| gingival g., free |
a shallow groove on the facial surface of the gingiva, running parallel to the margin of the gingiva at a distance of 0.5 to 1.5 mm, and usually at the level of, or somewhat apical to, the bottom of the gingival sulcus.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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