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THE BONE GRAFT DECLINED. IS THERE STILL A ROLE FOR IMPLANT SURGERY?

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¾çÀ±¼®/Yun-Seok Yang D.D.S/M.S.D/PhilipWorthington/D.D.S/B.Sc/F.D.S.R.C.S/D.D.S/M.S.D/Philip Washington/D.D.S/B.Sc/F.D.S.R.C.S

Abstract

°ñÀÇ ÅðÃà ȤÀº ¼ö¼ú½ÃÀÇ ÀýÁ¦·Î ÀÎÇØ ÀÓÇöõÆ®¸¦ ½Ä¸³Çϱ⿣ ºÒÃæºÐÇÑ ¾Ç°ñÀ» °¡Áø ȯÀÚ
¿¡ À־ °ñ À̽ļúÀÇ Çʿ伺Àº ¿À·§µ¿¾È ³íÀÇ µÇ¾î¿Ô´Ù.
°ñÀ̽ļúÀº ¾Ç°ñÀÇ Àüü µÎ²²(full thickness)°á¼Õ½Ã ¿¬°á¼º(continuity)ÀÇ ¼öº¹, ȤÀº Ç¥¸é
(surface)¿¡¼­ÀÇ °ñ»ó½Ç½Ã º¸°­(augmentation)¸ñÀûÀ¸·Î ¾²ÀÏ ¼ö ÀÖ´Ù. µû¶ó¼­ ¼úÀÚµéÀº ÀÓÇÃ
¶õÆ®¸¦ ½Ä¸³Çϱ⿡ ºÒÃæºÐÇÑ ¾Ç°ñÀ» °¡Áø ȯÀÚ¿¡ ÀÖ¾î °ñ À̽ļúÀ» ±ÇÀ¯ÇÏ°Ô µÈ´Ù.
±×·¯³ª, °ñ À̽ļúÀº donor siteÀÇ morbidityȤÀº ¼ö¼ú¿¡ ´ëÇÑ µÎ·Á¿ò, Ãß°¡µÇ´Â ºñ¿ë¿¡ ´ë
ÇÑ ¿°·Á µîÀ¸·Î ÀÎÇØ È¯ÀÚ¿¡ ÀÇÇØ °ÅºÎµÉ ¶§°¡ Á¾Á¾ ÀÖ´Ù.
¾Ç°ñ °á¼ÕÀ¸·Î ÀÎÇØ °ñÀ̽ľøÀÌ´Â ÀÓÇöõÆ®¸¦ ½Ä¸³Çϱ⠾î·Á¿î °æ¿ì¿¡ À־µµ ÀÓÇöõÆ®
¼ú½ÄÀÌ ¿©ÀüÈ÷ ÇØ°áÃ¥ÀÌ µÉ ¼ö ÀÖÀ»±î?
´ÙÀ½ÀÇ µÎ°¡Áö Áõ·Ê¸¦ ÅëÇØ ÀúÀÚµîÀº °ñÀ̽ļú ¾øÀÌ´Â ÀÓÇöõÆ®¸¦ ½Ä¸³Çϱ⠾î·Á¿î °æ¿ì
¿¡ À־µµ ÀÓÇöõÆ® ¼ú½ÄÀÌ ¿©ÀüÈ÷ Ä¡·á¹æ¹ýÀ¸·Î¼­ Àǹ̰¡ ÀÖ¾úÀ½À» º¸°íÇÏ´Â ¹ÙÀÌ´Ù.
#ÃÊ·Ï#
Some patients whose bone is inadequate in volume for implants to be placed with
confidence may choose to decline bone graft augmentation on grounds of cost, time
involved, fear of surgery or concern about the donor site. The two cases reported here
suggest that even in these extreme circumstances the patients may still be helped by
judicious placement of endosseous implants.
Bone with intact periosteum possesses considerable poweres of regeneration once the
adverse effects of surface pressure and infection are removed. This has been shown in
the experimental animal by Bridges and Pritchard, and noted in the human by Nagase
paricularly in the young patient Conversely Shukers and Boyne noticed a decline in the
regenerative capacity in older patients. Our first patient was over 50 years of age but
nevertheless showed an ability to regenerate bone.
In our second patient the pattern of bone regeneration was unusal but the degree to
which regeneration occurred was impressive. Because of the form of the regenerated
mandible, making the prosthodontic solution a compromise. The patient is content
however to have avoided the resection and bone graft and wears her prosthesis 4 years
later.
These two illustrative cases suggest that even when a patient declines a bone graft
that most would regard as indicated, all is not lost ; the patient may still be helped by
endosseous implants which facilitate a prosthetic solution.

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