A clinical evaluation of the effects of oral irrigation on the gingival health of adult orthodontic patients
Alexander, Kristen Michelle
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Twenty adult orthodontic patients with fixed orthodontic appliances were divided into two groups. The experimental group (n=10) used an oral irrigating device with manual toothbrushing, and the control group (n=10) used manual brushing only. Gingival index, bleeding index and plaque index were assessed at baseline (T1), 2 weeks (T2) and 4 weeks (T3). The experimental group demonstrated significant reduction in bleeding index from T1-T2 (p=0.0015), T2-T3 (p=0.0032), and T1-T3 (p=0.0000034), and a significant reduction in gingival index from T2-T3 (p=0.025). No significant changes in plaque index were measured. The control group experienced a significant change in bleeding index from T2-T3 (p=0.029), with no significant changes demonstrated for gingival index or plaque index. For this population of adult orthodontic patients, the use of an oral irrigating device for one month significantly reduced gingival bleeding by 53% and slightly decreased gingival inflammation by 14%, while no significant reduction in plaque was evident.