Factorsanalysisonfaultsinhightemperaturecastmetaldentures口腔义齿修复中，铸造是一项技术性强，工艺复杂的制作过程。本文根据作者多年从事高温铸造义齿修复的经验，对铸造件缺陷的发生原因进行分析，并提出相应预防措施。回缺陷种类和发生原因铸件中出现气孔、砂孔和编孔 Factorsanalysisonfaultsinhightemperaturecastmetaldentdentures Denture restoration, casting is a technical, complex process of making process. Based on the author's many years of experience in the repair of high-temperature casting dentures, this paper analyzes the causes of casting defects and puts forward corresponding preventive measures. Back to the types of defects and causes of the occurrence of porosity, sand holes and brazing holes