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peri·api·cal -'ā-pi-kəlalso -'ap-i-kəl adj of, relating to, occurring in, affecting, or being the tissues surrounding the apex of the root of a tooth <\periapical infection> <a \periapical abscess>
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adj.
around an apex, particularly the apex of a tooth. The term is applied to bone surrounding the apex and to X-ray views of this area.
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peri·ap·i·cal (per″e-apґĭ-kəl) [peri- + apic- + -al1] at or around the apex of a tooth.Medical dictionary. 2011.