MOrth at a glance

A patient presented to your clinic complaining of her sensitive teeth. Upon examination you found wear at the cervical enamel areas. The patient mentioned that she brushes her teeth frequently over 5 times per day because she wants her teeth to be always clean & wonder why her teeth are still causing that pain. What is the possible problem with this patient?
a. Bulimia nervosa
b. Obsessive compulsive disorder
c. Anorexia nervosa
d. Body dysmorphic disorder
e. Self harming disorder

Stress/Strain curve for stainless steel

A 15 years old patient who has completed his orth ttt and was provided with fixed retainer , he is now presented to you with trauma to his upper anterior teeth leading to having his upper incisors mobile and intruded 2 mm in the segment , what would be your initial treatment ?
A) flexible splint then start orth ttt after 3 months
B) flexible splint then start orth ttt after 6 months
C) flexible splint then start orth ttt after 12 months
D) start orth ttt immediately
E) flexible splint only

Sectors classification for impacted canines by Ericsson & Kurol

A patient with overjet 12 mm , UI/MaxP is 125 , you will retract them to 100 degrees.
So what will happen to the overjet?
A) zero oj
B) normal oj
C) 1/3 of oj will be reduced
D) 1/4 of oj will be reduced
E) 1/2 of oj will be reduced

A nice scheme for indications of X ray for child patients less than 10 years old

Difference between Hemimandibular hyperplasia & Hemimandibilar elongation in diagnosis of asymmetry

Warning & Safety signs , one of the most common questions in the written part of M Orth exam

This is a computed tomography scan of 9 years old Asian female patient showing a bilateral synostosis of the coronal suture , a wide midline defect in the calvarium and maxillary hypoplasia .
What is the reason of these features?
1. Early childhood trauma
2. Apert syndrome due to FGFR2 mutation
3. Apert syndrome due to FGFR3 mutation
4. Crouzon's syndrome due to FGFR2 mutation
5. Down syndrome

How can you describe these dentofacial traits in the 3 rotational variables made by Ackerman,Proffit&Sarver?
Popular question in MOrth part a exam