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Full mouth rehabilitation in a patient with occlusal collapse with vertical dimension increase

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Abstract

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Àû º¯È­ ¾øÀÌ ÀûÀÀÇÏ¿´´Ù. ÃÖÁ¾ ¼öº¹¹°Àº Á᫐ ±³Çսà Àüü Ä¡¾Æ°¡ ±ÕµîÇÏ°Ô Á¢ÃËÇÏ°í Ãø¹æ¿îµ¿½Ã °ßÄ¡¿¡ ÀÇÇØ Áï°¢ÀûÀ¸·Î ÀÌ°³µÇµµ·Ï ÇÏ¿´À¸¸ç ±Ý¼Ó ±³Çո鸦 ºÎ¿©ÇÏ¿© Àå±âÀûÀ¸·Î °úµµÇÑ ±ÙÀ° È°¼º ¹× ±³ÇÕ ¿Ü»ó, µµÀçÀÇ ÆÄÀýÀ» ¹æÁöÇÏ°íÀÚ ÇÏ¿´´Ù. ÀÌ»óÀÇ Ä¡·á ¸¦ ÅëÇØ ±³ÇÕ ºØ±« ȯÀÚ¸¦ ¾ÈÁ¤ÀûÀÎ º¸Ã¶ ¼öº¹¹°·Î Àç°ÇÇÑ Ä¡Ç迹¸¦ º¸°íÇÏ°íÀÚ ÇÑ´Ù.

In a case of multiple posterior teeth loss, antagonistic teeth extrude to the edentulous space and compensatory occlusion on the remained anterior teeth leads to occlusal trauma. Extrusion of antagonistic teeth breaks down occlusion plane and loss of posterior support bring about severe wear of remained teeth. In this situation, it is needed to restore remained teeth and edentulous space by increasing vertical dimension to obtain prosthodontic rehabilitation space and to correct occlusion plane. In this case report, the patient had a masticatory problem with loss of posterior teeth support and an esthetic problem of shortened anterior teeth. Before the tooth preparation for the prosthodontic restoration, the patient
used removable device for 2 months to increase vertical dimension reversibly. After that, he got provisional fixed restoration with irreversible tooth reduction and used it for 3 months. It had spent 5 month to evaluate the adaptation state on final restoration with incresed vertical dimension. The increasing amount was 3 mm, which was relatively in less degree and masticatory system adapted to the increased vertical dimension without any pathologic changes. Final restoration was made to have equal-intensity contacts on all teeth in a verifiable centric relations and immediate disclusion of all posterior contacts the moment the mandible moves in any direction from centric relation. In addition, metal occlusion surface on posterior teeth was applied to prevent excessive muscle activation, occlusal trauma and the porcelain fracture.

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collapse with vertical dimension increase

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KCI