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Prosthetic rehabilitation of partially edentulous patient after hemimandiblectomy: Case reportMandibular osteotomy; Neutral zone technique; Twin occlusion; Bisphosphonate-associated osteonecrosis of the Jaw

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À̵¿ÈÆ, À¯µ¿¼ö, ÀÌÁ¾Çõ,
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À̵¿ÈÆ ( Lee Dong-Hun ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
À¯µ¿¼ö ( Yoo Dong-Soo ) - ´Ü±¹´ëÇб³ ÀÇ°ú´ëÇÐ ¿µ»óÀÇÇаú
ÀÌÁ¾Çõ ( Lee Jong-Hyuk ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

ÇϾǰñ ¿¬¼Ó¼ºÀÇ »ó½ÇÀº ÇÏ¾Ç ±â´ÉÀÇ ±ÕÇü°ú ´ëĪ¿¡ ¿µÇâÀ» ÁÖ¸ç, ÇϾÇÀÇ ¿òÁ÷ÀÓ¿¡ º¯È­¸¦ À¯¹ßÇÏ°í ÀýÁ¦µÈ ºÎÀ§·Î ÀÜÁ¸ÇϾǰñÀ» ÆíÀ§½ÃŲ´Ù. ¶Ç ÇÑ ¿¬ÇÏ, ¹ßÀ½, ÇϾÇÀÇ ¿îµ¿, ÀúÀÛ, È£Èí°ú °°Àº ´Ù¸¥ ºÎºÐ¿¡¼­µµ ±â´ÉÀÌ»óÀ» ³ªÅ¸³½´Ù. ÇϾǰñÀÇ ÀϺΰ¡ °á¼ÕµÈ ȯÀÚÀÇ °æ¿ì, ÀϹÝÀûÀ¸·Î ¿Ü°úÀû Àç°Ç¿¡ ÀÌ¾î º¸Ã¶Àû ¼öº¹ÀÌ ÀÌ·ç¾îÁø´Ù. ÇÏÁö¸¸ BRONJ (Bisphosphonate related osteonecrosis of the Jaw)¿Í °°Àº Àü½ÅÀû ÁúȯÀ» °¡Áø ȯÀÚÀÇ °æ¿ì, ¿Ü°úÀû Àç°ÇÀÇ Àû¿ë¿¡ Á¦ÇÑÀÌ ÀÖ°Ô µÇ°í ÀüÀûÀ¸·Î º¸Ã¶Àû ¼öº¹¿¡ ÀÇÁöÇÏ°Ô µÈ´Ù. ´Ù¾çÇÑ º¸Ã¶Àû ¹æ¹ýÀÌ ÇϾÇÀÇ º¯À§¸¦ ÃÖ¼ÒÈ­ÇÏ°í ÀúÀÛ È¿À²°ú ±â´É ¹× ½É¹Ì¸¦ °³¼±Çϱâ À§ÇÏ¿© Á¦½ÃµÇ¾ú´Ù. °¡Ã¶¼º ±¹¼ÒÀÇÄ¡·Î Ä¡·á ½Ã, ÀÔ¼ú, »´, ÇôÀÇ ¿îµ¿¿¡ ÀÇÇØ Ãø¹æ ¹× ¼öÆò·ÂÀÌ ¹ß»ýÇÏ¸ç ±â´É ÀλóÀ» ÅëÇØ À̸¦ ÃÖ´ëÇÑ ÁÙ¿© ÁÖ¾î¾ß ÇÑ´Ù. ¶ÇÇÑ, Twin occlusionÀ» »ç¿ëÇϸé ÀûÀýÇÑ ±¸¼ø ¹× ÇùÃøÀÇ ÁöÁö¸¦ ¾òÀ¸¸é¼­ ±³ÇÕ°ü°èÀÇ Çü¼ºÀ» °¡´ÉÇÏ°Ô ÇÒ ¼ö ÀÖ´Ù. ÀÌ Áõ·Êº¸°í¿¡¼­´Â ÇϾǰñ °á¼Õ Áõ·Ê¿¡¼­ Á߸³´ë Àλó ¹æ¹ý°ú twin occlusionÀ» ÅëÇÏ¿© ±â´ÉÀû ½É¹ÌÀûÀ¸·Î ¸¸Á·ÇÒ ¸¸ÇÑ °á°ú¸¦ ¾ò¾ú±â¿¡ À̸¦ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

Loss of continuity of the mandible destroys the balance and symmetry of mandibular function, leading to altered mandibular movements and deviation of the residual fragment towards the resected side. Apart from deviation, other dysfunctions include difficulty in swallowing, speech, mandibular movements, mastication, and respiration are accompanied. In general, surgical reconstruction is considered first then proceeds to the prosthetic restorations. However, patients with systemic disease such as BRONJ (Bisphosphonate related osteonecrosis of the Jaw), surgical reconstruction may be limited. Thus, the prosthetic restoration remains as the only resort. Numerous prosthetic methods are employed to minimize deviation and to improve masticatory efficiency, function and esthetics. If a removable partial denture is the selected treatment modality, maximum stability of the partial denture base may be accomplished with a functional impression procedure by means of eliminating lateral and horizontal forces caused by the functional movements of the lips, cheeks and tongue. Also, Twin occlusion is used to obtain a favorable occlusal relationship and check support for esthetics. The purpose of this case report is to demonstrate how neutral zone impression technique and twin occlusion scheme were applied to restore a hemi-mandiblectomy patient with BRONJ syndrome to achieve satisfactory results in functional and esthetic aspects.

Å°¿öµå

ÆíÃøÇϾǰñ°á¼Õ; Á߸³´ë Àλó; Twin occlusion; ºñ½ºÆ÷½ºÆ÷³×ÀÌÆ® °ü·Ã ¾Ç°ñ ±«»ç
Mandibular osteotomy; Neutral zone technique; Twin occlusion; Bisphosphonate-associated osteonecrosis of the Jaw

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