This study is to measure over time (from 3 years until 13 years of age) Eustachian tube function (the way the Eustachian tube works) and facial growth in groups of children with two types of middle-ear disease and with little past middle-ear disease. These measures will be used to determine if facial growth is related to improved Eustachian tube function, to see if the better function explains why young children who have middle-ear disease outgrow it as they get older, and to determine if these measures are different for the children in the three groups defined by disease history.
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change in Eustachian tube function
Timeframe: 5 years