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

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

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

A child with rampant caries taking medicine with high quantity of sugar; the best way to help preventing caries is, A. Change sugar to sorbitol sweetener B. Report the patient is having expectorant C. Give him the syrup during sleep time D. Give him inverted sugar

Description : A child with rampant caries taking medicine with high quantity of sugar; the best way to help preventing caries is, A. Change sugar to sorbitol sweetener B. Report the patient is having expectorant C. Give him the syrup during sleep time D. Give him inverted sugar

Last Answer : A. Change sugar to sorbitol sweetener

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

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

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

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

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 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

A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces Levans frictions which are used by periodontal pathogens C. The streptococcus mutans cannot survive with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Description : A patient is resistant to caries but has a periodontal disease. In this case, sucrose in diet is important because: A. Sucrose is greatly involved in plaque development B. S. mutans produces ... with a continual supply of sucrose D. Existing plaque must continue to get sucrose in order to grow

Last Answer : A. Sucrose is greatly involved in plaque development

Assertion: Aptyalism patients have higher than normal incidences of dental caries. Reason: Aptyalism is caused by the action of parasympa- thetic nerv

Description : Assertion: Aptyalism patients have higher than normal incidences of dental caries. Reason: Aptyalism is caused by the action of parasympa- thetic nerv

Last Answer : Assertion: Aptyalism patients have higher than normal incidences of dental caries. Reason: ... the action of parasympa- thetic nervous system

What is not true about tobacco smoking: a. Redox potential favours growth of anaerobic bacteria. b. It is caries immuno-suppressive. c. It is adrenergic. d. Affects neutrophils and chemotactic factors.

Description : What is not true about tobacco smoking: a. Redox potential favours growth of anaerobic bacteria. b. It is caries immuno-suppressive. c. It is adrenergic. d. Affects neutrophils and chemotactic factors.

Last Answer : b. It is caries immuno-suppressive.

Community water fluoridation MOST effectively achieves: a. 90. 95% reduction of caries. b. 45. 55% reduction of caries. Esta se corrects si no tuviera la ultima opcion c. Reduces pit and fissures caries more than smooth surfaces. d. Reduces smooth surfaces more than pit and fissures.

Description : Community water fluoridation MOST effectively achieves: a. 90. 95% reduction of caries. b. 45. 55% reduction of caries. Esta se corrects si no tuviera la ultima opcion c. Reduces pit and fissures caries more than smooth surfaces. d. Reduces smooth surfaces more than pit and fissures.

Last Answer : d. Reduces smooth surfaces more than pit and fissures.

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 patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously inflamed B. Place ZOE dressing to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration

Description : A patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously ... to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration

Last Answer : B. Place ZOE dressing to sedate the pulp

What is NOT true about tobacco smoking: A. Redox potential favours growth of anaerobic bacteria B. It is caries immuno-suppressive C. It is adrenergic D. Affects neutrophils and chemotactic factors

Description : What is NOT true about tobacco smoking: A. Redox potential favours growth of anaerobic bacteria B. It is caries immuno-suppressive C. It is adrenergic D. Affects neutrophils and chemotactic factors

Last Answer : B. It is caries immuno-suppressive

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

Pit and fissure caries start at: A. bottom of the fissure B. walls of the fissure

Description : Pit and fissure caries start at: A. bottom of the fissure B. walls of the fissure

Last Answer : B. walls of the fissure

In regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop

Description : In regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop

Last Answer : A. The wider the gap the better the chance of secondary caries

What effect do fissure sealants have on caries progression: A. Reduce new caries and hamper the progress of freshly established caries B. Reduce new caries and hamper the progress of existing caries

Description : What effect do fissure sealants have on caries progression: A. Reduce new caries and hamper the progress of freshly established caries B. Reduce new caries and hamper the progress of existing caries

Last Answer : B. Reduce new caries and hamper the progress of existing caries

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

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

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

Bitewing x rays are taken to assist in the detection of caries :** A. Occlusally B. Lingually C. Buccally D. Gingivally E. Interproximally

Description : Bitewing x rays are taken to assist in the detection of caries :** A. Occlusally B. Lingually C. Buccally D. Gingivally E. Interproximally

Last Answer : E. Interproximally

Proximal caries on x-rays appears: A. Smaller than clinically seen B. Larger than clinically seen C. The same

Description : Proximal caries on x-rays appears: A. Smaller than clinically seen B. Larger than clinically seen C. The same

Last Answer : A. Smaller than clinically seen

Which of the following is NOT a complication of radiation to head and neck area:** A. Xerostomia B. Mucositis C. Increased caries D. Heightened taste sensation E. Increased risk of osteomyelitis

Description : Which of the following is NOT a complication of radiation to head and neck area:** A. Xerostomia B. Mucositis C. Increased caries D. Heightened taste sensation E. Increased risk of osteomyelitis

Last Answer : D. Heightened taste sensation

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

Community water fluoridation MOST effectively achieves is:** A. 90-95% reduction of caries B. 45-55% reduction of caries C. Reduces pit and fissures caries more than smooth surfaces D. Reduces smooth surfaces more than pit and fissures

Description : Community water fluoridation MOST effectively achieves is:** A. 90-95% reduction of caries B. 45-55% reduction of caries C. Reduces pit and fissures caries more than smooth surfaces D. Reduces smooth surfaces more than pit and fissures

Last Answer : D. Reduces smooth surfaces more than pit and fissures

Which of the following factors can affect the shape and size of the pulp canal: A. Chemical irritation and caries B. Trauma and function C. Attrition, wear and aging of the patient D. All of the above

