Abstract
Abstract The aim of this study was investigate`s patient and parent’s aesthetic perception and psychological impact of molar-incisor hypomineralisation (MIH) and to assess the correlation of MIH with caries experience. The sample comprised 56 children, 28 with MIH and 28 without MIH (comparison group), and their gardens (n=56). For the perception data we used the Child and Parent’s Questionnaire of Teeth Appearance. We used the European Academic of Paediatric Dentistry (EAPD) criteria to define MIH. Caries experience was assessed by Decayed, Missing and Filled Teeth (DMFT) index. Chi-square, Student’s t-test and correlation tests were used with significance level set at 5%. Most children were male (n=35; 62.5%) and patients with MIH perceived their affected teeth as stainned (p=0.01). MIH was considered by parents (6.96±1.7) to enhance psychosocial condition (social, physical, and psychological social) of their children (p<0.01). Patients with severe MIH showed the worst perception about the color of the teeth (p=0.07). There was no correlation between DMFT scores and presence of MIH (p=0.80). Patients and parents perceived MIH. Groups with severe MIH (children/ parents) showed the worse aesthetic perception.
Highlights
Molar incisor hypomineralisation (MIH) is defined as a qualitative enamel defect that occurs during amelogenesis [1,2]
In the MIH parent group, a worse perception (6.96±1.7) than the one in the comparison group (6.50±2.9) was seen, which was statistically significant with regards to staining perception of teeth and to opinion about oral health (p=0.01 and p=0.03, respectively) (Table 2)
This study demonstrated that children and their parents had the knowledge about the existence of the MIH, in which may affected their quality of life, supposing that color alteration can influence the negative perception in the patient
Summary
Molar incisor hypomineralisation (MIH) is defined as a qualitative enamel defect that occurs during amelogenesis [1,2]. Its aetiology has been linked to both environmental factors (disturbances during pregnancy, severe infections, frequent use of antibiotics in childhood) and genetic factors (genetic variations in TUFT1, TUFT11, AMELX and ENAM) [3, 4,5,6] The prevalence of this condition varies considerably in different parts of the world ranging from 2.4 to 40% in Europe [7,8] and from 12.3% to 40.2% in Brazil [9,10]. One of the main characteristics of MIH is enamel porosity and discoloration, which may vary from white to yellowish and brown [11]. It usually affects one or more permanent molars and/ or may the permanent incisors [10,12]. There are few literature reports on the social impact of MIH, especially in cases of changes in color and dental caries susceptibility [14, 15, 16]
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