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

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
by

1 Answer

Answer :

B. The intake of fluoride during the period of enamel mineralization and maturation
by

Related questions

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

Description : 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

Last Answer : D. Fluoroapatite

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

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

Last Answer : B. Dentine and cementum

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

During teeth eruption, the reduced enamel epithelium merges with the oral epithelium. What is the further development? A. Downgrowth of oral epithelium which replaces the reduced enamel epithelium B. Proliferation of inner enamel epithelium C. Proliferation of outer enamel epithelium D. Down growth of oral epithelium which undermines the reduced enamel epithelium E. Gradual transformation of the reduced enamel epithelium

Description : During teeth eruption, the reduced enamel epithelium merges with the oral epithelium. What is the further development? A. Downgrowth of oral epithelium which replaces the reduced enamel ... which undermines the reduced enamel epithelium E. Gradual transformation of the reduced enamel epithelium

Last Answer : E. Gradual transformation of the reduced enamel epithelium

.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

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

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically acceptable after treatment B. there will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. at least two third of the original alveolar process will remain for adequate periodontal support D. the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. the inter occlusal distance will be physiologically ... the aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. the inter occlusal distance will be physiologically acceptable after treatment

The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically acceptable after treatment B. There will be sufficient tooth bulk in the abutment teeth for proper retention of the crowns C. At least two third of the original alveolar process will remain for adequate periodontal support D. The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Description : The main factor controlling a decision to increase the occlusal height of teeth for extensive oral reconstruction is whether, A. The inter occlusal distance will be physiologically ... . The aesthetic appearance of the patient will improve sufficiently to warrant the planned reconstruction

Last Answer : A. The inter occlusal distance will be physiologically acceptable after treatment

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

Which is the right sequence of the histological stages of tooth development? M07 A. Initiation, proliferation, histodifferentiation, morphodifferentiation, mineralization B. Proliferation, initiation, histodifferentiation, morphodifferentiation, mineralization C. Proliferation, morphodifferentiation, histodifferentiation, mineralization D. Initiation, proliferation, morphodifferentiation, histodifferentiation, mineralization

Description : Which is the right sequence of the histological stages of tooth development? M07 A. Initiation, proliferation, histodifferentiation, morphodifferentiation, mineralization ... , mineralization D. Initiation, proliferation, morphodifferentiation, histodifferentiation, mineralization

Last Answer : A. Initiation, proliferation, histodifferentiation, morphodifferentiation, mineralization

Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Description : Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Last Answer : (3) Calcium phosphate Explanation: The protective layer around your teeth, called enamel, is the strongest substance that our body produces. In fact, tooth enamel is stronger than any other substance on earth except for diamonds.

.For a 5 years-old child who lives in a NON WATER FLUORIDATED area, what is the recommended supplemental intake of fluoride: A. 0.25mg B. 0.10mg C. 0.50mg D. 1.00mg

Description : .For a 5 years-old child who lives in a NON WATER FLUORIDATED area, what is the recommended supplemental intake of fluoride: A. 0.25mg B. 0.10mg C. 0.50mg D. 1.00mg

Last Answer : C. 0.50mg

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

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

Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most effective because demineralisation has already started C. Food that encourage the mastication will increase the number of lymphocytes in saliva and thus reduce decay D. Vigorous mastication will increase plaque PH and lead to reduce of decays E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Description : Which of the following is true in relation to dental decay? A. Foods that require vigorous mastication will increase salivary flow and reduce PH B. Tooth brushing immediately after meals is most ... E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

Last Answer : E. The Stephan Curve describes an increase in PH during a meal with resultant of demineralisation

As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve. c- Prophylactic prescription of dexamethasone will dramatically reduce post operative swelling. d- Inferior dental nerve injury is unlikely since the nerve passes medial to the wisdom tooth root. e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Description : As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual ... e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Last Answer : b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve.

