抄録
A 44 year old hypoprothrombinemia patient with gingival swelling and pain of right upper lateral incisor region.
In order to increase prothrombin level, coagulation studies were made contrasting factor IX concentrate and fresh plasma.
Factor IX concentrate was more effective than fresh plasma was the finding.
Therefore, the surgical procedure of tooth extraction and cystectomy was performed by applying factor IX concentrate.
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