from Wiktionary, Creative Commons Attribution/Share-Alike License.
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from Wiktionary, Creative Commons Attribution/Share-Alike License
One biopsy of gingival tissue of each periodontally-healthy subjects (N = 57) were taken from sites that showed no bleeding on probing, probing depth smaller than three millimeters, and clinical attachment loss smaller than one millimeter during surgical procedures due to esthetics, orthodontic or prosthetic reasons.
C = periodontally-healthy controls; AP = aggressive periodontitis cases.