DENTAL- PAGE 6
DENTAL MCQs- PAGE 6
1:-The primary denture support area for a mandibular complete denture is A:-The crest of the ridge B:-Buccal shelf area C:-Mylohyoid ridge D:-Retromolar pad Ans: B
2:-Two or more parallel axial surfaces of abutment teeth shaped to direct the prosthesis during placement and removal are called A:-Indirect retainers B:-Undercuts C:-Guiding planes D:-Reciprocation Ans: C
3:-The advantage of a metal denture base over a resin base is A:-Low cost B:-Poor dimensional stability C:-Greater weight D:-Thermal conductivity Ans: D
4:-Face-bow is used for A:-Recording vertical jaw relation B:-Recording horizontal jaw relation C:-Recording orientation jaw relation D:-Recording centric relation Ans: C
5:-The cross section of lingual bar is A:-Pear shaped B:-Half pear shaped C:-Round shaped D:-Triangular shaped Ans: B
6:-During surveying, the height of contour is delineated by A:-Analyzing rod B:-Undercut gauge C:-Carbon marker D:-Wax knife Ans: A
7:-Labial frenum contains A:-Levator angulioris muscle B:-Buccinator C:-Orbicularis muscle D:-No muscle Ans: D
8:-The primary purpose of posterior palatal seal is A:-To provide retention for the maxillary denture B:-To provide support for the maxillary denture C:-To reduce food accumulation beneath the denture D:-To compensate the volumetric shrinkage of polymerisation of acrylic resin Ans: A
9:-Labial bar is indicated in case of A:-Incompetent lips B:-Diastema C:-Labial inclination of teeth D:-Lingual inclination of teeth Ans: D
10:-The part of an RPD frame work that transmits stress to the abutment teeth and also serves as a vertical stop for the framework is called a A:-Major connector B:-Minor connector C:-Rest D:-Denture base Ans: C
11:-A mean value articulator is also known as A:-Anatomic articulator B:-Hinge articulator C:-Three point articulator D:-Semi adjustable articulator Ans: C
12:-The posterior occlusal plane in complete denture is made parallel to A:-Ala tragal line B:-High lip line C:-Low lip line D:-Frankfurt horizontal plane Ans: A
13:-Which of the following Kennedy's class cannot have modification spaces? A:-Class I B:-Class II C:-Class III D:-Class IV Ans: D
14:-Boiling point of PMMA monomer is A:-103°C B:-100.8°C C:-130°C D:-113°C Ans: B
15:-Base metal alloys are most commonly invested using A:-Gypsum bonded investment B:-Phosphate bonded investment C:-Silicate bonded investment D:-Divestment Ans: B
16:-Which of the following is not hydrophilic? A:-Agar B:-Polysulphide C:-Alginate D:-Polyether Ans: B
17. Ideal Sterilization method for instruments that may be prone to corrosion or heat damage is
A:-Dry Heat Sterilization
B:-Chemical Vapour Sterilization
C:-Glass Bead Sterilization
D:-Ethylene oxide Sterilization
Ans: D
18. Seperators used in fixed orthodontic appliances are
A:-Passive components
B:-Active components
C:-Both active and passive component
D:-None of the above
Ans: B
19. During orthodontic treatment, there is proliferation of the interdental papillae.To increase the circulation and to prevent formation of pendulous fibrous areas, it is recommended to use
A:-a hard rubber interdental stimulator
B:-a soft rubber interdental stimulator
C:-a soft multitufted tooth brush
D:-a hard multitufted tooth brush
Ans: B
20. Elgiloy orthodontic wires are also called as
A:-Cobalt Chromium
B:-Beta-titanium
C:-Nitinol
D:-Coaxial archwires
Ans: A
21:-Which of the following is not an impression material for dentulous condition
A:-Alginate
B:-Agar
C:-Impression compound
D:-Addition silicone
Ans: C
22:-Which of the following is a reversible impression material
A:-Agar
B:-Gypsum
C:-Alginate
D:-Zinc oxide eugenol impression paste
Ans: A
23:-Which of the following is an elastomeric impression material
A:-Impression compound
B:-Alginate
C:-Polyether
D:-Zinc oxide eugenol impression paste
Ans: C
24:-For the manipulation of acrylic, the polymer:monomer ratio by volume is,
A:-1:3
B:-3:1
C:-2:1
D:-1:2
Ans: B
25:-Type III Gypsum product is
A:-Impression plaster
B:-Dental stone
C:-Dental stone , High strength
D:-Dental stone, High strength , High expansion
Ans: B
