作者: Frances M. Andreasen , Bill Kahler
DOI: 10.1016/J.JOEN.2014.11.015
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摘要: … In a study of 55 extruded permanent incisor teeth, PN occurred in 43%, and mostly within 1 year of injury (26). In a study of 58 permanent incisor teeth with lateral luxations, PN (40%) …