As far as surgical removal of wisdom teeth is concerned, which of the following is true?**CHECK A. Prophylactic prescription of antibiotic reduces dramatically the chances of infection B. Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve ADC M07 C. Prophylactic prescription of dexamethasone will dramatically reduces post operative swelling D. Inferior dental nerve injury is unlikely since the nerve passes medial to the wisdom tooth root E. The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Description : As far as surgical removal of wisdom teeth is concerned, which of the following is true?**CHECK A. Prophylactic prescription of antibiotic reduces dramatically the chances of infection B. Raising ... root E. The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

Last Answer : C. Prophylactic prescription of dexamethasone will dramatically reduces post operative swelling

What is the affect of office dental prophylaxis of regular six month intervals on children’s oral health? A. Reduce caries incidence by approximately 30% B. Provide a long term improvement in oral hygiene C. Provide a short term improvement in oral hygiene D. Prevent gingivitis E. Reduce the need for patient cooperation

Description : What is the affect of office dental prophylaxis of regular six month intervals on children's oral health? A. Reduce caries incidence by approximately 30% B. Provide a long term improvement in ... term improvement in oral hygiene D. Prevent gingivitis E. Reduce the need for patient cooperation

Last Answer : C. Provide a short term improvement in oral hygiene

The concentration of Fluoride in the topical NaF A. 2% B. 5% C. 8% D. 10%

Description : The concentration of Fluoride in the topical NaF A. 2% B. 5% C. 8% D. 10%

Last Answer : B. 5%

On examination of a composite restoration you find a dark attain: A. Replace the composite B. Repair with unfilled resin C. Apply topical fluoride at the margin

Description : On examination of a composite restoration you find a dark attain: A. Replace the composite B. Repair with unfilled resin C. Apply topical fluoride at the margin

Last Answer : A. Replace the composite

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

What does not show in Cleidocranial dysplasia:** A. Defective formation of clavicles B. Delayed closure of fontanelles C. Retention of maxilla D. Delayed eruption of permanent teeth E. None of the above

Description : What does not show in Cleidocranial dysplasia:** A. Defective formation of clavicles B. Delayed closure of fontanelles C. Retention of maxilla D. Delayed eruption of permanent teeth E. None of the above

Last Answer : E. None of the above

The most common reason to refer a child to a pedodontist is problems with: A. Rampant caries B. Behaviour management C. Endodontic treatments in primary teeth D. Space maintainers

Description : The most common reason to refer a child to a pedodontist is problems with: A. Rampant caries B. Behaviour management C. Endodontic treatments in primary teeth D. Space maintainers

Last Answer : B. Behaviour management

For fissure and sealant treatment to be a part of the primary pretentive care: A. Place sealant on teeth which are at high risk of caries B. Place sealant on newly erupted teeth

Description : For fissure and sealant treatment to be a part of the primary pretentive care: A. Place sealant on teeth which are at high risk of caries B. Place sealant on newly erupted teeth

Last Answer : B. Place sealant on newly erupted teeth

The most common cause of caries in children is, A. Soft diet B. High intake of carbohydrate C. Poor oral hygiene

Description : The most common cause of caries in children is, A. Soft diet B. High intake of carbohydrate C. Poor oral hygiene

Last Answer : B. High intake of carbohydrate

A child consumes a toxic dose of fluoride. You will:** A. Induce vomiting B. Give a lot of fluids C. Give a lot of fluids and sodium bicarbonates D. Ask patient not to eat for 45 minutes E. Give milk, calcium tablets or magnesium tablets

Description : A child consumes a toxic dose of fluoride. You will:** A. Induce vomiting B. Give a lot of fluids C. Give a lot of fluids and sodium bicarbonates D. Ask patient not to eat for 45 minutes E. Give milk, calcium tablets or magnesium tablets

Last Answer : E. Give milk, calcium tablets or magnesium tablets

Which of the following anomalies occurs during the initiation and proliferation stages of tooth development A. Amelogenesis imperfecta (developmental defect) B. Dentinogenesis imperfecta (developmental defect) C. Enamel hypoplasia (AI type) D. Oligodontia E. Ankylosis

Description : Which of the following anomalies occurs during the initiation and proliferation stages of tooth development A. Amelogenesis imperfecta (developmental defect) B. Dentinogenesis imperfecta (developmental defect) C. Enamel hypoplasia (AI type) D. Oligodontia E. Ankylosis

