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Medical MCQs

Option A: Papillion levefre syndrome

Option B: Osteopetrosis

Option C: Cleidocranialdysostosis

Option D: Ectodermal dysplasia

Correct Answer: Osteopetrosis


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Option A: Crouzan syndrome

Option B: Hemifacial hypertrophy

Option C: Cherubism

Option D: Achondroplasia

Correct Answer: Hemifacial hypertrophy


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Option A: Hypocalcified dentin

Option B: Odonto dysplasia

Option C: Dentin dysplasia

Option D: Dentinogenesis imperfecta

Correct Answer: Odonto dysplasia


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Option A: Improper synthesis of procollagen

Option B: Polymerisation of collagen

Option C: Increase osteoclastic activity

Option D: Increase fibroblastic activity

Correct Answer: Improper synthesis of procollagen


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Option A: Hypotaurodont

Option B: Mesotaurodont

Option C: Hypertaurodont

Option D: Normal tooth

Correct Answer: Normal tooth


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Option A: Group I

Option B: Group II

Option C: Group III

Option D: Group IV

Correct Answer: Group I


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Option A: Nasoalveolar cyst

Option B: Nasopalatine cyst

Option C: Incisive canal

Option D: Globulomaxillary cyst

Correct Answer: Globulomaxillary cyst


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Option A: Dentigerous cyst, Globulomaxillary cyst, lateral periodontal cyst, OKC

Option B: Dentigerous cyst, Globulomaxillary cyst, radicular cyst

Option C: Dentigerous cyst OKC, radicular cyst

Option D: ‘B’ & ‘C’

Correct Answer: Dentigerous cyst, Globulomaxillary cyst, lateral periodontal cyst, OKC


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Option A: Maxila

Option B: Mandible

Option C: Ethmoid bone

Option D: Cervical spine

Correct Answer: Maxila


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Option A: Klinefelter’s syndrome

Option B: Sturge weber syndrome

Option C: Down syndrome

Option D: Turner syndrome

Correct Answer: A. Klinefelter’s syndrome


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Option A: Nasopalatine cyst

Option B: Naso-alveolar cyst

Option C: Globulomaxillary cyst

Option D: Median palatal cyst

Correct Answer: Nasopalatine cyst


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Option A: Attempt to repair the defective dentin

Option B: Abrupt arrest to dentin formation in crown

Option C: Abnormal dentin formation in a disorganized fashion

Option D: Cascades of dentin to form root

Correct Answer: Cascades of dentin to form root


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Option A: Macrostomia

Option B: Fetal alcohol syndrome

Option C: Cleft lip and palate

Option D: Ectodermal dysplasia

Correct Answer: Cleft lip and palate


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Option A: Ankylosed teeth

Option B: Unerupted teeth

Option C: Impacted teeth

Option D: Intruded teeth

Correct Answer: Ankylosed teeth


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Option A: Permanent third molar

Option B: Permanent second premolar

Option C: Permanent lateral incisor

Option D: Permanent Canine

Correct Answer: Permanent third molar


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Option A: End of sinus tract

Option B: Extraction Socket

Option C: Due to irritation from calculus / over hanging restoration

Option D: None of the above

Correct Answer: End of sinus tract


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Option A: Deafness

Option B: Multiple supernumerary teeth

Option C: Multiple intestional polyps

Option D: scleroderma

Correct Answer: Multiple intestional polyps


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Option A: Paramolars

Option B: Paramolars

Option C: Lateral incisors

Option D: Maxillary canine

Correct Answer: Lateral incisors


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Option A: Focal epithelial hyperplasia

Option B: Fibromatosis gingiva

Option C: Oral melanotic macule

Option D: Hereditary intestinal polyposis syndrome

Correct Answer: Focal epithelial hyperplasia


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Option A: Maxillary deciduous dentition

