Using fluoride in the root surface caries is to protect, A. Enamel B. Dentine and cementum C. Cuticle

Using fluoride in the root surface caries is to protect,
A. Enamel  
B. Dentine and cementum
C. Cuticle
by

1 Answer

Answer :

B. Dentine and cementum
by

Related questions

Which is the only dental tissue that loses its formative cells as it matures: A. Enamel B. Dentine C. Pulp D. Cementum

Description : Which is the only dental tissue that loses its formative cells as it matures: A. Enamel B. Dentine C. Pulp D. Cementum

Last Answer : A. Enamel

The final deposition of ameloblasts occurs in:** A. Primary enamel cuticle B. Secondary enamel cuticle C. Acquired enamel cuticle D. Cementum

Description : The final deposition of ameloblasts occurs in:** A. Primary enamel cuticle B. Secondary enamel cuticle C. Acquired enamel cuticle D. Cementum

Last Answer : A. Primary enamel cuticle

Which of the following statements is true: A. Last secretion of odontoblast forms cementum B. Last secretion of odontoblast forms acquired enamel cuticle C. Remnants of ameloblasts form primary enamel cuticle D. Remnants of odontoblasts form primary enamel cuticle

Description : Which of the following statements is true: A. Last secretion of odontoblast forms cementum B. Last secretion of odontoblast forms acquired enamel cuticle C. Remnants of ameloblasts form primary enamel cuticle D. Remnants of odontoblasts form primary enamel cuticle

Last Answer : C. Remnants of ameloblasts form primary enamel cuticle

Which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum X C. The last secretion of the ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Description : Which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum X C. The ... ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Last Answer : A. The remnants of Ameloblast contribute to the primary enamel cuticle

which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum C. The last secretion of the ameloblast is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Description : which one of the following statement is correct, A. The remnants of Ameloblast contribute to the primary enamel cuticle B. the last secretion of the odontoblast is cementum C. The last ... is the acquired of enamel cuticle D. The remnants of odontoblast form the primary enamel cuticle

Last Answer : A. The remnants of Ameloblast contribute to the primary enamel cuticle

Two conditions of enamel facilitate the post eruptive uptake of fluoride: A. Hyper mineralisation and surface dentine B. Surface demineralisation and hypo mineralisation C. Dental fluorosis and enamel opacities

Description : Two conditions of enamel facilitate the post eruptive uptake of fluoride: A. Hyper mineralisation and surface dentine B. Surface demineralisation and hypo mineralisation C. Dental fluorosis and enamel opacities

Last Answer : B. Surface demineralisation and hypo mineralisation

for dental caries to progress in dentine, A. the dentine must contain soluble collagen B. enamel must contain glycoproteins C. diet must contain simple carbohydrate D. diet must contain polysaccharides E. pulp must contain complement

Description : for dental caries to progress in dentine, A. the dentine must contain soluble collagen B. enamel must contain glycoproteins C. diet must contain simple carbohydrate D. diet must contain polysaccharides E. pulp must contain complement

Last Answer : C. diet must contain simple carbohydrate

For dental caries to progress in dentine, A. The dentine must contain soluble collagen B. Enamel must contain glycoproteins C. Diet must contain simple carbohydrate D. Diet must contain polysaccharides E. Pulp must contain complement

Description : For dental caries to progress in dentine, A. The dentine must contain soluble collagen B. Enamel must contain glycoproteins C. Diet must contain simple carbohydrate D. Diet must contain polysaccharides E. Pulp must contain complement

Last Answer : C. Diet must contain simple carbohydrate

Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The intake of fluoride during the period of enamel mineralization and maturation C. Periodic topical fluoride application by dental health care following tooth eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Description : Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The ... eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

Last Answer : B. The intake of fluoride during the period of enamel mineralization and maturation

Which of the following is a radiographic feature of dentino-genesis imperfecta: A. Small pulp chambers and root canals, normal enamel B. Enamel is missing but dentine formation is normal C. Enamel and dentine show disturbances D. Pulp is normal but dentine is abnormal

Description : Which of the following is a radiographic feature of dentino-genesis imperfecta: A. Small pulp chambers and root canals, normal enamel B. Enamel is missing but dentine formation is normal C. Enamel and dentine show disturbances D. Pulp is normal but dentine is abnormal

Last Answer : A. Small pulp chambers and root canals, normal enamel

The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Description : The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour

