Effects of invisible orthodontics without brackets versus metal self-locking appliance on periodontal health of adult orthodontic patients
Objective To compare the influence of invisible orthodontics without brackets versus metal self-locking appliance on periodontal health of adult orthodontic patients.Methods A total of 200 patients who accepted orthodontic treatment in our hospital from January 2019 to December 2022 were selected,and they were assigned into two groups to receive the management of invisible orthodontics without brackets(n=100)and metal self-locking appliance(n=100),respectively.Plaque index(PI),gingival index(GI),sulcus bleeding index(SBI)and probing depth(PD)at different time points were measured.Aspartate transaminase(AST),alkaline phosphatase(ALP),interleukin-1β(IL-1β),interleukin-6(IL-6),tumor necrosis factor α(TNF-α)and receptor activator of nuclear factor-kappaB ligand(RANKL)in gingival crevicular fluid were compared.Results PI,GI and SBI of the two groups after treatment were significantly higher than those before treatment,which were significantly lower in patients receiving invisible orthodontics without brackets than those with metal self-locking appliance(P＜0.05).There was no significant difference in PD between the two groups before and after treatment(P＞0.05).AST,ALP,IL-1β,IL-6,TNF-α and RANKL in the gingival crevicular fluid significantly increased after orthodontic treatment of the two groups(P＜0.05),which in the invisible orthodontics without brackets group were significantly lower in the metal self-locking appliance group(P＜0.05).Conclusion Although both kinds of appliances have adverse effects on periodontal health of adult patients,invisible orthodontics without brackets is superior in higher periodontal health index,and lower levels of enzymes and inflammatory factors in gingival crevicular fluid.To sum up,invisible orthodontics without brackets is more beneficial to the periodontal health of adult orthodontic patients.
invisible alignersself-locking bracketsgingival crevicular fluidinflammatory factorsperiodontal health
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