Option B: Maxillary permanent dentition

Option C: Mandibular deciduous dentition

Option D: Mandibular permanent dentition

Correct Answer: Maxillary permanent dentition


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Option A: Micrognathia

Option B: Cleft of the lip and plate

Option C: Tetrology of fallot

Option D: Syndactally

Correct Answer: Micrognathia


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Option A: Amelogenesis imperfecta

Option B: Regional odontodysplasia

Option C: Dentinogenesis imperfecta

Option D: Dentinal dysplasia type I

Correct Answer: Regional odontodysplasia


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Option A: Cornal dentin dysplasia

Option B: Regional odontodysplasia

Option C: Dentinogenesis imperfecta

Option D: Amelogenesis imperfecta

Correct Answer: Cornal dentin dysplasia


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Option A: Severe flurosis

Option B: Trauma at the time of birth

Option C: congenital syphilis

Option D: Due to chronic suppurative abscess in over lying gingival tissue

Correct Answer: congenital syphilis


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Option A: Type I dentinogenesis imperfecta

Option B: Type II dentinogenesis imperfecta

Option C: Type III dentinogenesis imperfecta

Option D: Dentin dysplasia

Correct Answer: Type II dentinogenesis imperfecta


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Option A: Deciduous maxillary anteriors

Option B: Deciduous mandibular anteriors

Option C: Permanent maxillary anteriors

Option D: Permanent manibular anteriors

Correct Answer: Permanent maxillary anteriors


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Option A: Amelogenesis imperfecta

Option B: Cleidocranial dysostosis

Option C: Regional odontodysplasia

Option D: Dentinogenesis imperfecta

Correct Answer: Cleidocranial dysostosis


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Option A: Mandibular premolar

Option B: Mandibular canine

Option C: Mandibular third molar

Option D: Maxillary central incisor

Correct Answer: Maxillary central incisor


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Option A: congenital syphilis

Option B: Tertiary syphilis

Option C: Secondary syphilis

Option D: Acquired syphilis

Correct Answer: congenital syphilis


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Option A: An abnormal proliferation of pulp tissue

Option B: Denticle formation within the pulp tissue

Option C: A deep invagination of the enamel organ during formation

Option D: A supernumerary tooth bud enclaved within a normal tooth

Correct Answer: A deep invagination of the enamel organ during formation


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Option A: Mand. Primary 1st moral

Option B: Mand. Primary 2nd moral

Option C: Maxi. Primary 1st moral

Option D: Maxi. Primary 2nd moral

Correct Answer: Mand. Primary 2nd moral


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Option A: Anodontia

Option B: Oligodontia

Option C: Microdontia

Option D: Dens is dente

Correct Answer: Oligodontia


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Option A: Retrusive maxilla

Option B: Enamel hypoplasia

Option C: Retrusive Mandible

Option D: Dentinogenesis imperfecta

Correct Answer: Enamel hypoplasia


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Option A: Rickets

Option B: Congenital hyperthyroidism

Option C: Cleidocranial dysplasia

Option D: cherubism

Correct Answer: Congenital hyperthyroidism


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Option A: Tuberculum impar and lateral lingual swellings

Option B: Hypobranhiral eminence and tuberculum impar

Option C: The two lateral lingual swellings

Option D: Some of the above

Correct Answer: The two lateral lingual swellings


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Option A: Vitamin A deficiency

Option B: Excess of fluoride

Option C: Vitamin D deficiency

Option D: Teratogens

Correct Answer: Excess of fluoride


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Option A: Max. lateral incisor

Option B: Mand. Second premolar

Option C: Mand. Central incisor

Option D: Mand. first premolar

Correct Answer: Max. lateral incisor


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Option A: Dilaceration

Option B: Concrescence

Option C: Fusion

Option D: Gemination

Correct Answer: Fusion


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Option A: Black hairy tongue

Option B: Median rhomboid glossitis

Option C: Geographic tongue

Option D: Fissured tongue

Correct Answer: Black hairy tongue


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Option A: Primary dentition

Option B: Permanent dentition

Option C: Mixed dentition

Option D: None of the above

Correct Answer: Primary dentition


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Option A: May have resemblance to normal teeth

Option B: Disto molars doesn’t resemble any other tooth

Option C: Mesiodens is the most common supernumerary tooth

Option D: More common in mandible

Correct Answer: More common in mandible


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Option A: May involve both the deciduous and the permanent dentition

Option B: In false anodontia tooth doesn’t undergo full development

Option C: May involve a single tooth

Option D: In total anodontia all teeth are missing

Correct Answer: B. In false anodontia tooth doesn’t undergo full development


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Option A: Defective enamel and dentine

Option B: Defective dentine and obliterated pulp chamber

Option C: Increased rate of caries

Option D: Oligodontia

Correct Answer: Defective dentine and obliterated pulp chamber


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Option A: As developmental anomalies

Option B: From carcinomatous transformation

Option C: As a result of hyperpalsia

Option D: Due to repeated trauma in the area

Correct Answer: As developmental anomalies


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Option A: Linea alba buccalis

Option B: Heck’s disease

Option C: Lingual verices

Option D: Fordyce spots

Correct Answer: B. Heck’s disease


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Option A: Maxillary canine

Option B: Maxillary first molar

Option C: Mandibular second premolar

Option D: Mandibular first molar

Correct Answer: Mandibular second premolar


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Option A: Median rhomboid glossitis

Option B: Geographic tongue

Option C: Black hairy tongue

Option D: Moeller’s glossitis

Correct Answer: Median rhomboid glossitis


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Option A: A hereditary disturbance

Option B: The result of excessive fluoride ingestion

Option C: The result of faulty enamel matrix formation

Option D: Characterized by calcification of pulp chambers and the root canals of the teeth

Correct Answer: Characterized by calcification of pulp chambers and the root canals of the teeth


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Option A: Dens is dent

Option B: Regional odontodysplasia

Option C: Dentin dysplasia

Option D: None of the above

Correct Answer: Regional odontodysplasia


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Option A: Division of a single tooth bud after calcification

Option B: Division of a single tooth bud before calcification

Option C: Fusion of two teeth before calcification

Option D: Fusion of two teeth after calcification

Correct Answer: Division of a single tooth bud before calcification


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Option A: Union between tongue and floor of mouth

Option B: Absence of lingual frenum

Option C: Lingual frenum attached to the tip of tongue

Option D: Short lingual frenum

Correct Answer: Union between tongue and floor of mouth


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Option A: Natal teeth

Option B: Neonatal teeth

Option C: Primary teeth

Option D: Prenatal teeth

Correct Answer: Neonatal teeth


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Option A: Marfan’s syndrome

Option B: Crouzon’s syndrome

Option C: Paget’s disease

Option D: PierreRobin syndrome

Correct Answer: PierreRobin syndrome


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Option A: Frey

Option B: Melkerson-Rosenthal

Option C: Teacher Collins

Option D: None of the above

Correct Answer: Melkerson-Rosenthal


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Option A: Soft tissue cyst present often between maxillary Lateral incisor and cuspid teeth

Option B: Often present between incisor and cuspid teeth but is a bone cyst

Option C: A cyst present between the midline of the palate

Option D: A cyst present in the incisive canal

Correct Answer: Often present between incisor and cuspid teeth but is a bone cyst


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Option A: Congenital syphilis

Option B: Rickets

Option C: Anhidrotic ectodermal dysplasia

Option D: Supernumerary teeth

Correct Answer: Rickets


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Option A: Concrescence

Option B: Fusion

Option C: Gemination

Option D: None of the above

Correct Answer: Concrescence


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Option A: Gottlieb

Option B: Miller

Option C: Synder

Option D: Orland and Fizgerald

Correct Answer: Orland and Fizgerald


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Option A: Dextranase and soluble dextran