Last Answer : A. Perpendicular to the outer surface of the tooth

Recession of gingiva of several anterior teeth caused by exposure and softened cementum; what would you do? A. Scrap the soften cementum and apply fluoride B. Scrap the soften cementum and use GIC C. Class V amalgam

Description : Recession of gingiva of several anterior teeth caused by exposure and softened cementum; what would you do? A. Scrap the soften cementum and apply fluoride B. Scrap the soften cementum and use GIC C. Class V amalgam

Last Answer : B. Scrap the soften cementum and use GIC

.Fluoridation is the adjustment of the fluoride content of a community water supply to optimum levels for caries prevention. Which of the following statement is correct? A. Tooth decay declines by 90% to 95% B. Tooth decay declines by 45% to 55% C. Greater reduction in smooth surface caries from in pit and fissures D. Fluoridation increases vulnerability to osteoporosis

Description : .Fluoridation is the adjustment of the fluoride content of a community water supply to optimum levels for caries prevention. Which of the following statement is correct? A. Tooth decay ... in smooth surface caries from in pit and fissures D. Fluoridation increases vulnerability to osteoporosis

Last Answer : C. Greater reduction in smooth surface caries from in pit and fissures

Which of the following would be ONE possible indication for indirect pulp capping?*** A. Where any further excavation of dentine would result in pulp exposure. B. Removal of caries has exposed the pulp C. When carious lesion has just penetrated DEJ

Description : Which of the following would be ONE possible indication for indirect pulp capping?*** A. Where any further excavation of dentine would result in pulp exposure. B. Removal of caries has exposed the pulp C. When carious lesion has just penetrated DEJ

Last Answer : A. Where any further excavation of dentine would result in pulp exposure.

What is the sequence from superficial to the deepest in dentine caries?* A. Zone of bacterial penetration, demineralisation, sclerosis, reparative dentine B. Zone of bacterial penetration, reparative dentine, demineralisation, sclerosis. C. Zone of bacterial penetration, sclerosis, reparative dentine, demineralisation.

Description : What is the sequence from superficial to the deepest in dentine caries?* A. Zone of bacterial penetration, demineralisation, sclerosis, reparative dentine B. Zone of bacterial ... demineralisation, sclerosis. C. Zone of bacterial penetration, sclerosis, reparative dentine, demineralisation.

Last Answer : A. Zone of bacterial penetration, demineralisation, sclerosis, reparative dentine

In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction

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Last Answer : D. Extend cavity just beyond dento enamel junction

While you finish a class I cavity, the enamel is sound but you notice a brown line in the dentine and on the Dento-enamel junction, what is your response, A. You leave it and complete the final restoration B. You extend your preparation and clean it C. You apply a cover of varnish

Description : While you finish a class I cavity, the enamel is sound but you notice a brown line in the dentine and on the Dento-enamel junction, what is your response, A. You leave it and complete the final restoration B. You extend your preparation and clean it C. You apply a cover of varnish

Last Answer : B. You extend your preparation and clean it

Acid conditioning of enamel and eroded dentine: A. Provides an none traumatic, conservative clinical approach to the bonding of restorative material B. Is a traumatic approach to bonding materials C. Is not a safe and simple method of bonding D. Bonding fails to produce a highly significant retention and good marginal integrity and clinical durability E. None of the above

Description : Acid conditioning of enamel and eroded dentine: A. Provides an none traumatic, conservative clinical approach to the bonding of restorative material B. Is a traumatic approach to bonding ... highly significant retention and good marginal integrity and clinical durability E. None of the above

Last Answer : A. Provides an none traumatic, conservative clinical approach to the bonding of restorative material

Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above

Description : Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above

Last Answer : E. All of the above

The minimal labial tooth reduction for satisfactory aesthetics with porcelain fused to metal crown is, A. 1mm B. The full thickness of enamel C. 1.5 mm D. 2.5mm E. One third of the dentine thickness

Description : The minimal labial tooth reduction for satisfactory aesthetics with porcelain fused to metal crown is, A. 1mm B. The full thickness of enamel C. 1.5 mm D. 2.5mm E. One third of the dentine thickness

Last Answer : C. 1.5 mm

For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine

Description : For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine

Last Answer : A. Avoid buccal pulp horn

The gingiva of a child is diagnosed on the basis of all of these except of: A. Contour of gingival papilla B. Sulcus depth C. Contour of Nasmyth membrane (nasmyth description of the membrane is unclear that's why the term enamel cuticle is preferred D. Tight filling of gingival collar

