Alfa dental academy

02/01/2018

01/01/2018

নতুন বছরে নতুন উদ্যমে শুরু হক প্রস্তুতি
Ques 1. Alveolar bone is undergoing remodeling
A. through the primary dentition
B. until the end of mixed dentition
C. until the complete eruption of permanent teeth
D. throughout life

Answer: D. throughout life
Explanation: With out a tooth there is no
Alveolar bone. Alveolar bone holds the tooth in place. Through out life it continues to remodels as it needed. When orthodontic force is applied the alveolar bone goes through a process of remodeling to compensate for the movement of the tooth being moved by the appliance

Ques 2 .The maxillary incisor in Angle’s class II Division 2 malocclusion are in
A. linguoversion
B. labioversion
C. infraversion
D. supreversion
Answer A- linguoversion
Explanation: The incisors are inclined lingually.

01/01/2018

03/07/2017

SBQ
1. The smallest unit that scientists agree is alive is the _____.
Ans. Cell
2. Receptors in the cell's surface tend to be made of _____.
Ans. Protein
3. _____ are membrane junctions which contain hollow channels within them that allow ions to pass through from cell to cell.
Ans. Gap Junctions
4. Impaired blood circulation to the brain due to a blocked or broken vessel is known as a(n) _____, _____ or _____.
Ans. cerebrovascular accident; stroke; brain attack
5. In Huntington's Disease, damage to the caudate nucleus, one of the basal nuclei, caused by an abnormal protein leads to _____ and eventually to death.
Ans. chorea (or involuntary spastic
movements)

03/07/2017

Q. Atropine (which block muscarinic receptors) causes
a) Paralysis of accommodation for near vision in the eye
b) Constriction of pupil
c) Constriction of bronchi
d) Diarrhea
e) difficulty with micturition

Ans . T F F F T

21/05/2017

23/04/2017

3. Regarding enamel
a) 1 % organic component by volume
b) Has high tensile strength
c) Localized increase of Na and fluoride with ages
d) Individual enamel rod follow a straight course but initially follow a wavy course through one third of enamel
e) Diameter of the rod is smallest at DEJ
Ans : a , c & e

23/04/2017

4) Hypothyroidism is characterized by:
a) Constricted lower arch.
b) Short ramus and constricted maxillary arch.
c) Class III malocclusion and open bite.
d) B and c are true.
Ans : d

11/02/2017

Todays special topic for DDS preparation -
Pulp space anatomy and Endodontics

08/02/2017

Orthodontic tooth movement in an adolescent Is easier than an adult because of
A. difference in tissue/bone reaction
B. difference in growth
C. difference in cooperation
D. all of the above

Answer: D – all of the above

Explanation: Various factors must be given considerations, which
demand special consideration for adults.
1. Psychosocial factors-adults demand best treatment results in a short Period of time.
2.Perio-restorative problems
3.Age related considerations
Lack of growth potential
Aging of tissues
Vulnerability to Root resorption
Vulnerability to TMD