Option B: Insoluble dextan and glucosyl transferase

Option C: soluble dextan and glucosyl transferase

Option D: None of the above

Correct Answer: Insoluble dextan and glucosyl transferase


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Option A: Increase in plaque formation

Option B: Increase in calculus formation

Option C: Decrease in plaque formation

Option D: Causes precipitation of salivary proteins

Correct Answer: Decrease in plaque formation


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Option A: Enamel

Option B: Dentin

Option C: Pulp

Option D: Cementum

Correct Answer: Dentin


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Option A: Miller

Option B: G.V black

Option C: Gottlieb

Option D: Schwartz

Correct Answer: Miller


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Option A: low buffering capacity of acids

Option B: Medium buffering capacity for acids

Option C: High buffering capacity for acids

Option D: Independent of buffering capacity for acids

Correct Answer: High buffering capacity for acids


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Option A: Enamel spindles

Option B: Dentinoenamel junction

Option C: Enamel lamellae

Option D: Striae of Retzius

Correct Answer: Dentinoenamel junction


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Option A: Lactobacillus is main acusative organism in plaque

Option B: Smooth surface caries occur due to streptococcus mutans

Option C: Pit and Fissure caries can be prevented by using pit and tissue sealants

Option D: Fluorides help in reducing caries incidence

Correct Answer: Lactobacillus is main acusative organism in plaque


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Option A: Formation of large amount of acid

Option B: Availability of carbohydrate food

Option C: Viscosity of saliva

Option D: Localization of acid over tooth surface

Correct Answer: Localization of acid over tooth surface


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Option A: 1890

Option B: 1920

Option C: 1924

Option D: 1980

Correct Answer: 1890


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Option A: Zone of bacterial invasion

Option B: Zone which can not be remineralized

Option C: Zone in which collagen is irreversibly denatured

Option D: Zone that need not be removed before restoration

Correct Answer: Zone that need not be removed before restoration


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Option A: Raw starch

Option B: Cooked starch

Option C: Sucrose

Option D: Fructose

Correct Answer: Raw starch


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Option A: Enamel cuticle

Option B: Interprismatic substance

Option C: Organic matrix

Option D: Enamel lamellae

Correct Answer: Interprismatic substance


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Option A: 4.3-4.5

Option B: 5.2-5.5

Option C: 4.9-5.1

Option D: 3.5-4.5

Correct Answer: 5.2-5.5


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Option A: Glucose

Option B: Sucrose

Option C: Dextran

Option D: Polysaccharide

Correct Answer: Sucrose


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Option A: Zone of sclerosis, decalcification zone, bacterial invasion

Option B: Bacterial invasion, decalcification zone, zone of sclerosis

Option C: Zone of sclerosis, backterial invasion, decalcification zone

Option D: Decalcification zone, zone of scierosis, backterial invasion

Correct Answer: Bacterial invasion, decalcification zone, zone of sclerosis


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Option A: Streptococcus agalactiae

Option B: Streptococcus mutans

Option C: Streptococcus bovis

Option D: Streptococcus anginosus

Correct Answer: Streptococcus mutans


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Option A: Selenium

Option B: Vanadium

Option C: Strontium

Option D: Molybdenum

Correct Answer: Selenium


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Option A: Does not diffuse through plaque

Option B: Is rapidly hydrolysed in the mouth

Option C: Enhances remineralisation

Option D: Raises the PH in the oral cavity

Correct Answer: Does not diffuse through plaque


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Option A: only 1

Option B: only 2

Option C: 1 and 3

Option D: All of the above

Correct Answer: only 1


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Option A: Fimbriae

Option B: Cilia

Option C: Flagella

Option D: Pseudopodia

Correct Answer: Fimbriae


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Option A: Physical form of sugar

Option B: Frequency of sugar intake

Option C: Ph of Plaque

Option D: Quantity of sugar intake

Correct Answer: Ph of Plaque


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Option A: Destructive potential of streptococcus mutans

