在不咀嚼不吞咽时,上下颌牙发生咬紧或磨动的现象,称为磨牙症。早在上个世纪末及本世纪初,在医学文献上已有关于此症的论述、并认为其病因是寄生虫。此后、直至本世纪七十年代,由于此症的发病率很高,与牙周病、颞颌关节功能紊乱症、牙齿敏感……等口腔疾患都有关系、才又成为口腔医学很有兴趣的研究课题。的确,我们对此症早已熟知,但研究很少,因此对其规律还很不清楚。为此,我们开始了这项研究,兹将初步认识报导。 In the absence of chewing when swallowing, maxillary mandibular teeth clenching or grinding phenomenon, known as bruxism. As early as the end of the last century and the beginning of this century, there has been a discussion about this disease in the medical literature, and the etiology is considered to be parasites. Since then, until the seventies of this century, due to the high incidence of this disease, and periodontal disease, temporomandibular joint disorders, tooth sensitivity ... ... and other oral diseases have a relationship, it has become very interested in stomatology Research topic Indeed, we are already familiar with this disease, but few studies, so its laws are still not clear. To this end, we started the study, we will first understand the report.