Transcript of "Orthodontic diagnosis ... Dr.Mohammed hassan "
deals with recognition of the various
characteristics of the malocclusion
A brief examination of the developing
occlusion should be carried out around 7-8
years to check presence of permanent teeth,
their position , and detect any problem may
be affected on normal eruption
1. Essential diagnostic aids
1. Case history
2. Clinical examination
3. Study models
4. Certain radiographs;
5. Facial photographs
1. Specialized radiographs ex:-
b-occlusal intra-oral films
3. Hand wrist radiographs.
4. Endocrine tests
5. Estimation of basal metabolic rate
for purpose of ….
c. psychological benefits
For purpose of …..
1. Age helps in diagnosis ,
treatment planning and growth
2. growth modification procedures
using functional and orthopaedic
appliances are carried out during
3. Age is more important factor in
orhtodontic treatment planning.
Dental or Orthodontic treatment include ….
1. Clift lip and palate .
2. Trimmed or extracted of natal
or neonatal teeth
Most important treatment in this
age include ….
1. Interceptive treatment
2. Treated of any premature contact
with functional shift or
3. Skeletal cl.III can be observed by
presence of ngative over-jet or
mandibular prognathism can be
treated at this age
The treatment include ….
1. Interceptive treatment .
2. Correction of cross-bite.
3. Serial extraction .
4. Skeletal cl.II due to maxilla .
5. Skeletal cl.III due to maxilla or
6. Checking of supernumerary
teeth by X-ray
This is best time for use of fixed appliance .
Also removable appliance can be used in this age .
This is important in the treatment planning, as
the timing of growth events such as growth spurts
is different in males and females.
Race of the patient is very important …
For negroid patient with bi-max. dntoalveolar
protrusion and lip competent no Orthodontic
treatment need .
Address and occupation helps in
evaluation of socio-economic
status of the patient and the
Also it can affected spring design
It should explore several related
1. The patient's motivation for
2. What he or she expects as a result
3. And how cooperative or
uncooperative the patient is likely
The patient’s chief compliant
should be recorded in his/ her
There are three logical reasons for
patient concern about the
alignment and ocllusion of the
1. Psychosocial problems
2. Impaired function
Patient with Epilepsy, History of
blood dyscrasias ,Diabetic
patient ,Rheumatic fever
,Cardiac anomalies … may
rquire special precaution .
patient should be ask bout y
drug used .
Patient should be ask about any
acute debilitating condition .
It includes information on the …
1. age of eruption of the deciduous
and permanent teeth.
2. history of extraction, decay,
restoration and trauma to
Helps in evaluation of patient and parent’s attitude
History of habits :-
history of any abnormal habits like thumb sucking ,
nails biting lip biting and mouth breathing should
be taken as they influence the development of
Skeletal Cl. II , Cl.III malocclusions and congenital
conditions such as clefts of lip & palate, crowding
1. information on the condition of the mother during
pregnancy and the type of delivery.
2. Drugs like thalidomide or affectation with some infection
during pregnancy like german measles can results in
congenital deformities of child.
It include ….
1. the type of feeding,
2. presence of habits
3. and on the milestones of normal development
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