26:-The accelerator solution for Zinc oxide eugenol impression paste contains,
A:-Silica
B:-Borax
C:-Potassium sulphate
D:-Calcium chloride
Ans: D
27:-The fluid resin technique is for;
A:-Fabrication of denture bases
B:-Pouring of casts
C:-Manipulation of alginate
D:-Manipulation of addition silicone
Ans: A
28:-The most popular implant material is
A:-Stainless Steel
B:-Nickel Chromium alloy
C:-Cobalt Chromium alloy
D:-Titanium
Ans: D
29:-The retarder present in alginate is
A:-Sodium phosphate
B:-Calcium sulphate
C:-Potassium titanium fluoride
D:-Zinc oxide
Ans: A
30:-The component in inlay wax which improve its smoothness in molding and make it more resistant to cracking and flaking is
A:-Paraffin wax
B:-Gum dammar
C:-Carnauba wax
D:-Candelilla wax
Ans: B
31:-Lipschutz bodies are a common pathological feature of
A:-Sarcoidosis
B:-Primary Herpetic Stomatitis
C:-Syphilis
D:-Recurrent Aphthous Stomatitis
Ans: B
32:-A sharp bend in the crown or root of a tooth results in
A:-Dilaceration
B:-Gemination
C:-Turner’s hypoplasia
D:-Concrescence
Ans: A
33:-Antoni Type A tissue and Antoni Type B tissue are characteristic features of
A:-Osteosarcoma
B:-Neurofibroma
C:-Schwannoma
D:-Neurofibrosarcoma
Ans: C
34:-. Characteristic lesions of Erythema multiforme are called
A:-Tzanck cells
B:-Nikolsky’s sign
C:-Wickham’s striae
D:-Bull’s eye
Ans: D
35:-. Liesegang’s rings and driven snow appearance are characteristic features of
A:-Calcifying epithelial odontogenic tumor
B:-Squamous odontogenic tumor
C:-Odontome
D:-Ameloblastoma
Ans: A
36:-. Most common malignancy of the oral cavity is
A:-Adenocarcinoma
B:-Basal cell carcinoma
C:-Malignant melanoma
D:-Squamous cell carcinoma
Ans: D
37:-Eburnation of Dentin is seen in
A:-Radiation caries
B:-Rampant caries
C:-Arrested caries
D:-Pit and fissure caries
Ans: C
38:-. Mucocele commonly occurs on the
A:-Upper lip
B:-Lower lip
C:-Bucccal mucosa
D:-Palate
Ans: B
39:-Most common malignant salivary gland tumor in children
A:-Acinic cell carcinoma
B:-Polymorphous low grade adenocarcinoma
C:-Adenoid cystic carcinoma
D:-Mucoepidermoid carcinoma
Ans: D
40:-The virus group that is associated with Squamous Papilloma is
A:-Human Papova virus
B:-Human Immunodeficiency virus
C:-Herpes simplex virus
D:-Paramyxovirus
Ans: A
41:-Disclosing agent is used to detect
A:-Dental caries
B:-Plaque
C:-Malocclusion
D:-Tooth vitality
Ans: B
42:-Most commonly used mouth wash
A:-Hydrogen peroxide
B:-Saline
C:-Chlorhexidine
D:-Sodium fluoride
Ans: C
43:-Safely tolerated dose of Fluoride is
A:-8-16mg/kg body wt
B:-16-32 mg/kg body wt
C:-32-64mg/kg body wt
D:-1-8mg/kg body wt
Ans: A
44:-'Trench mouth' is the alternative name for
A:-Plaque induced gingivitis
B:-Herpetic gingivitis
C:-Acute necritizing ulcerative gingivitis
D:-Eruption gingivitis
Ans: C
45:-First deciduous tooth to erupt into oral cavity
A:-Mandibular first molar
B:-Maxillary canine
C:-Maxillary central incisor
D:-Mandibular central incisor
Ans: D
46:-All are permanent restorative materials EXCEPT
A:-Glass ionomer
B:-Composite
C:-Amalgam
D:-Zinc oxide eugenol
Ans: D
47:-Brushing technique used in children
A:-Fones method
B:-Stillmanns metod
C:-Charters method
D:-Wilsons method
Ans: A
48:-Advantages of Glass ionomer cement are all EXCEPT
A:-Fluoride release
B:-Aesthetics
C:-Chemical bond
D:-Mechanical bond
Ans: D
49:-Normal Eruption sequence of deciduous teeth
A:-ABCDE
B:-ABDEC
C:-ABDCE
D:-EABCD
Ans: C
50:-Brudevold technique is used with
A:-Stannous fluoride
B:-APF
C:-Sodium Fluoride
D:-Fluoride varnish
Ans: B
2:-Two or more parallel axial surfaces of abutment teeth shaped to direct the prosthesis during placement and removal are called A:-Indirect retainers B:-Undercuts C:-Guiding planes D:-Reciprocation Ans: C
3:-The advantage of a metal denture base over a resin base is A:-Low cost B:-Poor dimensional stability C:-Greater weight D:-Thermal conductivity Ans: D
4:-Face-bow is used for A:-Recording vertical jaw relation B:-Recording horizontal jaw relation C:-Recording orientation jaw relation D:-Recording centric relation Ans: C
