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entails long wearing of orthodontic appliances, and often
removal of some teeth crowded out of the arches.
"Unfortunately, in many cases, mouth breathing still
continues after adenoid removal, as the habit has been set up,
causing gingivitis in the anterior part of the gums and consequent
likelihood of periodontal trouble early in life.
"Breathing exercises often help to break the mouth
breathing habit, and are a useful complement to dental treatment.
Radiography.
"Expansion of the dental service will be necessary after
the coming into force of the new Education Act, and it is to be
hoped that an X-ray unit will be installed in any new Centre
which may be built. X-ray diagnosis is very necessary in
dealing with orthodontic cases, and also in verifying clinical
examination of periodontal and apical conditions of the teeth,
when such come under suspicion. In cases of fractured incisors,
a common accident with children, it is necessary to find out
whether the root growth is complete, or whether the apices are
still wide open, and treat accordingly. Also cases are referred
for questions as to (1) presence or absence of unerupted teeth.
(2) The position of partly erupted teeth, particularly upper
canines and pre-molars. (3) Cases of impacted and unerupted
mandibular third molars.
"Usually small intra-oral films are sufficient, but occasionally
as in cases of misplaced lower wisdom teeth, a larger
plate may be necessary.
"At the present time, cases are referred by arrangement
with a radiographer—17 cases were X-rayed during the year".
OPHTHALMIC CLINIC.
The Ophthalmic Surgeon has again held three sessions weekly
at Lordship Lane Centre, where children are examined and treatment
given to those who do not receive their treatment at the Minor
Ailment Clinics. Particular efforts are made to provide early treatment
for squint, children under school age being referred from the
Infant Welfare and Toddler Clinics.