OPG(redirected from ÖPG)
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Abbreviation for osteoprotegerin.
Office of the Paymaster General
oocysts per gram (of faeces)
optic pathway glioma
orthopantogram(or′thŏ-pan″tŏ-gram″) [ ortho- + panto- + -gram],
A panoramic x-ray of all the teeth and the surrounding bones of the face and jaw. It is obtained by rotating the imaging source around the front of the mouth and is used for orthodontic assessments, evaluations of the wisdom teeth, and periodontal imaging.