece implant, internal and external hex abutment, taper and butt joint connection, scalloped design abutment, and platform switching concept are reviewed.

Results: A number of clinical and experimental studies preferred one piece implant to two-piece in preserving initial peri-implant tissue. For two piece implants, internal hex abutment and taper joint connection appear more favorable than external hex abutment and butt joint connection relatively. Controversial issues still exist on scalloped design requiring more studies on it. Although the rationale is not certain, the concept of platform switching seems favorable in preserving initial peri-implant tissue based on clinical and experimental studies.

Conclusion: Each implant crestal module contains its own advantages and disadvantages with various controversial issues. In the aspect of preservation of initial peri-implant tissue, however, one-piece implant seems beneficial. In cases when two-piece implant is more appropriate due to prosthodontic concerns or any other problems, the application of platform switching concept, internal connection abutment, and taper joint connection may be favorable for the preservation of peri-implant tissues.

Å°¿öµå

ÀÓÇöõÆ® °æºÎ µðÀÚÀÎ
Implant crestal module; Implant neck design; One piece implant; Internal hex abutment; Taper joint connection; Platform switching concept

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