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Taji S, Seow WK. Aust Dent J 2010; 55: 358–367

As the enamel of the primary dentition is thinner and less mineralised than that of the permanent dentition, the deciduous dentition is more susceptible to dental erosion. The reported prevalence of tooth erosion in the primary dentition varies widely from ten percent to over eighty percent. This may be because different indices have been used to quantify erosion and, it is difficult to distinguish erosion from other forms of tooth wear. A systematic review is cited which reports that 23.4% of children with asthma have GORD compared with only 3.8% of children without asthma. However, the relationship between GORD per se and dental erosion in not as straightforward as some would suggest. Most papers report an association between dental erosion and extrinsic acids and between erosion and dental caries.