DENTAL- PAGE 5
DENTAL MCQs- PAGE 5
1. Lister was successful in reducing the number of wounded infections by prophylactic application of an antiseptic to the wound
(A) Hydrogen Peroxide (B) Chlorhexidine (C) Carbolic acid (D) None of the above
Ans: C
2. “Dane Particle” is associated with
(A) Hepatitis-A (B) Hepatitis-C (C) Hepatitis-E (D) None of the above
Ans: D
3. Which of the following readily available observable human phenomenon is the focus of demography?
(A) Change in population size (B) Composition of population
(C) The distribution of population in space (D) All of the above
Ans: D
4. Which of the following stage of Demographic cycle is high stationary?
(A) Fourth Stage (B) Third Stage (C) First Stage (D) Fifth Stage
Ans: C
5. Vital Statistics includes
(A) Gender (B) Density (C) Dependency Ratio (D) Life expectancy at birth
Ans: D
6. Sugar and Jaggery has how much protein (gm/100gm) of
(A) 0.2-0.4 (B) 2-4 (C) 3.2-4.3 (D) None of the above
Ans: D
7. A glycaemic index of “48” falls under which category
(A) Low glycaemic Index (B) Medium glycaemic Index (C) High glycaemic Index (D) Ultra High glycaemic Index
Ans: A
8. Which of the following is water soluble Vitamin
(A) Vitamin-A (B) Vitamin-D (C) Vitamin-C (D) Vitamin-E
Ans: C
9. Pellagra is characterized by
(A) Diarrhea (B) Dementia (C) Dermatitis (D) All of the above
Ans: D
10. Protein Supply energy at the rate
(A) 4 K Cal/g (B) 2 K Cal/g (C) 9 Kcal/g (D) None of the above
Ans: A
11. Which of the following is immediate somatic biological effect of radiation
(A) Shortening of Life (B) Leukemia (C) Radiation Sickness (D) Fatal developmental abnormalities
Ans: C
12. Delayed Eruption of teeth occurs in
(A) Craniofacial Dysostosis (B) Hyperthyroidism (C) Cleidocranial Dysostosis (D) Osteitis Deformans
Ans: C
13. Thin leaf like structures that extend from enamel surface into DEJ are
(A) Enamel Spindles (B) Enamel Tufts (C) Enamel lamella (D) Perikymata
Ans: C
14. The pain transmission through dentin is
(A) Direct neural stimulation (B) Fluid or hydrodynamic theory
(C) Transduction theory (D) All of the above
Ans: D
15. Number of pulp organs in a person is
(A) 32 (B) 62 (C) 52 (D) 38
Ans: C
16. Remnants of Hertwig Epithelial Root Sheath are found in
(A) Periodontal Ligament (B) Cementum (C) Alveolar Bone (D) Gingiva
Ans: A
17:-Tripoding the cast is done for
A:-Reorientation of the cast to surveyor B:-Reorientation of the cast to articulator
C:-Recording the undercut area of the cast D:-Recording the undercut area of the teeth
Ans: A
18:-Zinc oxide-eugenol impression material sets by
A:-Exothermic reaction
B:-Syneresis
C:-Chelation
D:-Imbibition
Ans: C
19:-Which of the following is known as Model cement?
A:-Beading wax B:-Boxing wax C:-Sticky wax D:-Modelling wax
Ans: C
20:-The most dimensionally accurate impression material is
A:-Agar B:-Polysulfide C:-Polyether D:-Addition silicone
Ans: D
21:-The term "Green shrinkage" is related to
A:-Firing of Porcelain B:-Investments C:-Shrinkage of acrylicresin D:-Alginate Ans: B
22:-Balanced stone refers to
A:-Dental stone B:-Impression compound C:-Resin incorporated gypsum product D:-Product containing equal amount of accelerator and retarder
Ans: D
23:-The distance between maxillary major connector and gingival margin is
A:-6 mm B:-3 mm C:-8 mm D:-4 mm
Ans: A
24:-The minimum thickness of base of the cast at its thinnest portion should be
A:-7 mm B:-10 mm C:-14 mm D:-16 mm
Ans: B
25:-The most important factor in the arrangement of teeth is
A:-Mold B:-Leverage C:-Occlusion D:-Compensating curve
Ans: C
26:-The most difficult tooth to set in a complete denture patient is
A:-Maxillary canine B:-Maxillary 1st Premolar C:-Maxillary central incisor D:-Mandibular canine
Ans: C
27:-The pontic given in esthetic zone is
A:-Ovate B:-Saddle C:-Hygienic D:-Modified ridge lap
Ans: A
28:-A refractory die is made from
A:-Primary impression B:-Secondary impression
C:-Duplicating the master die D:-Duplicating the primary die
Ans: C
29:-Porcelain bond to the alloy primarily by
A:-Chemical bond B:-Mechanical bond C:-Vander wall bond D:-Micromechanical bond
Ans: A
30:-Which of the following material is not desirable for making refractory cast from final cast of RPD?