5:-The cross section of lingual bar is A:-Pear shaped B:-Half pear shaped C:-Round shaped D:-Triangular shaped Ans: B
6:-During surveying, the height of contour is delineated by A:-Analyzing rod B:-Undercut gauge C:-Carbon marker D:-Wax knife Ans: A
7:-Labial frenum contains A:-Levator angulioris muscle B:-Buccinator C:-Orbicularis muscle D:-No muscle Ans: D
8:-The primary purpose of posterior palatal seal is A:-To provide retention for the maxillary denture B:-To provide support for the maxillary denture C:-To reduce food accumulation beneath the denture D:-To compensate the volumetric shrinkage of polymerisation of acrylic resin Ans: A
9:-Labial bar is indicated in case of A:-Incompetent lips B:-Diastema C:-Labial inclination of teeth D:-Lingual inclination of teeth Ans: D
10:-The part of an RPD frame work that transmits stress to the abutment teeth and also serves as a vertical stop for the framework is called a A:-Major connector B:-Minor connector C:-Rest D:-Denture base Ans: C
11:-A mean value articulator is also known as A:-Anatomic articulator B:-Hinge articulator C:-Three point articulator D:-Semi adjustable articulator Ans: C
12:-The posterior occlusal plane in complete denture is made parallel to A:-Ala tragal line B:-High lip line C:-Low lip line D:-Frankfurt horizontal plane Ans: A
13:-Which of the following Kennedy's class cannot have modification spaces? A:-Class I B:-Class II C:-Class III D:-Class IV Ans: D
14:-Boiling point of PMMA monomer is A:-103°C B:-100.8°C C:-130°C D:-113°C Ans: B
15:-Base metal alloys are most commonly invested using A:-Gypsum bonded investment B:-Phosphate bonded investment C:-Silicate bonded investment D:-Divestment Ans: B
16:-Which of the following is not hydrophilic? A:-Agar B:-Polysulphide C:-Alginate D:-Polyether Ans: B
17. Ideal Sterilization method for instruments that may be prone to corrosion or heat damage is
A:-Dry Heat Sterilization
B:-Chemical Vapour Sterilization
C:-Glass Bead Sterilization
D:-Ethylene oxide Sterilization
Ans: D
18. Seperators used in fixed orthodontic appliances are
A:-Passive components
B:-Active components
C:-Both active and passive component
D:-None of the above
Ans: B
19. During orthodontic treatment, there is proliferation of the interdental papillae.To increase the circulation and to prevent formation of pendulous fibrous areas, it is recommended to use
A:-a hard rubber interdental stimulator
B:-a soft rubber interdental stimulator
C:-a soft multitufted tooth brush
D:-a hard multitufted tooth brush
Ans: B
20. Elgiloy orthodontic wires are also called as
A:-Cobalt Chromium
B:-Beta-titanium
C:-Nitinol
D:-Coaxial archwires
Ans: A
21:-Which of the following is not an impression material for dentulous condition
A:-Alginate
B:-Agar
C:-Impression compound
D:-Addition silicone
Ans: C
22:-Which of the following is a reversible impression material
A:-Agar
B:-Gypsum
C:-Alginate
D:-Zinc oxide eugenol impression paste
Ans: A
23:-Which of the following is an elastomeric impression material
A:-Impression compound
B:-Alginate
C:-Polyether
D:-Zinc oxide eugenol impression paste
Ans: C
24:-For the manipulation of acrylic, the polymer:monomer ratio by volume is,
A:-1:3
B:-3:1
C:-2:1
D:-1:2
Ans: B
25:-Type III Gypsum product is
A:-Impression plaster
B:-Dental stone
C:-Dental stone , High strength
D:-Dental stone, High strength , High expansion
Ans: B
26:-The accelerator solution for Zinc oxide eugenol impression paste contains,
A:-Silica
B:-Borax
C:-Potassium sulphate
D:-Calcium chloride
Ans: D
27:-The fluid resin technique is for;
A:-Fabrication of denture bases
B:-Pouring of casts
C:-Manipulation of alginate
D:-Manipulation of addition silicone
Ans: A
28:-The most popular implant material is
A:-Stainless Steel
B:-Nickel Chromium alloy
C:-Cobalt Chromium alloy
D:-Titanium
Ans: D
29:-The retarder present in alginate is
A:-Sodium phosphate
B:-Calcium sulphate
C:-Potassium titanium fluoride
D:-Zinc oxide
Ans: A
30:-The component in inlay wax which improve its smoothness in molding and make it more resistant to cracking and flaking is
A:-Paraffin wax
B:-Gum dammar
C:-Carnauba wax
D:-Candelilla wax
Ans: B
