8Peres KG, De Oliveira Latorre Mdo R, Sheiham A, et al. Social and biological early life influences on the prevalence of open bite in Brazilian 6 -year-olds. Int J Paediatr Dent,2007,17 ( 1 ) :41-49.
9Fukuta O, Braham RL, Yokoi K, et al. Damage to the primary dentition resulting from thumb and finger (digit) sucking[J]. ASDC J Dent Child, 1996, 63(6):403-407.
10Sandler PJ, Madahar AK, Murray A. Anterior open bite: Aetiology and management[J]. Dent Update, 20ll, 38 (8) :522-524, 527-528, 531-532.