A:-Agar B:-Alginate C:-Silicone D:-Polyether
Ans: D
31:-Permanent tooth with least mesio-distal dimension is
A:-Maxillary central incisor B:-Maxillary lateral incisor C:-Mandibular central incisor D:-Mandibular lateral incisor
Ans: C
32:-Which among these is used for designing cast partial denture?
A:-Bite wax B:-Base plate wax C:-Casting wax D:-Sticky wax
Ans: B
33:-Buffing wheels are used in
A:-Grinding process B:-Cutting process C:-Finishing process D:-Polishing process
Ans: D
34:-The projection of maxillary anterior teeth beyond their antagonists in a horizontal plane is referred to as
A:-Cuspal inclination B:-Over jet C:-Over bite D:-Centric occlusion
Ans: B
35:-Rouge is used in polishing
A:-Titanium B:-Acrylic C:-Zirconium D:-Gold
Ans: D
36:-The use of Chromium in Cobalt - Chromium alloy is
A:-Improving biocompatability B:-Decrease the hardness C:-Corrosion resistance D:-Increase castability
Ans: C
37:-Which of the following fuel gas is better for soldering?
A:-Natural gas B:-Butane C:-Propane D:-Acetylene
Ans: C
38:-The hardest structure in human body is
A:-Enamel B:-Dentin C:-Bone D:-Periodontal ligament
Ans: A
39:-Which among the following is a most commonly used provisional restoration?
A:-Poly carbonate crowns B:-Acrylic crowns C:-Cellulose acetate crowns D:-Preformed stainless steel crowns
Ans: B
40:-The most common tilt employed during surveying is
A:-Anterior tilt B:-Posterior tilt C:-Zero tilt D:-Lateral tilt
Ans: C
41:-Proximal plate employed in RPD is
A:-Direct retainer B:-Indirect retainer C:-Minor connector D:-Major connector
Ans: C
42:- I bar engages
A:-Mesiobuccal undercut B:-Distobuccal undercut C:-Mesial undercut D:-Distal undercut
Ans: B
43:-Swing lock partial denture is a modification of
A:-Labial bar B:-Lingual bar C:-Palatal bar D:-Linguoplate
Ans: A
44:-Christensen's Phenomenon is associated with
A:-Complete dentures B:-RPD C:-FPD D:-Implant dentures
Ans: A
45:-All of the following are components of pontic except
A:-Facing B:-Solder joint C:-Backing D:-Connector
Ans: D
46:-Frankel's appliance is a
A:-Space maintainer B:-Habit breaking appliance C:-Myofunctional appliance D:-Retainer
