Journal of the Korean Academy of Pediatric Dentistry 2011;38(1):44-50.
Published online February 28, 2011.
TREATMENT OF IMMATURE TEETH WITH A 3-MIX PASTE: CASE REPORT
So Jung Kim, Hae-Sung Cho, Youn-Joo Chung, Sung Chul Choi, Jae Hong Park
Department of Pediatric Dentistry, School of Dentistry, Kyung-Hee University 
항생제를 이용한 미성숙 영구치의 치험례
김소정, 조해성, 정윤주, 최성철, 박재홍
경희대학교 치과대학 소아치과학교실
Correspondence:  Jae Hong Park,  Tel: 02-958-9373, Email: pedopjh@khu.ac.kr
Received: 3 July 2010   • Accepted: 15 December 2010
Abstract
An immature tooth with infected pulp has numerous potential complications. Conventional apexification with calcium hydroxide has several disadvantages, including susceptibility to tooth fracture. This method does not promote continual root development. Pulp revascularization of a necrotic, immature permanent tooth will allow further development of the root and dentinal structure. Disinfection of the root canal system is a prerequisite for pulp revascularization and tissue regeneration. A combination of antibiotic drugs (ciprofloxacin, metronidazole, and minocycline) is effective for disinfection of necrotic pulp, and has been used successfully in regenerative endodontic treatment. These case reports involve the treatment of 3 immature permanent teeth with necrotic pulp using a 3-Mix paste and mineral trioxide aggregate. All cases showed the notable apical maturation with closure of the apex and increased thickness of dentinal walls. This approach suggests a paradigm shift in treating endodontically involved immature permanent teeth from the traditional apexification with calcium hydroxide to the conservative approach by providing a favorable environment for tissue regeneration.
Key Words: Pulp revascularization, 3-Mix paste, Intracanal medication, Immature permanent teeth


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