31:-Lipschutz bodies are a common pathological feature of
A:-Sarcoidosis
B:-Primary Herpetic Stomatitis
C:-Syphilis
D:-Recurrent Aphthous Stomatitis
Ans: B
32:-A sharp bend in the crown or root of a tooth results in
A:-Dilaceration
B:-Gemination
C:-Turner’s hypoplasia
D:-Concrescence
Ans: A
33:-Antoni Type A tissue and Antoni Type B tissue are characteristic features of
A:-Osteosarcoma
B:-Neurofibroma
C:-Schwannoma
D:-Neurofibrosarcoma
Ans: C
34:-. Characteristic lesions of Erythema multiforme are called
A:-Tzanck cells
B:-Nikolsky’s sign
C:-Wickham’s striae
D:-Bull’s eye
Ans: D
35:-. Liesegang’s rings and driven snow appearance are characteristic features of
A:-Calcifying epithelial odontogenic tumor
B:-Squamous odontogenic tumor
C:-Odontome
D:-Ameloblastoma
Ans: A
36:-. Most common malignancy of the oral cavity is
A:-Adenocarcinoma
B:-Basal cell carcinoma
C:-Malignant melanoma
D:-Squamous cell carcinoma
Ans: D
37:-Eburnation of Dentin is seen in
A:-Radiation caries
B:-Rampant caries
C:-Arrested caries
D:-Pit and fissure caries
Ans: C
38:-. Mucocele commonly occurs on the
A:-Upper lip
B:-Lower lip
C:-Bucccal mucosa
D:-Palate
Ans: B
39:-Most common malignant salivary gland tumor in children
A:-Acinic cell carcinoma
B:-Polymorphous low grade adenocarcinoma
C:-Adenoid cystic carcinoma
D:-Mucoepidermoid carcinoma
Ans: D
40:-The virus group that is associated with Squamous Papilloma is
A:-Human Papova virus
B:-Human Immunodeficiency virus
C:-Herpes simplex virus
D:-Paramyxovirus
Ans: A
41:-Disclosing agent is used to detect
A:-Dental caries
B:-Plaque
C:-Malocclusion
D:-Tooth vitality
Ans: B
42:-Most commonly used mouth wash
A:-Hydrogen peroxide
B:-Saline
C:-Chlorhexidine
D:-Sodium fluoride
Ans: C
43:-Safely tolerated dose of Fluoride is
A:-8-16mg/kg body wt
B:-16-32 mg/kg body wt
C:-32-64mg/kg body wt
D:-1-8mg/kg body wt
Ans: A
44:-'Trench mouth' is the alternative name for
A:-Plaque induced gingivitis
B:-Herpetic gingivitis
C:-Acute necritizing ulcerative gingivitis
D:-Eruption gingivitis
Ans: C
45:-First deciduous tooth to erupt into oral cavity
A:-Mandibular first molar
B:-Maxillary canine
C:-Maxillary central incisor
D:-Mandibular central incisor
Ans: D
46:-All are permanent restorative materials EXCEPT
A:-Glass ionomer
B:-Composite
C:-Amalgam
D:-Zinc oxide eugenol
Ans: D
47:-Brushing technique used in children
A:-Fones method
B:-Stillmanns metod
C:-Charters method
D:-Wilsons method
Ans: A
48:-Advantages of Glass ionomer cement are all EXCEPT
A:-Fluoride release
B:-Aesthetics
C:-Chemical bond
D:-Mechanical bond
Ans: D
49:-Normal Eruption sequence of deciduous teeth
A:-ABCDE
B:-ABDEC
C:-ABDCE
D:-EABCD
Ans: C
50:-Brudevold technique is used with
A:-Stannous fluoride
B:-APF
C:-Sodium Fluoride
D:-Fluoride varnish
Ans: B
51:-Activator in developer solution is
A:-Potassium Bromide
B:-Sodium Sulfite
C:-Sodium Carbonate
D:-Hydroquinone
Ans: C
52:-In an X-ray tube, X-rays originate from
A:-Tungsten Filament
B:-Tungsten target
C:-Focusing cup
D:-Copper stem
Ans: B
53:-According to position and distance rule to reduce the occupational radiation exposure, operator should be away from source by a distance of
A:-6 feet
B:-4 feet
C:-5 feet
D:-8 feet
Ans: A
54:-X -ray beam can be restricted in size by using
A:-Filter
B:-Collimator
C:-Intensifying screen
D:-Grids
Ans: B
55:-The transformer used to heat the tungsten filament of an X-ray tube is
A:-Step -up transformer
B:-Auto transformer
C:-Transducer
D:-Step down transformer
Ans: D
56:-Standard intraoral periapical film size for adults is
A:-Size 0
B:-Size 1
C:-Size 2
D:-Size 4
Ans: C
57:-The SI unit of Radiation absorbed dose is
A:-Rad
B:-Rem
C:-Sievert
D:-Gray
Ans: D
58:-X -ray filters are most commonly made up of
A:-Aluminium
B:-Zinc
C:-Lead
D:-Tungsten
Ans: A
59:-Which of the following is most susceptible to radiation
A:-Nerve
B:-Blood forming tissue
C:-Muscle
D:-Brain
Ans: B
60:-Reflecting layer in an intensifying screen is made up of
A:-Titanium Dioxide
B:-Calcium Tungstate
C:-Lithium Bromide
D:-Lanthanum Oxybromide
Ans: A
61:-The four principal components of periodontium consists of ?
