Aesthetic Effect of Different Materials in the Repair Treatment of Wedge-shaped Defect of Tooth Neck and Its Influence on Micro-leakage
Objective To explore the aesthetic effect of different materials in the repair treatment of wedge-shaped defect of tooth neck and its influence on micro-leakage.Methods The clinical data of 80 patients(80 affected teeth)who received treatment in the hospital from September 2021 to September 2022 were retrospectively analyzed,and the patients were divided into 39 cases(39 affected teeth)in glass ionomer group(Fuji Ⅱ glass ionomer)and 41 cases(41 affected teeth)in flowable resin group(Z350XT flowable resin)according to different repair materials.After 3 month of repair,the repair effect and micro-leakage in the two groups were analyzed.The aesthetic effect(pink aesthetic index,white aesthetic index),periodontal health[sulcus bleeding index,probing depth,alkaline phosphatase(ALP),aspartate aminotransferase(AST)]and inflammatory factors[interleukin-1β(IL-1β),interleukin-6(IL-6),matrix metalloproteinase-2(MMP-2)]were compared between the two groups before repair and after 3 month of repair.Results After 3 month of repair,there were no statistical differences in repair effect and aesthetic effect between the two groups(P＞0.05).The micro-leakage degree in flowable resin group was milder than that in glass ionomer group(P＜0.05).The sulcus bleeding index and probing depth in both groups were reduced compared with those before repair,and the sulcus bleeding index and probing depth in glass ionomer group were lower than those in flowable resin group(P＜0.05).The levels of ALP and AST in both groups were enhanced compared with those before repair,and the levels were higher in flowable resin group than those in glass ionomer group(P＜0.05).The levels of IL-1β,IL-6 and MMP-2 were increased in both groups compared to before repair,and the levels in flowable resin group were higher than those in glass ionomer group(P＜0.05).Conclusion Z350XT flowable resin and Fuji Ⅱ glass ionomer have the same repair effect and aesthetic effect on wedge-shaped defect of tooth neck,but Z350XT flowable resin repair has milder micro-leakage,and Fuji Ⅱ glass ionomer has healthier periodontal condition and milder gingival crevicular inflammatpry response.
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