Ans: C
47:-The angle the rest makes with the minor connector should be
A:-90° B:-Greater than 90° C:-180° D:-Less than 90°
Ans: D
48:-The filler incorporated in a impression material imparts
A:-Strength B:-Plasticity C:-Flow D:-Elasticity
Ans: A
49:-The most durable maxillofacial prosthetic material is
A:-Polyurethanes B:-Epiamines C:-Silicones D:-Polyvinyl chloride
Ans: C
50:-The maximum intercuspation of teeth is
A:-Centric relation B:-Centric occlusion C:-Occlusion D:-Vertical dimension
Ans: B
(A) Hydrogen Peroxide (B) Chlorhexidine (C) Carbolic acid (D) None of the above
Ans: C
2. “Dane Particle” is associated with
(A) Hepatitis-A (B) Hepatitis-C (C) Hepatitis-E (D) None of the above
Ans: D
3. Which of the following readily available observable human phenomenon is the focus of demography?
(A) Change in population size (B) Composition of population
(C) The distribution of population in space (D) All of the above
Ans: D
4. Which of the following stage of Demographic cycle is high stationary?
(A) Fourth Stage (B) Third Stage (C) First Stage (D) Fifth Stage
Ans: C
5. Vital Statistics includes
(A) Gender (B) Density (C) Dependency Ratio (D) Life expectancy at birth
Ans: D
6. Sugar and Jaggery has how much protein (gm/100gm) of
(A) 0.2-0.4 (B) 2-4 (C) 3.2-4.3 (D) None of the above
Ans: D
7. A glycaemic index of “48” falls under which category
(A) Low glycaemic Index (B) Medium glycaemic Index (C) High glycaemic Index (D) Ultra High glycaemic Index
Ans: A
8. Which of the following is water soluble Vitamin
(A) Vitamin-A (B) Vitamin-D (C) Vitamin-C (D) Vitamin-E
Ans: C
9. Pellagra is characterized by
(A) Diarrhea (B) Dementia (C) Dermatitis (D) All of the above
Ans: D
10. Protein Supply energy at the rate
(A) 4 K Cal/g (B) 2 K Cal/g (C) 9 Kcal/g (D) None of the above
Ans: A
11. Which of the following is immediate somatic biological effect of radiation
(A) Shortening of Life (B) Leukemia (C) Radiation Sickness (D) Fatal developmental abnormalities
Ans: C
12. Delayed Eruption of teeth occurs in
(A) Craniofacial Dysostosis (B) Hyperthyroidism (C) Cleidocranial Dysostosis (D) Osteitis Deformans
Ans: C
13. Thin leaf like structures that extend from enamel surface into DEJ are
(A) Enamel Spindles (B) Enamel Tufts (C) Enamel lamella (D) Perikymata
Ans: C
14. The pain transmission through dentin is
(A) Direct neural stimulation (B) Fluid or hydrodynamic theory
(C) Transduction theory (D) All of the above
Ans: D
15. Number of pulp organs in a person is
(A) 32 (B) 62 (C) 52 (D) 38
Ans: C
16. Remnants of Hertwig Epithelial Root Sheath are found in
(A) Periodontal Ligament (B) Cementum (C) Alveolar Bone (D) Gingiva
Ans: A
17:-Tripoding the cast is done for
A:-Reorientation of the cast to surveyor B:-Reorientation of the cast to articulator
C:-Recording the undercut area of the cast D:-Recording the undercut area of the teeth
Ans: A
18:-Zinc oxide-eugenol impression material sets by
A:-Exothermic reaction
B:-Syneresis
C:-Chelation
D:-Imbibition
Ans: C
19:-Which of the following is known as Model cement?
A:-Beading wax B:-Boxing wax C:-Sticky wax D:-Modelling wax
Ans: C
20:-The most dimensionally accurate impression material is
A:-Agar B:-Polysulfide C:-Polyether D:-Addition silicone
Ans: D
21:-The term "Green shrinkage" is related to
A:-Firing of Porcelain B:-Investments C:-Shrinkage of acrylicresin D:-Alginate Ans: B
22:-Balanced stone refers to
A:-Dental stone B:-Impression compound C:-Resin incorporated gypsum product D:-Product containing equal amount of accelerator and retarder
Ans: D
23:-The distance between maxillary major connector and gingival margin is
A:-6 mm B:-3 mm C:-8 mm D:-4 mm
Ans: A
24:-The minimum thickness of base of the cast at its thinnest portion should be
A:-7 mm B:-10 mm C:-14 mm D:-16 mm
Ans: B
25:-The most important factor in the arrangement of teeth is
A:-Mold B:-Leverage C:-Occlusion D:-Compensating curve
Ans: C
26:-The most difficult tooth to set in a complete denture patient is
A:-Maxillary canine B:-Maxillary 1st Premolar C:-Maxillary central incisor D:-Mandibular canine
Ans: C
27:-The pontic given in esthetic zone is
A:-Ovate B:-Saddle C:-Hygienic D:-Modified ridge lap
Ans: A
28:-A refractory die is made from
A:-Primary impression B:-Secondary impression
C:-Duplicating the master die D:-Duplicating the primary die
Ans: C
29:-Porcelain bond to the alloy primarily by
A:-Chemical bond B:-Mechanical bond C:-Vander wall bond D:-Micromechanical bond
Ans: A
30:-Which of the following material is not desirable for making refractory cast from final cast of RPD?