A:-Gingiva, cementum , alveolar bone & oral mucosa
B:-Gingiva , cementum , alveolar bone & periodontal ligament
C:-Gingiva , cementum , periodontal ligament & connective tissue
D:-Gingiva , alveolar bone , cementum & keratinizing mucosa
Ans: B
62:-The tooth surface which least accumulation of plaque is seen in ?
A:-Facial
B:-Mesial
C:-Distal
D:-Lingual
Ans: D
63:-'Periodontal disease results from the elaboration of noxious products by the entire plaque flora' is the basic principle of ?
A:-Non specific plaque hypothesis
B:-Specific plaque hypothesis
C:-Ecological plaque hypothesis
D:-Socransky's hypothesis
Ans: A
64:-Organ systems & conditions possibly influenced by periodontal infection are all except
A:-Reproductive system
B:-Musculo- skeletal system
C:-Cardiovascular system
D:-Endocrine system
Ans: B
65:-Gingivitis confined to one or more inter dental spaces in a limited area is termed as?
A:-Localized marginal gingivitis
B:-Localized papillary gingivitis
C:-Localized diffuse gingivitis
D:-Diffuse gingivitis
Ans: B
66:-The functional unit referred to as dento-gingival unit consists of ?
A:-Periodontal ligament fibers & gingival fibers
B:-Sharpy's fibers & cementum
C:-Junctional epithelium & gingival fibers
D:-Cementum & gingival fibers
Ans: C
67:-The ingredient in tartar control tooth paste which has shown to reduce deposition of new calculus on teeth is ?
A:-Pyrophosphates
B:-Flourides
C:-Polyvinyl chlorides
D:-Silicones
Ans: A
68:-The interdental aid recommended for the area with no interdental papillae is ?
A:-Dental floss
B:-Super floss
C:-Interproximal brush
D:-Single tufted brush
Ans: D
69:-The protective inflammatory & immune process in response to plaque biofilm , resulting in tissue damage of the host is termed as ?
A:-Autologous damage
B:-Immune complex damage
C:-Bystander damage
D:-Reciprocal damage
Ans: C
70:-For patients with periodontal disease, the term 'target hygiene' refers to ?
A:-teaching a sulcular brushing using vibratory motion
B:-attaining an oral hygiene level with no plaque
C:-attaining optimal gingival health with no bleeding
D:-attaining optimal periodontal health with no disease
Ans: A
71:-Cutting through tissues and separating tissue planes is called
A:-Curettage
B:-Resection
C:-Dissection
D:-Secondary repair
Ans: C
72:-Transplantation of tissues or organs between different species is called
A:-Xenogenic
B:-Alloplastic
C:-Autogenous
D:-Allogenic
Ans: A
73:-Causes of Oro Antral communication
A:-Maxillary Pre prosthetic surgery
B:-Mandibular Pre Prosthetic surgery
C:-Implant placement in Mandible
D:-Option 2 and 3
Ans: A
74:-Stobie s technique is
A:-Extraction of Mandibular incisors
B:-Zygomatic arch elevation
C:-Inferior Alveolar nerve block technique
D:-Answer not in options
Ans: A
75:-Which of the following is a common component of dental forceps and elevators ?
A:-Handle
B:-Hinge
C:-Shank
D:-Blade
Ans: A
76:-Surgical emphysema may be caused by
A:-Use of high speed air turbine handpieces with the exhaust facing the surgical side
B:-Increased intraoral pressure
C:-Use of hydrogen peroxide in the surgical wound
D:-All the above options
Ans: D
77:-Which is the most efficient fixation technique in fracture mandible central crossing the midline region ?
