Journal of the Korean Academy of Pediatric Dentistry 2004;31(1):41-45.
Published online February 29, 2004.
TREATMENT OF THE IMPACTED LOWER SECOND MOLARS
 
매복된 하악 제2대구치 맹출유도의 치험례
한수경, 김정욱, 이상훈, 김종철, 한세현, 장기택
서울대학교 치과대학 소아치과학교실
Correspondence:  , 
Abstract
In the normal growth and development of the mandible, the molar tooth buds distal to the first permanent molar have a mesial inclination. This inclination is usually self-correcting, but, unfortunately, this self-correction does not always occur. The first case is about, 14-year-old female patient with familial history of lower second molar impaction. Her lower second molars were both impacted, and she was treated with sectional wires and open-coil springs. The second case, 14-year-old male, we treated his impacted #47 with Halterman appliance. The third case, 11-year-old male, his both mandibular second molars were impacted during full-fixed orthodontic treatment. They were treated with brass wire, sectional wire and open-coil spring.
Key Words: Impaction, Lower second molar, Sectional arch, Open-coil spring, Halterman appliance, Brass wire


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