A:-Agar B:-Alginate C:-Silicone D:-Polyether
Ans: D
31:-Permanent tooth with least mesio-distal dimension is
A:-Maxillary central incisor B:-Maxillary lateral incisor C:-Mandibular central incisor D:-Mandibular lateral incisor
Ans: C
32:-Which among these is used for designing cast partial denture?
A:-Bite wax B:-Base plate wax C:-Casting wax D:-Sticky wax
Ans: B
33:-Buffing wheels are used in
A:-Grinding process B:-Cutting process C:-Finishing process D:-Polishing process
Ans: D
34:-The projection of maxillary anterior teeth beyond their antagonists in a horizontal plane is referred to as
A:-Cuspal inclination B:-Over jet C:-Over bite D:-Centric occlusion
Ans: B
35:-Rouge is used in polishing
A:-Titanium B:-Acrylic C:-Zirconium D:-Gold
Ans: D
36:-The use of Chromium in Cobalt - Chromium alloy is
A:-Improving biocompatability B:-Decrease the hardness C:-Corrosion resistance D:-Increase castability
Ans: C
37:-Which of the following fuel gas is better for soldering?
A:-Natural gas B:-Butane C:-Propane D:-Acetylene
Ans: C
38:-The hardest structure in human body is
A:-Enamel B:-Dentin C:-Bone D:-Periodontal ligament
Ans: A
39:-Which among the following is a most commonly used provisional restoration?
A:-Poly carbonate crowns B:-Acrylic crowns C:-Cellulose acetate crowns D:-Preformed stainless steel crowns
Ans: B
40:-The most common tilt employed during surveying is
A:-Anterior tilt B:-Posterior tilt C:-Zero tilt D:-Lateral tilt
Ans: C
41:-Proximal plate employed in RPD is
A:-Direct retainer B:-Indirect retainer C:-Minor connector D:-Major connector
Ans: C
42:- I bar engages
A:-Mesiobuccal undercut B:-Distobuccal undercut C:-Mesial undercut D:-Distal undercut
Ans: B
43:-Swing lock partial denture is a modification of
A:-Labial bar B:-Lingual bar C:-Palatal bar D:-Linguoplate
Ans: A
44:-Christensen's Phenomenon is associated with
A:-Complete dentures B:-RPD C:-FPD D:-Implant dentures
Ans: A
45:-All of the following are components of pontic except
A:-Facing B:-Solder joint C:-Backing D:-Connector
Ans: D
46:-Frankel's appliance is a
A:-Space maintainer B:-Habit breaking appliance C:-Myofunctional appliance D:-Retainer
Ans: C
47:-The angle the rest makes with the minor connector should be
A:-90° B:-Greater than 90° C:-180° D:-Less than 90°
Ans: D
48:-The filler incorporated in a impression material imparts
A:-Strength B:-Plasticity C:-Flow D:-Elasticity
Ans: A
49:-The most durable maxillofacial prosthetic material is
A:-Polyurethanes B:-Epiamines C:-Silicones D:-Polyvinyl chloride
Ans: C
50:-The maximum intercuspation of teeth is
A:-Centric relation B:-Centric occlusion C:-Occlusion D:-Vertical dimension
Ans: B
51:-Die spacer should provide space of
A:-0.1 microns B:-0.25 microns C:-0.35 microns D:-0.5 microns
Ans: B
52:-Wires preferred for leveling and alignment
A:-Rectangular B:-Round C:-Triangular D:-Elliptical
Ans: C
53:-In blocking out the master cast during surveying, which one of the following is not a blockout?
