AIIMS MDS May Questions And Answers

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during your cleaning and shaping procedure, files kept in cleansing agent

a) 15 sec. In glass bead

b) 30 sec. In glass bead

c) sodium hypochlorite

d) chlorhexidine

GIC binds to tooth via

(a)polycarboxyl groups

(b)carboxyl groups

(c)metal ions

hyaline zone is

(a)cell free zone Hist. similar to hyaline appearance

(b)change to hyaline catilage

(c)lamina dura converts into hyaline cartilage

(d)periodontal ligament changes to hyaline cartilage

in ortho wire -

(a)F=D4/L3

(b)f= d1/;i

(c)f=d8/l8

(d)

nerve tissue growth completes in

(a)6-7yrs

(b)10-12yrs

(c)14-16yrs

(d)18yrs

ulner sesamoid bone calcification starts in

(a)puberty

(b)prepubertal growth spurt

(c)birth

(d)3 months after birth

TMJ ankylosis - most common cause

(a)infection

(b)trauma

(c)hereditary

(d)idiopathic

nerve supply of buccinator

(a)V

(b)VII

(c)IX

(d)XII

disposal of yellow bag material in hospital

(a)burial

(b)autoclave

(c)incineration


basal cell CA commonly in -

(a)upper 3rd face

(b)middle 3rd face

(c)lower 3rd face

(d)lower lip

plaque forms after brushing

(a)in few mins

(b)1/2-2 hrs

(c)3-4 hrs

(d)6 hrs

polishing with

(a)silicon carbide

(b)27um alumina

(c)50um alumina

(d)sodium bicarbonate

periodontometer checks

(a)mobility

(b)furcation

(c)pocket

(d)

most common -

(a)cleft lip

(b)a+cleft alveolus

(c)b+cleft palate unilateral

(d)b+cleft palate bilatral

last resort for anaesthesia

a intraligamentary

b intrapulpal

c supraperiosteal

d gowe gates

interdental col :

A.is covered with NON keratinized

B.harbours bacteria

C.difficult to clean

D. All

ground substance breakdown in pdl caused by enzyme

a collagenase

b hyaluronidase

Dental flossa

a.Type 1 embrasure

b Type 2

c Type 3

d All

neonatal teeth are

a present @ birth

b present 180 days aftr birth

c within 45 days of birth d

d. within 30 days of birth

unknown abnormal sensation is:

a) dysaethesia

b) anesthesia dolorosa

c) alodynia

d)causelsia

most accepted theory of dentinal pain

a.hydrodynamic

b.gates control and vibration theory