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Nature
"相关结果 150条Temporary pontics are a popular strategy to hide tooth extraction sites ('black holes') during course of the orthodontic treatment, especially with lingual appliances. Here, we describe a technique for using the patient's extracted premolar as a temporary pontic.
doi.orgStory collected by Edward Lee, a student at Inistioge (B.) school (Inistioge, Co. Kilkenny) from informant Mr James Lee.
doi.org