S3

C. Priority determination

44. Select the method of imposing people's values and judgements of what is important in the raw data. A. Allocation B. Limited resources C. Priority determination D. Planning

a. Self-care motivational

A behavior that is learned by an individual and not merely transmitted by one person to another a. Self-care motivational b. Cognitive domain c. Contemporary community health d. Behavioral

C. gingival irritation leading to inflammation

A cervival overhang on a class II amalgam that has not been removed will result to ______ A. recurrent caries B. trauma and corrosion C. gingival irritation leading to inflammation D. food impaction

A. mean and standard deviation

A normal distribution curve depends on the A. mean and standard deviation B. mean and meridian C. mean and sample size D. range and sample size

C. Mechanical Bonding

A result of interface that involves undercuts and other irregularities that produces interlocking of the materials A. Physical Bonding B. Chemical Bonding C. Mechanical Bonding D. Physical/ Chemical Bonding

D. The specificity test is higher in population A

A screening test was used in the same way in smaller populations, but the proportion of false (+) result in population A is lower than in B. What would be the likely explanation for this A. The specifity test is lower in population A B. The prevalence of the disease is lower in Population A C. The prevalence of the disease is higher in Population A D. The specificity test is higher in population A

C. Test significance

A statistical test that indicates the chance or probability of an observed difference between two means occurring by chance is A. Mean B. Normalcy C. Test significance D. Ratio

B. A galvanic current caused by the gold restoration occluding with a large amalgam restoration

After cementation of a castt gold restoration, a patient complains of shooting pain every time the teeth come together. The most probable explanation is ________ A. leakage along the margins of the gold restoration B. A galvanic current caused by the gold restoration occluding with a large amalgam restoration C. premature contact of the restoration D. an allergic reaction to components of the gold restoration

A. All the permanent teeth present except the 3rd molars

An 8-year-old child lives in a community with a temperature climate where the drinking water has a fluoride concentration of 3ppm. What are the teeth that are affected? A. All the permanent teeth present except the 3rd molars B. Only the molars C. All the primary teeth present D. Incisors, canines, premolars and the 3rd molars

d. Embrasure form

An anatomical aspect of the tooth that offers protection to the underlying soft tissues during mastication, when too wide it provides little protection as food is forced into the interproximal space refers to the ____ a. Proximal contact areas b. Col c. Contour d. Embrasure form

d. 2⁄3

An endodontic post retaining a core should extend about ___ of the root length to provide optimum result. a. Full length b. 1⁄3 c. d. 2⁄3

d. increases

As the sample also decreases, standard deviation ___ a. May increase or decrease b. Decreases c. Remain the same d. increases

A. priority determination

Choose the method of imposing the people's values and judgment of what is important on the raw data. A. priority determination B. Allocation C. Limited resources D. Planning

A. remove the restoration and place a sedative temporary restoration

Following restoration with gold, the tooth became sensitive to pressure, cold and heat and the best course of action is to ________ A. remove the restoration and place a sedative temporary restoration B. Observe for two weeks, then decide what to do C. relieve the tooth from occlusal contact D. remove the restoration and do RCT

D. It determines population trends

For what reason is epidemiology useful? A. It determines policy decisions B. It establishes carriers of disease C. It establishes income patter D. It determines population trends

d. Resources

From which of the following does the concept, nature and implementation of Public Health Programs in the community depend on? a. Local Government units b. Politicians c. Programs d. Resources

b. Marginal ridges

In what area do most amalgam fracture occur? a. Gingival margins contact points b. Marginal ridges c. Isthmus d. Occlusal

D. To compare oral health status or population

In what purpose are indeces used? A. To implement health education B. To conduct intervention and retreatment C. To study insurance coverage D. To compare oral health status or population

B. 1, 2, 3, 4

Improved zinc oxide eugenol material serves as a good temporary restoration because it ___ 1. provides excellent marginal seal 2. has a therapeutic, pallative effect on the pulp 3. has a thermal insulation qualities similar to dentin 4. maintains position of the opposing and adjacent teeth A. 1, 2, 3 B. 1, 2, 3, 4 C. 1 D. 1, 2

b. 0.5

In a class II cavity preparation, how much clearance in mm is needed with the adjacent tooth to bring the margins to self-cleansing areas? a. 2.0 b. 0.5 c. 1.5 d. 1.0

D. 2 3

In a philosophical term, the issue about amalgam is ____ 1. Its toxicity to humans 2. Environmental protection 3. Improper disposal of contaminated waste A. 1 2 B 1 2 3 C. 1 D. 2 3

b. Examining the color changes or loss of translucency beneath marginal ridges

In diagnosing interproximal lesions (class II and class III) that cannot be explored directly, a good supplement to the radiograph is ___. a. Reviewing patient's history of caries activity b. Examining the color changes or loss of translucency beneath marginal ridges c. Examining the corresponding tooth in the occluding quadrant d. Preparing an adjacent occlusal surface and examining the exposed proximal DEJ

D. 15

In the total etch system, how many seconds should the acid etchant be applied A. 60 B. 20 C. 30 D. 15

a. The width of the blade in tenth of a mm

In three or four number formula for hand instruments, what does the first number represent? a. The width of the blade in tenth of a mm b. The height of the blade in tenths of a mm c. The height of the blade in degrees centigrade d. The width of the blade in degrees centigrade

a. Bacterial enzymes

Lactoperoxidase is a salivary antibacterial agent that catalysis the oxidation of salivary thiocyanate by hydrogen peroxide to the toxic molecule hypotiocynnate which activates ___ a. Bacterial enzymes b. Bacterial plaque c. Bacterial flora d. Lysozymes

d. Analytical studies

Observational studies designed specifically to examine the hypothesis developed is a result of descriptive studies is ______. a. Retrospective studies b. Prevalence studies c. Clinical studies d. Analytical studies

a. Full bevel

Preparing this type of bevel on the walls of the preparation for a cast restoration produces and inlay taper a. Full bevel b. Long bevel c. Half bevel d. Short bevel

c. Standard error of proportion

Square root if pq/n indicates the ____. a. Standard of error of difference of mean b. Standard error of mean c. Standard error of proportion d. Standard of error of difference in proportion

B. Both statements are TRUE

Statement I. