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277
Muscle Exercises.
The types of cases which benefit considerably by muscle
training are in posterior occlusion Division 1, and in irregularities
produced by thumb sucking. Malocclusion in these cases is
associated with mouth breathing. With the aid of appliances
we are able to correct the deformities, but muscle exercises are
needed to re-tone the muscles and restore their suppleness, so
that nasal breathing may result.
Review of Work Done.
During the year 42 sessions were devoted to orthodontic
treatment, and 410 routine attendances were made. Extra verbal
appointments seen after routine sessions totalled 889.
The number of cases treated by extraction was 39, which
shows that 20 per cent. of the cases referred for malocclusion were
treated without the aid of appliances. The number of permanent
teeth extracted to relieve overcrowding was 60, which is an
average of 1.5 permanent teeth extracted per child.
Fixed appliances were fitted in 15 cases and 169 removable
appliances were inserted. Several cases were referred for X-ray,
which included three cases of torsoversion and four cases for
diagnosis of the presence or absence of supernumerary teeth.
Sir George Newman states in the Report of the Health of
the School Child, 1932, that the treatment of irregularities is of
value provided that a proper perspective is maintained. Two
dental surgeons devote part of a session on Monday mornings,
from 10.30 to 12 noon, to the work, which may be reasonably
said to be a proper proportion, having regard to the amount and
urgency of the routine dental work.
EAR CLINIC.
In previous reports this Clinic has been called the Ionization
Clinic, but in the process of time, the scope of the Clinic has
extended, and actual ionization is now only a part of its function.
Any children complaining of ear symptoms are now referred to
this Clinic.
1933. 1932.
Number of Sessions held 39 35
Number of first attendances 100 79
Number of re-attendances 286 273