A:-Paralleled blockout B:-Shaped blockout C:-Arbitrary blockout D:-Round blockout
Ans: D
54:-The function of minor connector in a clasp assembly is
A:-Retention B:-Stabilization C:-Support D:-All of the above
Ans: D
55:-Which of the following cements possesses anticariogenic property?
A:-Polycarboxylate B:-Glassionomer C:-Zinc Phosphate D:-Zn O Eugenol
Ans: B
56:-What must be added to steel in order to render it stainless?
A:-Chromium oxide 3-20% B:-Carbon < 1.2% C:-Chromium 12-30% D:-Fluoride 2-3%
Ans: C
57:-White gold alloys contain
A:-Platinum B:-Palladium C:-Ruthenium D:-Beryllium
Ans: B
58:-The activator used in visible light curing system is
A:-Ubiquinone B:-Hydroquinone C:-Benzoyl peroxide D:-Camphoroquinone
Ans: D
59:-Shape memory is exhibited by
A:-Nickel-Titanium alloy B:-Beta Titanium alloy C:-Cobalt-Chromium alloy D:-Nickel-Chromium alloy
Ans: A
60:-Most common drawback of amalgam restoration is
A:-Secondary expansion B:-Porosity C:-Marginal breakdown D:-Contraction on setting
Ans: A
61:-In complete denture patients,
A:-Centric relation coincides with centric occlusion B:-Centric occlusion is anterior to centric relation
C:-Centric occlusion is posterior to centric relation D:-Centric relation is independent of centric occlusion
Ans: A
62:-Black casting results due to
A:-Contamination with sulphur B:-Contamination with lead C:-Contamination with Arsenic D:-Contamination with Hydrogen Ans: A
63:-Beading provides
A:-Impression area of cast B:-Land area of cast C:-Art part of the cast D:-Base of the cast
Ans: B
64:-The corner stone of maxillary dental arch is
A:-Maxillary central incisor B:-Maxillary canine C:-Maxillary first premolar D:-Maxillary lateral incisor
Ans: B
65:-The mean value articulator is based on which theory of occlusion?
A:-Bonwill's theory B:-Spherical theory C:-Conical theory D:-Lingualised occlusion
Ans: A
66:-The process of applying a thin mix of dental stone which is painted over the wax surface and denture teeth is
A:-Stippling B:-Festooning C:-Coring D:-Indexing
Ans: C
67:-The curve located antero posteriorly in a complete denture is
A:-Curve of Spee B:-Pleasure curve C:-Monson curve D:-Curve of Wilson
Ans: A
68:-Hawley's appliance is used in orthodontics for
A:-Relapse B:-Retention C:-Anchorage D:-Reciprocation
Ans: B
69:-The choice of pontic in mandibular posterior region is
A:-Ridge lap B:-Ovate C:-Sanitary D:-Saddle
Ans: C
70:-Screw gag is indicated for patients having
A:-Trismus B:-Fracture of facial skeleton C:-Cleft palate D:-Cheloid
Ans: A
71:-An obturator is indicated for patients having
A:-Irradiation B:-Trauma C:-Cleft palate D:-Deviation of mandible
Ans: C
72:-A combination clasp consists of
A:-Cast retentive arm and wrought reciprocal arm B:-Cast reciprocal arm and wrought retentive arm C:-Basemetal reciprocal arm and gold retentive arm D:-Bar clasp and circumferential clasp
Ans: B
73:-Reinforcing shellac or acrylic with orthodontic wires increases
A:-Ductility B:-Malleability C:-Strength D:-Resiliency
Ans: C
74:-The simultaneous contact of all teeth both in centric as well as eccentric relation and in right and left and anterior and posterior occlusal areas is referred to as
A:-Monoplane occlusion B:-Centric occlusion C:-Stability D:-Balanced occlusion
Ans: D
75:-The term Pindex is related to
A:-Devesting B:-Ceramic system C:-Die system D:-Articulator
Ans: C
76:-The most commonly used separating media is
A:-Sodium alginate B:-Potato starch C:-Slurry water D:-Gum arabic
Ans: A
77:-Muscles of mastication include all except
A:-Massetter B:-Temporalis
C:-Lateral Pterygoid D:-Platysma
Ans: D
78:-Heat cure acrylic is packed in
