Burning mouth syndrome (BMS) is identified as a condition usually associated with an unexplained, prolonged sensation of pain and/or burning inside the oral cavity in the absence of distinctive histological changes in oral mucosa.

• 灼口综合征(burning mouth syndrome,BMS)是指发生在口腔粘膜,常伴有无法解释的、持续性疼痛和/或烧灼感,而口腔粘膜缺乏特征性的组织学改变。