Table 1 Sample description and distribution (n = 28).

From: Analysis of quality of life and periodontal health with an eight-unit maxillary fixed retainer through a prospective clinical trial

Age

Mean (SD)

19.82 (3.33)

Gender: n (%)

Male

6 (21.4%)

Female

22 (78.6%)

Treatment technique: n (%)

Extraction

11 (39.3%)

Non-extraction

17 (60.7%)

  1. SD standard deviation, n: frequency.
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