Description : The gingiva of a child is diagnosed on the basis of all of these except of: A. Contour of gingival papilla B. Sulcus depth C. Contour of Nasmyth membrane (nasmyth description of the membrane is unclear that's why the term enamel cuticle is preferred D. Tight filling of gingival collar

Last Answer : C. Contour of Nasmyth membrane (nasmyth description of the membrane is unclear that's why the term enamel cuticle is preferred

Several applications have been suggested to increase the effectiveness of prophylactic application of topical fluoride which include all EXCEPT: A. Increase Fluoride ions in solution “increase concentration” B. Increase PH of fluoride C. Increase exposure time to topical fluoride D. Pre-treat enamel with 0.5% phosphoric acid E. Use NH4F instead of NaF

Description : Several applications have been suggested to increase the effectiveness of prophylactic application of topical fluoride which include all EXCEPT: A. Increase Fluoride ions in solution increase concentration B. Increase ... D. Pre-treat enamel with 0.5% phosphoric acid E. Use NH4F instead of NaF

Last Answer : B. Increase PH of fluoride

Several approaches have been suggested to increase the fixation of professionally applied topical fluoride, which of the following statements IS INCORRECT regarding increasing the fixation? A. Increase concentration of fluoride in solutions B. Raise the PH of the fluoride solution C. Increase the exposure time to topical fluoride D. Pre-treat the enamel with 0.5% phosphoric acid E. Use NH4F rather than NaF at a lower PH

Description : Several approaches have been suggested to increase the fixation of professionally applied topical fluoride, which of the following statements IS INCORRECT regarding increasing the fixation? A. Increase concentration of ... with 0.5% phosphoric acid E. Use NH4F rather than NaF at a lower PH

Last Answer : B. Raise the PH of the fluoride solution

When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite

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Last Answer : D. Fluoroapatite

Two central incisors on a radiograph are showing with what looks like eye drop radiolucency. You decided to start endodontic treatment on these teeth but when you tried to open access to the root canal you find clearly closed orifices with what look like secondary dentine. What is your initial management? A. Leave as it and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

Description : Two central incisors on a radiograph are showing with what looks like eye drop radiolucency. You decided to start endodontic treatment on these teeth but when you tried to open access to the root ... and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

Last Answer : C. Try to ream and file canals

What is the main function of EDTA in endodontics? A. Decalcification of dentine B. Cleaning debris from root canal

Description : What is the main function of EDTA in endodontics? A. Decalcification of dentine B. Cleaning debris from root canal

Last Answer : A. Decalcification of dentine

When is a gingival groove LEAST required: A. When restoring with GIC for abrasion B. When restoring with GIC for root caries C. When restoring with GIC base and composite lamination D. When restoring with amalgam

Description : When is a gingival groove LEAST required: A. When restoring with GIC for abrasion B. When restoring with GIC for root caries C. When restoring with GIC base and composite lamination D. When restoring with amalgam

Last Answer : C. When restoring with GIC base and composite lamination

Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. S. mutans concentration of 105 organism/ml C. A plaque sample containing 5% S. mutans D. A lactobacilli concentration of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence

Description : Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. ... of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence

Last Answer : E. Salivary buffering PH 5.5

A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown can BEST be achieved by: A. Hand burnishing B. Mechanical burnishing C. Using finishing burs and points to remove the enamel margins on the tooth D. Making a new impression and remaking the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Description : A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown ... the crown E. Relieving the inside of the occlusal surface of the casting to allow for further

Last Answer : D. Making a new impression and remaking the crown

The percentage of total dentine surface / dentinal tubules 0.5mm away from pulp is,** A. 20% B. 50%

Description : The percentage of total dentine surface / dentinal tubules 0.5mm away from pulp is,** A. 20% B. 50%

Last Answer : B. 50%

What does enamel cover? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Description : What does enamel cover? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Last Answer : (1) Crown of the tooth Explanation: The basic unit of enamel is called an enamel rod which is a tightly packed mass of hydroxyapatite crystals in an organized pattern. In cross section, it is best compared ... the crown of the tooth, and the bottom, or tail, oriented toward the root of the tooth.