A:-Wet and sandy stage B:-Rubbery stage C:-Dough stage D:-Stiff stage
Ans: C
79:-The process of resurfacing the tissue surface of the denture base is
A:-Tissue conditioning B:-Relining C:-Rebasing D:-Remounting
Ans: B
80:-The distance between the incisive papilla and the central incisors in teeth arrangement should be
A:-16 mm B:-18 mm C:-6-8 mm D:-10-12 mm
Ans: C
81:-The letters M and S in the teeth set indicate
A:-Mold and size B:-Mold and shape C:-Mold and shade D:-Mold and square Ans: C
82:-The cusp of Carabelli is found on
A:-Maxillary first molar B:-Maxillary 2nd molar C:-Mandibular 1st molar D:-Mandibular 2nd molar
Ans: A
83:-The mesial developmental groove or mesial developmental depression is found in
A:-Maxillary 2nd Premolar B:-Maxillary 1st premolar C:-Maxillary 2nd molar D:-Canine
Ans: B
84:-The oblique ridge found in maxillary first molar connects
A:-Mesiolingual and distobuccal cusps B:-Mesiobuccal and distolingual cusps
C:-Mesiolingual and distolingual cusps D:-Mesiobuccal and distobuccal cusps
Ans: A
85:-Labial bow is used in
A:-Retraction B:-Tipping C:-Intrusion D:-Expansion
Ans: A
86:-The ability of the material to be drawn into thin wires is called
A:-Malleability B:-Ductility C:-Toughness D:-Resilience
Ans: B
87:-Posterior Palatal seal area aids in
A:-Retention of denture
B:-Stability of denture
C:-Support of denture
D:-Preservation of alveolar ridge
Ans: A
88:-The apparent force of attraction existing between two dissimilar bodies in close contact is
A:-Adhesion B:-Cohesion C:-Capillarity D:-Viscosity
Ans: A
89:-The refractory material used in investment is
A:-Silica B:-Carbon C:-Boron D:-Gypsum
Ans: A
90:-Antiflux used during soldering is
A:-Borax B:-Fluoride C:-Graphite D:-Silica
Ans: C
91:-Ditching should be done in dies
A:-0.5 mm short of finish line B:-0.5 mm beyond finish line C:-1.3 mm short of finish line D:-1.5 mm beyond finish line
Ans: A
92:-The technique of acrylisation employed routinely in dental practice is known as
A:-Injection molding technique B:-Compression molding technique C:-Fluid resin technique D:-Visible light curing technique
Ans: B
93:-Coffin spring is employed for
A:-Buccal movement of canines B:-Proclination of upper anterior teeth
C:-Expansion of maxillary arch D:-Distalisation of canine
Ans: C
94:-Anterior inclined plane or upper inclined plane is used in correction of
A:-Proclination of anterior teeth B:-Retroclination of lower anterior teeth
C:-Splinting of upper anterior teeth D:-Tongue thrusting
Ans: B
95:-The zone of flame that is used in casting process is
A:-Dark zone B:-Combustion zone C:-Reducing zone D:-Oxidising zone
Ans: C
96:-The sprue length and thickness used in casting should be
A:-Short and thin B:-Long and thick C:-Long and thin D:-Short and thick
Ans: D
97:-Chamfer finish line is employed in fixed partial denture for
A:-Porcelain crown B:-Metal crown C:-Zirconia crown D:-CAD CAM crown
Ans: B
98:-The anchorage in which the resistance of one or more dental units is utilized to move one or more opposing dental units
A:-Simple anchorage
B:-Stationary anchorage
C:-Reciprocal anchorage
D:-Intra oral anchorage
Ans: C
99:-The world's first dental hygienist was
A:-Alfred C Fones
B:-Irene Newman
C:-J.M.Eager
D:-Issac Binton
Ans: B
100:-According to DMFS index proposed in 1938, the total number of surfaces examined are
A:-128
B:-132
C:-138
D:-148
Ans: A
A:-0.1 microns B:-0.25 microns C:-0.35 microns D:-0.5 microns
Ans: B
52:-Wires preferred for leveling and alignment
A:-Rectangular B:-Round C:-Triangular D:-Elliptical
Ans: C
53:-In blocking out the master cast during surveying, which one of the following is not a blockout?
