Bhandari Ranu, Thakur Seema, Singhal Parul, Chauhan Deepak, Jayam Cheranjeevi, Jain Teerthesh
Department of Pedodontics, H.P. Government Dental College and Hospital, Shimla, Himachal Pradesh, India.
School of Dental Medicine, University of Colorado, Denver, Colorado, USA.
Contemp Clin Dent. 2019 Jan-Mar;10(1):9-15. doi: 10.4103/ccd.ccd_852_17.
Molar incisor hypomineralization (MIH) is an esthetic setback for the patient as well as for the dentist, treatment options for MIH includes minimally invasive techniques like microabrasion which has a limited literature of its effect. Furthermore, the effect of remineralizing such as casein phosphopeptide-amorphous calcium phosphate (CPP-ACP) agent on MIH-affected teeth is minimally studied.
Comparative evaluation of the esthetic after microabrasion and microabrasion followed by Tooth Mousse Plus on hypomineralized incisors of MIH-affected patients.
The study was a randomized clinical trial.
The study comprised Grade I MIH patients in the age strata of 7-16 years having lesions on incisors. As per inclusion criteria, 46 lesions were divided into two groups of microabrasion and microabrasion followed by CPP-amorphous calcium fluoride phosphate (ACFP). Photographs were obtained before treatment, just after treatment, and 6 months after treatment. The photographic evaluation was done using the CIE Lab* scoring method.
ANOVA and Tukey's test were applied to compare the difference in lightness ΔL and total color change ΔE of these two groups.
In microabrasion group, the overall change in ΔL of white tooth discoloration came -0.9 standard deviation (SD) 7.3. In microabrasion followed by CPP-ACFP group, statistically significant difference was found between both these groups with value of ≤ 0.001.
Microabrasion followed by the remineralizing agent can improve the esthetics of white tooth discoloration with time.
磨牙症性切牙低矿化（MIH）对患者和牙医来说都是一种美学上的挫折，MIH的治疗选择包括微磨除等微创技术，但其效果的相关文献有限。此外，酪蛋白磷酸肽 - 无定形磷酸钙（CPP - ACP）等再矿化剂对受MIH影响牙齿的作用研究极少。
比较微磨除以及微磨除后使用牙齿护理霜加强型（Tooth Mousse Plus）对MIH患者低矿化切牙美学效果的影响。
该研究为随机临床试验。
该研究纳入了年龄在7 - 16岁、切牙有病变的I级MIH患者。根据纳入标准，将46处病变分为微磨除组和微磨除后使用CPP - 无定形氟化磷酸钙（ACFP）组。在治疗前、治疗后即刻以及治疗后6个月拍摄照片。使用CIE Lab*评分法进行照片评估。
应用方差分析（ANOVA）和Tukey检验来比较两组的明度变化ΔL和总颜色变化ΔE的差异。
在微磨除组中，白色牙齿变色的ΔL总体变化为 -0.9标准差（SD）7.3。在微磨除后使用CPP - ACFP组中，两组之间发现有统计学显著差异，P值≤0.001。
微磨除后使用再矿化剂可随时间改善白色牙齿变色的美学效果。
