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Clinical Study on the Survival Rate and Marginal Bone Resorption of Short Implants

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¸íżö ( Myung Tae-Soo ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç ¹× »ýüÀç·á¡¤¸Å½Ä¿¬±¸¼Ò
Á¤½ÂÇö ( Jung Seung-Hyun ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç ¹× »ýüÀç·á¡¤¸Å½Ä¿¬±¸¼Ò
±èÀ¯¸® ( Kim Yu-Lee ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç ¹× »ýüÀç·á¡¤¸Å½Ä¿¬±¸¼Ò

Abstract

ªÀº ÀÓÇöõÆ®´Â »ó¾Çµ¿À̳ª ÇÏÄ¡Á¶½Å°æ µîÀÇ ÇغÎÇÐÀû ±¸Á¶¹°ÀÌ Àְųª ½ÉÇÑ Ä¡Á¶°ñ Èí¼ö·Î ÀÎÇØ Á¦ÇÑÀûÀÎ Ä¡Á¶Á¦ ³ôÀ̸¦ °¡Áö´Â ºÎÀ§¿¡¼­ »ç¿ëµÇ°í ÀÖ´Ù. º» ¿¬±¸´Â ±æÀÌ 10 mm ÀÌÇÏÀÇ ÀÓÇöõÆ®¿¡¼­ ÀÓÇöõÆ®ÀÇ ±æÀÌ, Á÷°æ, ½Ä¸³ ºÎÀ§, °ñÀ̽ļú À¯¹«, º¸Ã¶¹°ÀÇ ¿¬°á°íÁ¤ À¯¹«°¡ ÀÓÇöõÆ®ÀÇ »ýÁ¸À²°ú º¯¿¬°ñ Èí¼ö¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. ¿ø±¤´ëÇб³ Ä¡°úº´¿ø ÀÓÇöõÆ®¼¾ÅÍ¿¡¼­ ±æÀÌ 10 mm ÀÌÇÏÀÇ ÀÓÇöõÆ®¸¦ ½Ä¸³ÇÑ 137¸íÀÇ È¯ÀÚ, 227°³ ÀÓÇöõÆ®¸¦ ´ë»óÀ¸·Î Áø·á ±â·ÏºÎ¸¦ ÅëÇØ ÀÓÇöõÆ®ÀÇ ±æÀÌ, Á÷°æ, ½Ä¸³ À§Ä¡, °ñÀÌ½Ä À¯¹«, º¸Ã¶¹°ÀÇ ¿¬°á°íÁ¤ À¯¹«¸¦ Á¶»çÇÏ¿´´Ù.º¯¿¬°ñ Èí¼ö·®Àº Emago advanced v5.6(Oral diagnostic systems, Amsterdam, The Netherlands) ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù. ÃÑ 227°³ÀÇ ÀÓÇöõÆ® Áß 8°³°¡ ½ÇÆÐÇÏ¿©, Àüü ªÀº ÀÓÇöõÆ®ÀÇ »ýÁ¸À²Àº 96.5 %·Î ³ªÅ¸³µ´Ù. °ñÀÌ½Ä ºÎÀ§¿Í »ó¾Ç¿¡ ½Ä¸³µÈ °æ¿ì ´õ ³ôÀº ½ÇÆÐÀ²À» º¸ÀÌ´Â °æÇâÀÌ ÀÖ¾úÀ¸¸ç, ÀÓÇöõÆ®ÀÇ ±æÀÌ¿Í Á÷°æÀº º¯¿¬°ñ Èí¼ö·®¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù. ½ÇÆÐ ¿äÀÎÀ» Á¶»çÇÏ¿´À» ¶§, »ó¾ÇÀÇ ºÒ·®ÇÑ °ñÁú°ú °ñÀÌ½Ä À¯¹«°¡ ÀÓÇöõÆ®ÀÇ ´õ ³ôÀº ½ÇÆÐÀ²¿¡ ¿µÇâÀ» ¹ÌÃÆ´Ù. 10 mm ÀÌÇÏ ÀÓÇöõÆ®¿¡¼­ ±æÀÌ, Á÷°æ, ½Ä¸³ ºÎÀ§, °ñÀ̽ļú°ú º¸Ã¶¹°ÀÇ ¿¬°á °íÁ¤Àº ÀÓÇöõÆ®»ýÁ¸À²°ú º¯¿¬°ñ Èí¼ö·®¿¡ ¿µÇâÀ» ³¢Ä¡Áö ¾Ê¾Ò´Ù.

Short implants are used in parts which have anatomical structures like maxillary sinus, inferior alveolar nerve and limited
alveolar height due to severe alveolar bone resorption. In these case, there are no need of additional bone augmentation
so there are advantages like reduced entire treatment time, reduced patient¡¯s discomfort and protection of important
anatomical structures. The aim of this study is, in implants whose length is less than 10mm, to analyze the impact of implant length, diameter, location of implant placement, presence of bone graft, presence of prosthesis splinting on survival rates and marginal bone resorption.The samples used in this study were 227 implants, less than 10mm, placed in 137 patients in Wonkwang university dental hospital implant center. From dental charts the information about implant length, diameter, location of implant placement, presence of bone graft, presence of prosthesis splinting were obtained. Emago advanced v5.6(Oral diagnostic systems, Amsterdam, The Netherlands)program was used to measure the amount of marginal bone resorption. Out of total 227 implants, resulting in 96.5 % of survival rate. There was a tendency toward higher failure rates for the maxilla and bone graft site. No significant difference in marginal bone resorption was found associated with length of implants(p>0.05) and neither with the diameter of implants. Among the risk factors examined, more failure rates of short implants can be attributed to poor bone quality in the maxilla and presence of bone graft. At implants under 10mm, length, diameter, location of implant placement, bone graft and splinting of prosthesis didn¡¯t affect marginal bone loss.

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ªÀº ÀÓÇöõÆ®;»ýÁ¸À²;º¯¿¬°ñ Èí¼ö;°øÁ¦¿µ»ó
Short Implant;Survival rate;Marginal bone resorption;Digital substraction image

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