A:-Mono cortical compression plating
B:-Bi cortical compression plating
C:-Lag screw
D:-Use of 3 D plates
Ans: B
78:-Which of the following is NOT a function of Zygoma ?
A:-Protection of globe and associated structures
B:-Origination of masseter muscle
C:-Transmission of part of the masticatory forces to the cranial base
D:-Insertion of the temporalis muscle
Ans: D
79:-Port wine stain is
A:-Capillary hemangioma
B:-Capillary malformation
C:-Congenital dermal vascular ectasia
D:-Option 2 and 3
Ans: D
80:-Lincoln s highway is associated with
A:-Head and neck infections
B:-Spread of oral malignancy
C:-Options 1 and 2
D:-None of the above.
Ans: A
81:-The ability of a material to be drawn into sheets is called
A:-Malleability
B:-Ductility
C:-Resiliency
D:-Toughness
Ans: A
82:-Which of the following is not a die material ?
A:-Epoxy resin
B:-Type IV dental stone
C:-Electroformed dies
D:-Ceramic
Ans: D
83:-Which of the following landmark limits the extent of mandibular denture ?
A:-Buccal shelf area
B:-Lingual Frenum
C:-Retromolar pad
D:-Buccal frenum
Ans: C
84:-Mean value articulator is based on
A:-Spherical theory of occlusion
B:-Conical theory of occlusion
C:-Bonwills theory of occlusion
D:-Lingualised occlusion
Ans: C
85:-Which of the following classes in Kennedy's classification does not have any modifications ?
A:-Class I
B:-Class II
C:-Class III
D:-Class IV
Ans: D
86:-External and internal finish lines are associated with
A:-Complete denture
B:-Removable partial denture
C:-Fixed partial denture
D:-Maxillofacial prosthesis
Ans: B
87:-The ideal thickness of base of a cast is
A:-3 – 4 mm
B:-10 – 12 mm
C:-8 – 10 mm
D:-15 – 16 mm
Ans: D
88:-The process of resurfacing the tissue side of a denture with new base material to provide a more accurate fit is called
A:-Relining
B:-Rebusing
C:-Tissue conditioning
D:-Tissue adaptation
Ans: A
89:-The fusion temperature of impression compound is
A:-43.5°C
B:-39°C
C:-37°C
D:-65°C
Ans: A
90:-The cement which is least soluble in oral cavity is
A:-Glass ionomer
B:-Resin cement
C:-Polycarboxylate cement
D:-Silicate cement
Ans: B
91:-Which of the following cements is more irritant to pulp tissues ?
A:-Glass ionomer
B:-Zinc phosphate
C:-Polycarboxylate
D:-Silicate
Ans: D
92:-The tooth is anchored on to the alveolar bone by means of
A:-Enamel
B:-Dentin
C:-Pulp
D:-Periodontal ligament
Ans: D
93:-Dental formula for human permanent dentition is
A:-2 1 2 3
B:-2 1 0 2
C:-2 1 3 3
D:-2 1 3 2
Ans: A
94:-Cusp of Carabelli is seen in
A:-Maxillary `1^(st)` permanent molar
B:-Mandibular `1^(st)` permanent molar
C:-Maxillary `1^(st)` premolar
D:-Mandibular `1^(st)` premolar
Ans: A
95:-Curing cycle is related to
A:-Composites
B:-Acrylic
C:-Porcelain
D:-Elastomeric impression material
Ans: B
96:-The suspended member of a fixed partial denture that replaces missing tooth or teeth and restores ethetics, mastication and speech is
A:-Abutment
B:-Pontic
C:-Connector
D:-Retainer
Ans: B
97:-The part of an fixed partial denture that connects pontic and retainer is
A:-Stress breaker
B:-Connector
C:-Indirect retainer
D:-Minor connector
Ans: B
98:-The choice of pontic in maxillary anterior region is
A:-Ovate
B:-Conical
C:-Ridge lap
D:-Sanitary
Ans: A
99:-The central incisors are set at what distance in relation to incisive papilla ?
