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A study of sagittal condylar inclination and occlusal plane inclination of two semiadjustablearticulators with different reference plane

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±èÈ¿Áß, À̼ºº¹, ÃÖ´ë±Õ, ¹éÁø,
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±èÈ¿Áß ( Kim Hyo-Jung ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
À̼ºº¹ ( Lee Sung-Bok ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
ÃÖ´ë±Õ ( Choi Dae-Gyun ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç
¹éÁø ( Paik Jin ) - °æÈñ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Ã¶Çб³½Ç

Abstract

¿¬±¸¸ñÀû: ±âÁ¸ÀÇ ±³ÇÕ±âµéÀº ¼­¾çÀÎÀÇ ¾Ç¾È¸é±¸Á¶¿Í ÇϾǿ Æò±ÕÄ¡¿¡ ¸ÂÃß¾î Á¦À۵Ǿî ÀÖ´Ù. ÀÌ¿¡ ÇöÀç ÀÓ»ó±³À°¿¡ ³Î¸® »ç¿ëÇÏ°í ÀÖ´Â ¹ÝÁ¶Àý¼º ±³ÇÕ±â (KaVo PROTAR, Hanau Modular)¸¦ Çѱ¹Àο¡°Ô Àû¿ëÇÔ¿¡ À־ ÀûÀýÇÑ ±âÁØÀ» ±¸ÇÏ°íÀÚ À̹ø ¿¬±¸¸¦ ½ÃÇàÇÏ¿´´Ù.

¿¬±¸¹æ¹ý: 24~41¼¼ Çѱ¹ÀÎ ¼ºÀÎ 59¸í (³²41¸í, ¿©18¸í)À» ¼±Á¤ÇÏ¿´´Ù. ÇÇ°ËÀÚ ÀÏÀÎ´ç µÎ½ÖÀÇ »óÇÏ¾Ç ¸ðÇüÀ» Á¦ÀÛ, KaVo PROTARevo 7°ú Hanau Modular ¹ÝÁ¶Àý¼º±³Çձ⿡ facebow transferÇÏ¿© ±³Çձ⿡ ºÎÂø ÈÄ Àü¹æ½Ã»ó°ú·Î°¢, ±³ÇÕÆò¸é°æ»çµµ, ±³Çձ⠻óÀÇ ÇϾÇÀÇ À§Ä¡¸¦ °èÃøÇÏ¿´´Ù.

¿¬±¸¼ºÀû: 1. Æò±Õ Àü¹æ½Ã»ó°ú·Î°¢Àº KaVo PROTAR ¹ÝÁ¶Àý¼º ±³ÇÕ±â»ó¿¡¼­ 33.75?(Ç¥ÁØÆíÂ÷ 12.46?)¿´°í, Hanau Modular ¹ÝÁ¶Àý¼º±³ÇÕ±â»ó¿¡¼­ 40.72?(Ç¥ÁØÆíÂ÷ 12.09?)¿´´Ù. 2. Æò±Õ ±³ÇÕÆò¸é°æ»ç°¢Àº KaVo PROTAR ¹ÝÁ¶Àý¼º ±³ÇÕ±â»ó¿¡¼­ -2.76?(Ç¥ÁØÆíÂ÷ 3.63?)¿´°í, Hanau Modular ¹ÝÁ¶Àý¼º ±³ÇÕ±â»ó¿¡¼­ 11.87?(Ç¥ÁØÆíÂ÷ 3.63?)¿´´Ù. 3. ÇϾÇÄ¡¿­ÀÇ Áß½ÉÀº ±³ÇÕ±âÀÇ Á߽ɿ¡¼­ Æò±Õ 5~7 mm ¹üÀ§³»¿¡ ÀÖ¾úÀ¸¸ç KaVo PROTAR ¹ÝÁ¶Àý¼º ±³Çձ⿡¼­´Â ÀüÄ¡ºÎ¿Í ±¸Ä¡ºÎ ¸ðµÎ ±³ÇÕ±âÀÇ »óÇÏÀû À§Ä¡°ü°è¿¡¼­ Áß¾Ó¿¡ À§Ä¡ÇÏ¿´°í, Hanau Modular ¹ÝÁ¶Àý¼º ±³Çձ⿡¼­´Â ±³ÇÕ±âÀÇ Áß¾Ó³ôÀÌ¿¡¼­ ÀüÄ¡ºÎ´Â ÇϹæ 5 mm, ±¸Ä¡ºÎ´Â »ó¹æ 3 mm¿¡ À§Ä¡ÇÏ¿´´Ù.

Statement of problem & Purpose: Articulators are very important for education and overall clinical situation in the field of prosthodontics, however preexisting articulators are designed and built based on maxillofacial structures and mean values of mandibular movement of Western people. Purpose of this research is to find out a adequate basis for applicating these articulators, presently used for clinical education, for Korean.

Material and methods: 59 Korean adults (41 males, 18 females), aged between 24 to 41, where selected for this study.Two pairs of both maxillary and mandibular models were made for each examinee. These models where attached to both KaVo PROTARevo 7 and Hanau Modular semiadjustable articulators by using facebow transfer, than sagittal condylar inclination, occlusal plane inclination and position of mandibular on the articulator where measured.

Result and conclusion: 1. Mean sagittal condylar inclination for KaVo PROTAR semiadjustable articulator was 33.75¡Æ(standard deviation 12.46¡Æ) meanwhile Hanau Modular semiadjustable articulator showed 40.72¡Æ(standard deviation 12.09¡Æ) for mean sagittal condylar inclination. 2. Mean occlusal plane inclination for KaVo PROTAR semiadjustable articulator was -2.76¡Æ(standard deviation 3.63¡Æ) meanwhile Hanau Modular semiadjustable articulator showed 11.87¡Æ (standard deviation 3.63¡Æ) for mean occlusal plane inclination. 3. On the average center of the mandibular dentition were in the range of 5 to 7 mm of the central position of the articulator. Both anterior and posterior dentition were positioned at the center of the articulator vernacularly for KaVo PROTAR semiadjustable articulators, meantime for Hanau Modular semiadjustable articulator, anterior dentition was positioned 5 mm downwards and 3mm upwards for posterior dentition from vertically central position of the articulator.

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Dental articulator;Condylar inclination;Occlusal plane inclination;Camper¡¯s plane;Frankfort horizontal plane (F-H plane)

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KCI
KoreaMed