9Chen X,Xia B,Ge L.Effects of breast-feeding duration,bottlefeeding duration and non-nutritive sucking habits on the occlusal characteristics of primary dentition[J].BMC Pediatr,2015,15(1):46-54.
10Bernab6 E,Tsakos G, de Oliveira CM, et al. Impact o l daily performances attributed to malocclusions using the ct: -dition -specific feature of the oral impacts on daily perfor aances index[ J] .Angle Orthod ,2008,78(2) :241 - 247.