Sarode Gargi S, Sarode Sachin C
Department of Oral Pathology and Microbiology, Dr. D. Y. Patil Dental College and Hospital, Dr. D.Y. Patil Vidyapeeth, Sant-Tukaram Nagar, Pimpri, Pune, Maharashtra, India.
J Oral Maxillofac Pathol. 2013 May;17(2):222-7. doi: 10.4103/0973-029X.119788.
Abfraction (AF) is the pathological loss of tooth substance caused by biomechanical loading forces that result in flexure and failure of enamel and dentin at a location away from the loading. The theory of AF is based primarily on engineering analyses that demonstrate theoretical stress concentration at the cervical areas of the teeth. However, the theory is not yet proven and there are explanations against it. AF lesions present primarily at the cervical region of the dentition and are typically wedge-shaped, with sharp internal and external line angles. Diagnosis of AF plays a very important role in the management of patients. The aim of the present narrative review is to comprehensively discuss the historical, etiopathogenetic, clinical, and diagnostic and treatment aspects of AF.
磨损（AF）是由生物力学加载力导致的牙体组织病理性丧失，这种加载力会使釉质和牙本质在远离加载部位发生弯曲和破坏。磨损理论主要基于工程分析，这些分析表明牙齿颈部区域存在理论应力集中。然而，该理论尚未得到证实，也存在与之相悖的解释。磨损病变主要出现在牙列的颈部区域，通常呈楔形，内外线角锐利。磨损的诊断在患者管理中起着非常重要的作用。本叙述性综述的目的是全面讨论磨损的历史、病因病理、临床、诊断和治疗方面。
