All children examined had 20 deciduous teeth in the mouth. The outcomes were: Overjet: Obtained by measuring ... it was considered open bite. Posterior crossbite: It was considered present when ...

18 and 30 months were also associated with overjet and open bite. The posterior crossbite was associated with bottle feeding at 12 and 30 months, and nocturnal mouth breathers at 12 and 18 months.