Option B: Destructive potential of lactobacillus acidophilus

Option C: Lateral spread of caries along DE junction and weakening of the outer covering enamel

Option D: Mastectomy force and unrelated to the extent of carious process

Correct Answer: Lateral spread of caries along DE junction and weakening of the outer covering enamel


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Option A: Significant increase in number of oral bacteria

Option B: Shift towards more acidogenic microflora

Option C: Significant decrease in number of oral bacteria

Option D: Shift towards more aerobic microflora

Correct Answer: Shift towards more acidogenic microflora


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Option A: Streptococci

Option B: Lactobacilli

Option C: Veillonella

Option D: Bateroides

Correct Answer: Lactobacilli


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Option A: Microcosm

Option B: Pioneer bacteria

Option C: Advancing bacteria

Option D: Anaerobic bacteria

Correct Answer: Pioneer bacteria


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Option A: Rapid growth

Option B: Frequency of sucrose intake

Option C: Negligence in visiting the dentist

Option D: Carelessness in oral hygiene habits

Correct Answer: Frequency of sucrose intake


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Option A: Glucose

Option B: Fructose

Option C: Sucrose

Option D: Lactose

Correct Answer: Sucrose


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Option A: Exist regularly in the dental plaque

Option B: Produce extracellular amylopectins

Option C: Be lethal for gnotobiotic animals

Option D: Produce intracellular dextrans

Correct Answer: Exist regularly in the dental plaque


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Option A: Forms a gelatinous matrix

Option B: Metabolizes substrate from saliva

Option C: Derives energy from enamel constituents

Option D: Lives symbiolically with lactobacillus

Correct Answer: Forms a gelatinous matrix


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Option A: Maxillary 1st premolar

Option B: Maxillary 2nd molar

Option C: Mandibular 1st molar

Option D: Mandibular 2nd molar

Correct Answer: Mandibular 1st molar


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Option A: Base to base

Option B: Apex to base

Option C: Apex to apex

Option D: None of the above

Correct Answer: Apex to base


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Option A: Dental caries

Option B: Lichen planus

Option C: Herpes simplex

Option D: Syphilis

Correct Answer: Dental caries


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Option A: Actinomyces

Option B: Strep. mutans

Option C: Lactobacillus

Option D: Strep. viridans

Correct Answer: Strep. mutans


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Option A: S. Sarcinus

Option B: S. macae

Option C: S. sanguis

Option D: S. salivarius

Correct Answer: S. sanguis


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Option A: Proteolytic theory

Option B: Proteolytic chelation theory

Option C: Acidogenic theory

Option D: Autoimmune theory

Correct Answer: Acidogenic theory


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Option A: One

Option B: Two

Option C: Four

Option D: Five

Correct Answer: Five


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Option A: More than the patient with normal salivary flow

Option B: less than the patient with normal salivary flow

Option C: unaffected

Option D: None of the above

Correct Answer: More than the patient with normal salivary flow


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Option A: Mucopolysaccharide

Option B: Dextran-like glucan

Option C: Glycogen – like glucan

Option D: Amylopectin

Correct Answer: Dextran-like glucan


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Option A: Are the main causative agent

Option B: Can produce insoluble extracellular polysaccharides

Option C: Can attack to smooth enamel surfaces

Option D: Are secondary invaders

Correct Answer: Are secondary invaders


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Option A: Stage I

Option B: Stage II

Option C: Stage III

Option D: Stage IV

Correct Answer: Stage I


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Option A: Exophytic oral Hemangioma

Option B: Facial hematoma

Option C: Tramline calcification of dura on lateral cephalogram

Option D: Facial hemangioma

Correct Answer: Facial hematoma


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Option A: Lip

Option B: Gingiva

Option C: Tongue

Option D: Hard palate

Correct Answer: Lip


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