What does enamel cover ? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Description : What does enamel cover ? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin

Last Answer : Crown of the tooth

Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath

Description : Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath

Last Answer : C. Epithelium trapped after sutures

The most desirable outcome of endodontic treatment is, A. The healing of the alveolar bone B. The deposition of cementum at the apex C. Formation of fibrous capsule around the apex

Description : The most desirable outcome of endodontic treatment is, A. The healing of the alveolar bone B. The deposition of cementum at the apex C. Formation of fibrous capsule around the apex

Last Answer : B. The deposition of cementum at the apex

Chronic inflammatory periodontal diseases originate in: A. The marginal gingiva B. The crystal alveolar bone C. The cervical cementum

Description : Chronic inflammatory periodontal diseases originate in: A. The marginal gingiva B. The crystal alveolar bone C. The cervical cementum

Last Answer : B. The crystal alveolar bone

The major cause of jacket crown breakage is, A. Inclusion of platinum foil B. Use of weak cementum C. Voids of porcelain D. Porcelain is thinner than 1mm

Description : The major cause of jacket crown breakage is, A. Inclusion of platinum foil B. Use of weak cementum C. Voids of porcelain D. Porcelain is thinner than 1mm

Last Answer : D. Porcelain is thinner than 1mm

Good oral hygiene and fluoridation is LEAST useful in preventing caries of: A. Pit and fissure B. Smooth surface C. Inaccessible areas

Description : Good oral hygiene and fluoridation is LEAST useful in preventing caries of: A. Pit and fissure B. Smooth surface C. Inaccessible areas

Last Answer : A. Pit and fissure

The main purpose of finishing the enamel walls is, A. Remove loose enamel rods B. Provide a better surface for the adoption of restorative material The main purpose of finishing the enamel walls is, A. Remove loose enamel rods B. Provide a better surface for the adoption of restorative material

Description : The main purpose of finishing the enamel walls is, A. Remove loose enamel rods B. Provide a better surface for the adoption of restorative material

Last Answer : A. Remove loose enamel rods

Why do you itch enamel for composite restorations: A. To increase surface area B. To decrease surface area C. Does not really change the surface area D. Increase the chemical bonding capability E. Decrease the chemical bonding capability

Description : Why do you itch enamel for composite restorations: A. To increase surface area B. To decrease surface area C. Does not really change the surface area D. Increase the chemical bonding capability E. Decrease the chemical bonding capability

Last Answer : A. To increase surface area

Hypoplasia as seen in x rays:** A. Thick enamel surface B. Thin enamel surface C. Sometimes large pulp chamber D. Can not be detected on X rays

Description : Hypoplasia as seen in x rays:** A. Thick enamel surface B. Thin enamel surface C. Sometimes large pulp chamber D. Can not be detected on X rays

Last Answer : D. Can not be detected on X rays

The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Description : The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched

Last Answer : C. The chemical and physical nature of the tooth

In regard to the enamel surface: A. It is a perfect substance for bonding B. It does not conform to the bonding requirements C. It is the most inorganic, rough part D. It is free from contamination and roughness E. None of the above

Description : In regard to the enamel surface: A. It is a perfect substance for bonding B. It does not conform to the bonding requirements C. It is the most inorganic, rough part D. It is free from contamination and roughness E. None of the above

Last Answer : B. It does not conform to the bonding requirements

When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Description : When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins

Last Answer : B. Remake a new crown

The difference between deciduous and permanent teeth is: A. Deciduous teeth have a higher pulp horns and larger pulp chambers B. Deciduous teeth have flatter contact areas C. Deciduous teeth have thinner enamel surface D. All of the above

Description : The difference between deciduous and permanent teeth is: A. Deciduous teeth have a higher pulp horns and larger pulp chambers B. Deciduous teeth have flatter contact areas C. Deciduous teeth have thinner enamel surface D. All of the above

Last Answer : D. All of the above

The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent encroachment on the lingual pulp horn IV. Maintain dentinal support of the lingual cusp A. I and II B. I and III C. II and IV D. III and IV E. IV only

Description : The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent ... and II B. I and III C. II and IV D. III and IV E. IV only

Last Answer : C. II and IV

Which of the following is the hardest substance in the human body? (1) Bone (2) Enamel (3) Dentine (4) Nail

Description : Which of the following is the hardest substance in the human body? (1) Bone (2) Enamel (3) Dentine (4) Nail

Last Answer : (2) Enamel Explanation: Tooth enamel, along with dentin, cementum, and dental pulp is one of the four major tissues that make up the tooth in vertebrates. It is the hardest and most highly mineralized substance in the human body. It has approximately 95% calcium concentration.

Main part of tooth is (a) Enamel (b) Dentine (c) Pulp (d) None

Description : Main part of tooth is (a) Enamel (b) Dentine (c) Pulp (d) None

Last Answer : (b) Dentine