A:-Paralleled blockout B:-Shaped blockout C:-Arbitrary blockout D:-Round blockout
Ans: D
54:-The function of minor connector in a clasp assembly is
A:-Retention B:-Stabilization C:-Support D:-All of the above
Ans: D
55:-Which of the following cements possesses anticariogenic property?
A:-Polycarboxylate B:-Glassionomer C:-Zinc Phosphate D:-Zn O Eugenol
Ans: B
56:-What must be added to steel in order to render it stainless?
A:-Chromium oxide 3-20% B:-Carbon < 1.2% C:-Chromium 12-30% D:-Fluoride 2-3%
Ans: C
57:-White gold alloys contain
A:-Platinum B:-Palladium C:-Ruthenium D:-Beryllium
Ans: B
58:-The activator used in visible light curing system is
A:-Ubiquinone B:-Hydroquinone C:-Benzoyl peroxide D:-Camphoroquinone
Ans: D
59:-Shape memory is exhibited by
A:-Nickel-Titanium alloy B:-Beta Titanium alloy C:-Cobalt-Chromium alloy D:-Nickel-Chromium alloy
Ans: A
60:-Most common drawback of amalgam restoration is
A:-Secondary expansion B:-Porosity C:-Marginal breakdown D:-Contraction on setting
Ans: A
61:-In complete denture patients,
A:-Centric relation coincides with centric occlusion B:-Centric occlusion is anterior to centric relation
C:-Centric occlusion is posterior to centric relation D:-Centric relation is independent of centric occlusion
Ans: A
62:-Black casting results due to
A:-Contamination with sulphur B:-Contamination with lead C:-Contamination with Arsenic D:-Contamination with Hydrogen Ans: A
63:-Beading provides
A:-Impression area of cast B:-Land area of cast C:-Art part of the cast D:-Base of the cast
Ans: B
64:-The corner stone of maxillary dental arch is
A:-Maxillary central incisor B:-Maxillary canine C:-Maxillary first premolar D:-Maxillary lateral incisor
Ans: B
65:-The mean value articulator is based on which theory of occlusion?
A:-Bonwill's theory B:-Spherical theory C:-Conical theory D:-Lingualised occlusion
Ans: A
66:-The process of applying a thin mix of dental stone which is painted over the wax surface and denture teeth is
A:-Stippling B:-Festooning C:-Coring D:-Indexing
Ans: C
67:-The curve located antero posteriorly in a complete denture is
A:-Curve of Spee B:-Pleasure curve C:-Monson curve D:-Curve of Wilson
Ans: A
68:-Hawley's appliance is used in orthodontics for
A:-Relapse B:-Retention C:-Anchorage D:-Reciprocation
Ans: B
69:-The choice of pontic in mandibular posterior region is
A:-Ridge lap B:-Ovate C:-Sanitary D:-Saddle
Ans: C
70:-Screw gag is indicated for patients having
A:-Trismus B:-Fracture of facial skeleton C:-Cleft palate D:-Cheloid
Ans: A
71:-An obturator is indicated for patients having
A:-Irradiation B:-Trauma C:-Cleft palate D:-Deviation of mandible
Ans: C
72:-A combination clasp consists of
A:-Cast retentive arm and wrought reciprocal arm B:-Cast reciprocal arm and wrought retentive arm C:-Basemetal reciprocal arm and gold retentive arm D:-Bar clasp and circumferential clasp
Ans: B
73:-Reinforcing shellac or acrylic with orthodontic wires increases
A:-Ductility B:-Malleability C:-Strength D:-Resiliency
Ans: C
74:-The simultaneous contact of all teeth both in centric as well as eccentric relation and in right and left and anterior and posterior occlusal areas is referred to as
A:-Monoplane occlusion B:-Centric occlusion C:-Stability D:-Balanced occlusion
Ans: D
75:-The term Pindex is related to
A:-Devesting B:-Ceramic system C:-Die system D:-Articulator
Ans: C
76:-The most commonly used separating media is
A:-Sodium alginate B:-Potato starch C:-Slurry water D:-Gum arabic
Ans: A