Last Answer : D. Oligodontia

What is your management of a single retroclined upper incisor in a 9 years-old child with sufficient space: A. Anterior inclined plane on mandibular teeth B. Biteplane and protrusion screw C. Expansion screw D. Hawley appliance

Description : What is your management of a single retroclined upper incisor in a 9 years-old child with sufficient space: A. Anterior inclined plane on mandibular teeth B. Biteplane and protrusion screw C. Expansion screw D. Hawley appliance

Last Answer : A. Anterior inclined plane on mandibular teeth

The cervical finish line of a full veneer crown preparation should be placed: A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. Subgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core

Description : The cervical finish line of a full veneer crown preparation should be placed: A. Just supragingival whenever is possible B. According to the depth of gingival crevice C. Subgingival to reduce ability of recurrent caries D. At the junction of tooth and amalgam core

Last Answer : A. Just supragingival whenever is possible

The size of the pulp chamber within the tooth is influenced by: A. Age B. Parafunctional C. History of the tooth /abrasion, erosion, caries/ D. All of the above

Description : The size of the pulp chamber within the tooth is influenced by: A. Age B. Parafunctional C. History of the tooth /abrasion, erosion, caries/ D. All of the above

Last Answer : D. All of the above

An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Description : An upper deciduous molar has a caries exposure and on X ray the corresponding 2nd permanent premolar is absent. What treatment would you do to the deciduous tooth: A. Pulpotomy B. Endodontic treatment C. Pulp capping

Last Answer : B. Endodontic treatment

Transillumination is used to detect :** A. intrinsic tooth coloration B. caries C. Pulp-stones D. Hemorrhagic pulp E. Calculus

Description : Transillumination is used to detect :** A. intrinsic tooth coloration B. caries C. Pulp-stones D. Hemorrhagic pulp E. Calculus

Last Answer : B. caries

Dental caries of the proximal surfaces usually starts at, A. Somewhere between the ridge and the contact area B. Just gingival to contact areas C. Just about the gingival margin

Description : Dental caries of the proximal surfaces usually starts at, A. Somewhere between the ridge and the contact area B. Just gingival to contact areas C. Just about the gingival margin

Last Answer : B. Just gingival to contact areas

What is the MOST important role of saliva in preventing dental caries: A. Buffering action

Description : What is the MOST important role of saliva in preventing dental caries: A. Buffering action

Last Answer : A. Buffering action

Dental plaque produces: A. Chelation B. Dental caries C. Acids

Description : Dental plaque produces: A. Chelation B. Dental caries C. Acids

Last Answer : C. Acids

The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

Description : The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

Last Answer : A. The growing root

The percentage of fluoride present in dental enamel is (A) 0.01–0.02 (B) 0.05–0.10 (C) 0.15–0.20 (D) 0.20–0.40

Description : The percentage of fluoride present in dental enamel is (A) 0.01–0.02 (B) 0.05–0.10 (C) 0.15–0.20 (D) 0.20–0.40

Last Answer : Answer : A

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

Description : 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

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

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

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 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

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

Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain

Description : Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain

Last Answer : E. Produces extrinsic tooth stain

All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain

Description : All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain

Last Answer : E. It produces extrinsic tooth stain

A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. Synthesis of prostacyclin and prevents platelet aggregation C. Synthesis of prostaglandin and prevents production of blood platelets D. Thrombin and prevents formation of the fibrin network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Description : A patient who has been taking quantities of aspirin might show increased post operative bleeding because aspirin inhibits:** A. Synthesis of thromboxane A2 and prevents platelet aggregation B. ... network E. Increase the absorption of vitamin K and prevents synthesis of blood clotting factors

Last Answer : A. Synthesis of thromboxane A2 and prevents platelet aggregation

What is true about Angioneurotic oedema, A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth C. There is no caries, negative thermal tests, negative percussion and negative response to palpation

Description : What is true about Angioneurotic oedema, A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth C. There is no caries, negative thermal tests, negative percussion and negative response to palpation

Last Answer : A. Puffiness around the eyes, oedema of the upper lip with redness and dryness B. Caused by several deep restorations in the anterior teeth