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252
(a) Abnormality in position of individual teeth:—
Number of cases treated or undergoing treatment
with the following defects :—
Laibioversion 11
Mesioversion 2
Linguoversion 67
Infraversion 9
Supraversion 5
Torsoversion 10
Distoversion 2
Total 106
(b) Abnormal relationship of the upper and lower arches.
(c) Developmental defects of the jaws.
Under these two headings are included treatments for
the following conditions:—
Superior protrusion.
Inferior retrusion.
Open bite.
Close bite.
General overcrowding.
Narrow arches requiring expansion.
Number of cases treated or undergoing treatment
with the above defects 124
Summary of Treatment Cases Since Scheme Started.
Number of cases completed 50
Number of cases undergoing treatment 177
Number of fixed appliances inserted during the
year 24
Number of removable appliances 158
The smallness of the number of completed cases is due to so
many new ones having been started during the year.
Orthodontia is definitely a preventive measure, and no dental
scheme can be considered in any way complete unless some provision
is made for the treatment of irregularities of the jaws and
teeth.