A:-1 – 3 mm
B:-2 – 4 mm
C:-4 – 6 mm
D:-6 – 8 mm
Ans: D
100:-The most important requirement of major connector is
A:-Esthetics
B:-Should cover cingulum
C:-Should not cover marginal gingiva
D:-Rigidity
Ans: D
A:-Potassium Bromide
B:-Sodium Sulfite
C:-Sodium Carbonate
D:-Hydroquinone
Ans: C
52:-In an X-ray tube, X-rays originate from
A:-Tungsten Filament
B:-Tungsten target
C:-Focusing cup
D:-Copper stem
Ans: B
53:-According to position and distance rule to reduce the occupational radiation exposure, operator should be away from source by a distance of
A:-6 feet
B:-4 feet
C:-5 feet
D:-8 feet
Ans: A
54:-X -ray beam can be restricted in size by using
A:-Filter
B:-Collimator
C:-Intensifying screen
D:-Grids
Ans: B
55:-The transformer used to heat the tungsten filament of an X-ray tube is
A:-Step -up transformer
B:-Auto transformer
C:-Transducer
D:-Step down transformer
Ans: D
56:-Standard intraoral periapical film size for adults is
A:-Size 0
B:-Size 1
C:-Size 2
D:-Size 4
Ans: C
57:-The SI unit of Radiation absorbed dose is
A:-Rad
B:-Rem
C:-Sievert
D:-Gray
Ans: D
58:-X -ray filters are most commonly made up of
A:-Aluminium
B:-Zinc
C:-Lead
D:-Tungsten
Ans: A
59:-Which of the following is most susceptible to radiation
A:-Nerve
B:-Blood forming tissue
C:-Muscle
D:-Brain
Ans: B
60:-Reflecting layer in an intensifying screen is made up of
A:-Titanium Dioxide
B:-Calcium Tungstate
C:-Lithium Bromide
D:-Lanthanum Oxybromide
Ans: A
61:-The four principal components of periodontium consists of ?
A:-Gingiva, cementum , alveolar bone & oral mucosa
B:-Gingiva , cementum , alveolar bone & periodontal ligament
C:-Gingiva , cementum , periodontal ligament & connective tissue
D:-Gingiva , alveolar bone , cementum & keratinizing mucosa
Ans: B
62:-The tooth surface which least accumulation of plaque is seen in ?
A:-Facial
B:-Mesial
C:-Distal
D:-Lingual
Ans: D
63:-'Periodontal disease results from the elaboration of noxious products by the entire plaque flora' is the basic principle of ?
A:-Non specific plaque hypothesis
B:-Specific plaque hypothesis
C:-Ecological plaque hypothesis
D:-Socransky's hypothesis
Ans: A
64:-Organ systems & conditions possibly influenced by periodontal infection are all except
A:-Reproductive system
B:-Musculo- skeletal system
C:-Cardiovascular system
D:-Endocrine system
Ans: B
65:-Gingivitis confined to one or more inter dental spaces in a limited area is termed as?
A:-Localized marginal gingivitis
B:-Localized papillary gingivitis
C:-Localized diffuse gingivitis
D:-Diffuse gingivitis
Ans: B
66:-The functional unit referred to as dento-gingival unit consists of ?
A:-Periodontal ligament fibers & gingival fibers
B:-Sharpy's fibers & cementum
C:-Junctional epithelium & gingival fibers
D:-Cementum & gingival fibers
Ans: C
67:-The ingredient in tartar control tooth paste which has shown to reduce deposition of new calculus on teeth is ?
A:-Pyrophosphates
B:-Flourides
C:-Polyvinyl chlorides
D:-Silicones
Ans: A
68:-The interdental aid recommended for the area with no interdental papillae is ?
A:-Dental floss
B:-Super floss
C:-Interproximal brush
D:-Single tufted brush
Ans: D
69:-The protective inflammatory & immune process in response to plaque biofilm , resulting in tissue damage of the host is termed as ?
A:-Autologous damage
B:-Immune complex damage
C:-Bystander damage
D:-Reciprocal damage
Ans: C
70:-For patients with periodontal disease, the term 'target hygiene' refers to ?
A:-teaching a sulcular brushing using vibratory motion
B:-attaining an oral hygiene level with no plaque
C:-attaining optimal gingival health with no bleeding
D:-attaining optimal periodontal health with no disease
Ans: A
71:-Cutting through tissues and separating tissue planes is called
A:-Curettage
B:-Resection
C:-Dissection
D:-Secondary repair
Ans: C
72:-Transplantation of tissues or organs between different species is called
A:-Xenogenic
B:-Alloplastic
C:-Autogenous
D:-Allogenic
Ans: A
73:-Causes of Oro Antral communication
A:-Maxillary Pre prosthetic surgery
B:-Mandibular Pre Prosthetic surgery
C:-Implant placement in Mandible
D:-Option 2 and 3
Ans: A
74:-Stobie s technique is
A:-Extraction of Mandibular incisors
B:-Zygomatic arch elevation
C:-Inferior Alveolar nerve block technique
D:-Answer not in options
Ans: A
75:-Which of the following is a common component of dental forceps and elevators ?