Description : Which of the following factors can affect the shape and size of the pulp canal: A. Chemical irritation and caries B. Trauma and function C. Attrition, wear and aging of the patient D. All of the above

Last Answer : D. All of the above

The MOST common cause of gingiva irritation is: A. Calculus B. Plaque C. Caries D. Restorative material

Description : The MOST common cause of gingiva irritation is: A. Calculus B. Plaque C. Caries D. Restorative material

Last Answer : B. Plaque

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

If amalgam gets contaminated with moisture, the most uncommon result is:** A. Blister formation B. Post operative pain C. Secondary caries D. Lower compressive strength

Description : If amalgam gets contaminated with moisture, the most uncommon result is:** A. Blister formation B. Post operative pain C. Secondary caries D. Lower compressive strength

Last Answer : C. Secondary caries

Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam

Description : Caries which is close to the pulp chamber; on x rays you find ‘dens in dente’; the right treatment is: A. Zinc oxide eugenol cement and amalgam B. Pulpectomy C. Pulpotomy D. Calcium hydroxide on pulp and amalgam

Last Answer : B. Pulpectomy

Which one of following statement about Overdenture is not correct: A. Greater occlusal loads can be applied by the patient B. Retention and stability are generally better than with conventional complete denture C. Alveolar bone resorption is reduced D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

Description : Which one of following statement about Overdenture is not correct: A. Greater occlusal loads can be applied by the patient B. Retention and stability are generally better than with ... The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

Last Answer : D. The retained roots are covered by the denture thus protecting them from caries and periodontal diseases

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

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

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

Clinical /Proximal in some papers/ caries on radiographs are seen: M07************ A. Smaller than the real one B. Larger than the real one C. The same size

Description : Clinical /Proximal in some papers/ caries on radiographs are seen: M07************ A. Smaller than the real one B. Larger than the real one C. The same size

Last Answer : A. Smaller than the real one

.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

Typical features of Down’s syndrome (Mongolism) do not include: A. Multiple immunodeficiencies B. Sever caries but minimal periodontal disease C. Susceptibility to infections D. Multiple missing teeth and malocclusion E. Hepatitis B carriage in institutionalised patients

Description : Typical features of Down’s syndrome (Mongolism) do not include: A. Multiple immunodeficiencies B. Sever caries but minimal periodontal disease C. Susceptibility to infections D. Multiple missing teeth and malocclusion E. Hepatitis B carriage in institutionalised patients

Last Answer : B. Sever caries but minimal periodontal disease

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

Which of the following statement about the defective margins of amalgam restorations is true?+M07 A. The larger the breakdown, the greater the chance of decay. IF THERE IS MARGINAL BREAKDOWN THIS DOSNT NECESSITATE THE PRESENCE OF CARIES ALONG MARGIN So the ans is Chances are increased

Description : Which of the following statement about the defective margins of amalgam restorations is true?+M07 A. The larger the breakdown, the greater the chance of decay. IF THERE IS MARGINAL BREAKDOWN THIS DOSNT NECESSITATE THE PRESENCE OF CARIES ALONG MARGIN So the ans is Chances are increased

Last Answer : A. The larger the breakdown, the greater the chance of decay.

What is TRUE about Benzodiazepine and diazepam in 5-10mg oral dose used for oral sedation in dentistry: A. Good analgesic effect if given 1 hour prior to dental sessions B. Would be reversed by flumazepil because it is a Benzodiazepam C. Post operative headache D. There is a profound amnesic action and no side affects

Description : What is TRUE about Benzodiazepine and diazepam in 5-10mg oral dose used for oral sedation in dentistry: A. Good analgesic effect if given 1 hour prior to dental sessions B. Would be reversed ... Benzodiazepam C. Post operative headache D. There is a profound amnesic action and no side affects

Last Answer : B. Would be reversed by flumazepil because it is a Benzodiazepam

Herpetic infection is an iatrogenic infection spread by the infected’s: a. Serum. b. Vesicle. c. Vesicle fluid and saliva.

Description : Herpetic infection is an iatrogenic infection spread by the infected’s: a. Serum. b. Vesicle. c. Vesicle fluid and saliva.

Last Answer : c. Vesicle fluid and saliva.

The best storage media for avulsed tooth is, A. Saline B. Milk C. Water D. Saliva

Description : The best storage media for avulsed tooth is, A. Saline B. Milk C. Water D. Saliva

Last Answer : B. Milk

Herpetic infection is an iatrogenic infection spread by the infected’s: A. Serum B. Vesicle C. Vesicle fluid and saliva

Description : Herpetic infection is an iatrogenic infection spread by the infected’s: A. Serum B. Vesicle C. Vesicle fluid and saliva

Last Answer : C. Vesicle fluid and saliva

Which of the following is TRUE in regard to high risk patient?** A. 0.1ml of blood from Hepatitis B carrier is less infective than 0.1ml of blood from HIV patient B. 0.1ml of blood from Hepatitis B carrier is more infective than 0.1ml of blood from HIV patient C. Level of virus are similar in the blood and saliva of HIV patient D. Level of virus in the saliva is not significant for Hepatitis B patient E. The presence of Hepatitis B core Antigen in the blood means that active disease is not present

Description : Which of the following is TRUE in regard to high risk patient?** A. 0.1ml of blood from Hepatitis B carrier is less infective than 0.1ml of blood from HIV patient B. 0.1ml of blood from ... B patient E. The presence of Hepatitis B core Antigen in the blood means that active disease is not present

Last Answer : B carrier is more infective than 0.1ml of blood from HIV patient C. Level of virus are similar in the blood and saliva of HIV patient