77:-Muscles of mastication include all except
A:-Massetter B:-Temporalis
C:-Lateral Pterygoid D:-Platysma
Ans: D
78:-Heat cure acrylic is packed in
A:-Wet and sandy stage B:-Rubbery stage C:-Dough stage D:-Stiff stage
Ans: C
79:-The process of resurfacing the tissue surface of the denture base is
A:-Tissue conditioning B:-Relining C:-Rebasing D:-Remounting
Ans: B
80:-The distance between the incisive papilla and the central incisors in teeth arrangement should be
A:-16 mm B:-18 mm C:-6-8 mm D:-10-12 mm
Ans: C
81:-The letters M and S in the teeth set indicate
A:-Mold and size B:-Mold and shape C:-Mold and shade D:-Mold and square Ans: C
82:-The cusp of Carabelli is found on
A:-Maxillary first molar B:-Maxillary 2nd molar C:-Mandibular 1st molar D:-Mandibular 2nd molar
Ans: A
83:-The mesial developmental groove or mesial developmental depression is found in
A:-Maxillary 2nd Premolar B:-Maxillary 1st premolar C:-Maxillary 2nd molar D:-Canine
Ans: B
84:-The oblique ridge found in maxillary first molar connects
A:-Mesiolingual and distobuccal cusps B:-Mesiobuccal and distolingual cusps
C:-Mesiolingual and distolingual cusps D:-Mesiobuccal and distobuccal cusps
Ans: A
85:-Labial bow is used in
A:-Retraction B:-Tipping C:-Intrusion D:-Expansion
Ans: A
86:-The ability of the material to be drawn into thin wires is called
A:-Malleability B:-Ductility C:-Toughness D:-Resilience
Ans: B
87:-Posterior Palatal seal area aids in
A:-Retention of denture
B:-Stability of denture
C:-Support of denture
D:-Preservation of alveolar ridge
Ans: A
88:-The apparent force of attraction existing between two dissimilar bodies in close contact is
A:-Adhesion B:-Cohesion C:-Capillarity D:-Viscosity
Ans: A
89:-The refractory material used in investment is
A:-Silica B:-Carbon C:-Boron D:-Gypsum
Ans: A
90:-Antiflux used during soldering is
A:-Borax B:-Fluoride C:-Graphite D:-Silica
Ans: C
91:-Ditching should be done in dies
A:-0.5 mm short of finish line B:-0.5 mm beyond finish line C:-1.3 mm short of finish line D:-1.5 mm beyond finish line
Ans: A
92:-The technique of acrylisation employed routinely in dental practice is known as
A:-Injection molding technique B:-Compression molding technique C:-Fluid resin technique D:-Visible light curing technique
Ans: B
93:-Coffin spring is employed for
A:-Buccal movement of canines B:-Proclination of upper anterior teeth
C:-Expansion of maxillary arch D:-Distalisation of canine
Ans: C
94:-Anterior inclined plane or upper inclined plane is used in correction of
A:-Proclination of anterior teeth B:-Retroclination of lower anterior teeth
C:-Splinting of upper anterior teeth D:-Tongue thrusting
Ans: B
95:-The zone of flame that is used in casting process is
A:-Dark zone B:-Combustion zone C:-Reducing zone D:-Oxidising zone
Ans: C
96:-The sprue length and thickness used in casting should be
A:-Short and thin B:-Long and thick C:-Long and thin D:-Short and thick
Ans: D
97:-Chamfer finish line is employed in fixed partial denture for
A:-Porcelain crown B:-Metal crown C:-Zirconia crown D:-CAD CAM crown
Ans: B
98:-The anchorage in which the resistance of one or more dental units is utilized to move one or more opposing dental units
A:-Simple anchorage
B:-Stationary anchorage
C:-Reciprocal anchorage
D:-Intra oral anchorage
Ans: C
99:-The world's first dental hygienist was
A:-Alfred C Fones
B:-Irene Newman
C:-J.M.Eager
D:-Issac Binton
Ans: B
100:-According to DMFS index proposed in 1938, the total number of surfaces examined are
A:-128
B:-132
C:-138
D:-148
Ans: A