What does OA stand for?

Occlusal Amalgam (dentistry)

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

In a cross-sectional study of 550 30- to 49-year-old healthy employed adults, scores on tests of verbal memory, nonverbal memory, attention, psychomotor speed, and fine motor coordination were not significantly associated with any of several exposure indices considered (number of visible amalgam surfaces, number of visible occlusal amalgam surfaces, urinary mercury concentration) (Factor-Litvak et al.

Dental amalgam restorations and children's neuropsychological ...

Mercury exposure was assessed using a) urinary mercury concentration (UHg); b) the total number of amalgam surfaces; and c) the number of occlusal amalgam surfaces.

Mercury derived from dental amalgams and neuropsychologic function. ...

The investigators used linear regression analyses to estimate whether there was an association between each exposure measure (UHg, total number of amalgam restorations, and number of occlusal amalgam restorations to align the upper and lower jaw) and neuropsychological test scores.

Filling the gap: new data on safety of dental amalgams. (Environews ...