loss of attachment
Also found in: Acronyms.
loss of at·tach·ment(LOA) (laws ă-tachmĕnt)
Damage to the structures that support the tooth; results from periodontitis and is characterized by relocation of the junctional epithelium to the tooth root, destruction of the fibers of the gingiva, destruction of the periodontal ligament fibers, and loss of alveolar bone support from around the tooth.
loss of attachment (LOA),
n refers to the distance between the cementoenamel junction and the base of the sulcus. Typically measured with periodontal instruments. Includes both pocket depth and recession measurements, Also known as