A:-Handle
B:-Hinge
C:-Shank
D:-Blade
Ans: A
76:-Surgical emphysema may be caused by
A:-Use of high speed air turbine handpieces with the exhaust facing the surgical side
B:-Increased intraoral pressure
C:-Use of hydrogen peroxide in the surgical wound
D:-All the above options
Ans: D
77:-Which is the most efficient fixation technique in fracture mandible central crossing the midline region ?
A:-Mono cortical compression plating
B:-Bi cortical compression plating
C:-Lag screw
D:-Use of 3 D plates
Ans: B
78:-Which of the following is NOT a function of Zygoma ?
A:-Protection of globe and associated structures
B:-Origination of masseter muscle
C:-Transmission of part of the masticatory forces to the cranial base
D:-Insertion of the temporalis muscle
Ans: D
79:-Port wine stain is
A:-Capillary hemangioma
B:-Capillary malformation
C:-Congenital dermal vascular ectasia
D:-Option 2 and 3
Ans: D
80:-Lincoln s highway is associated with
A:-Head and neck infections
B:-Spread of oral malignancy
C:-Options 1 and 2
D:-None of the above.
Ans: A
81:-The ability of a material to be drawn into sheets is called
A:-Malleability
B:-Ductility
C:-Resiliency
D:-Toughness
Ans: A
82:-Which of the following is not a die material ?
A:-Epoxy resin
B:-Type IV dental stone
C:-Electroformed dies
D:-Ceramic
Ans: D
83:-Which of the following landmark limits the extent of mandibular denture ?
A:-Buccal shelf area
B:-Lingual Frenum
C:-Retromolar pad
D:-Buccal frenum
Ans: C
84:-Mean value articulator is based on
A:-Spherical theory of occlusion
B:-Conical theory of occlusion
C:-Bonwills theory of occlusion
D:-Lingualised occlusion
Ans: C
85:-Which of the following classes in Kennedy's classification does not have any modifications ?
A:-Class I
B:-Class II
C:-Class III
D:-Class IV
Ans: D
86:-External and internal finish lines are associated with
A:-Complete denture
B:-Removable partial denture
C:-Fixed partial denture
D:-Maxillofacial prosthesis
Ans: B
87:-The ideal thickness of base of a cast is
A:-3 – 4 mm
B:-10 – 12 mm
C:-8 – 10 mm
D:-15 – 16 mm
Ans: D
88:-The process of resurfacing the tissue side of a denture with new base material to provide a more accurate fit is called
A:-Relining
B:-Rebusing
C:-Tissue conditioning
D:-Tissue adaptation
Ans: A
89:-The fusion temperature of impression compound is
A:-43.5°C
B:-39°C
C:-37°C
D:-65°C
Ans: A
90:-The cement which is least soluble in oral cavity is
A:-Glass ionomer
B:-Resin cement
C:-Polycarboxylate cement
D:-Silicate cement
Ans: B
91:-Which of the following cements is more irritant to pulp tissues ?
A:-Glass ionomer
B:-Zinc phosphate
C:-Polycarboxylate
D:-Silicate
Ans: D
92:-The tooth is anchored on to the alveolar bone by means of
A:-Enamel
B:-Dentin
C:-Pulp
D:-Periodontal ligament
Ans: D
93:-Dental formula for human permanent dentition is
A:-2 1 2 3
B:-2 1 0 2
C:-2 1 3 3
D:-2 1 3 2
Ans: A
94:-Cusp of Carabelli is seen in
A:-Maxillary `1^(st)` permanent molar
B:-Mandibular `1^(st)` permanent molar
C:-Maxillary `1^(st)` premolar
D:-Mandibular `1^(st)` premolar
Ans: A
95:-Curing cycle is related to
A:-Composites
B:-Acrylic
C:-Porcelain
D:-Elastomeric impression material
Ans: B
96:-The suspended member of a fixed partial denture that replaces missing tooth or teeth and restores ethetics, mastication and speech is
A:-Abutment
B:-Pontic
C:-Connector
D:-Retainer
Ans: B
97:-The part of an fixed partial denture that connects pontic and retainer is
A:-Stress breaker
B:-Connector
C:-Indirect retainer
D:-Minor connector
Ans: B
98:-The choice of pontic in maxillary anterior region is
A:-Ovate
B:-Conical
C:-Ridge lap
D:-Sanitary
Ans: A
99:-The central incisors are set at what distance in relation to incisive papilla ?
A:-1 – 3 mm
B:-2 – 4 mm
C:-4 – 6 mm
D:-6 – 8 mm
Ans: D
100:-The most important requirement of major connector is
A:-Esthetics
B:-Should cover cingulum
C:-Should not cover marginal gingiva
D:-Rigidity
Ans: D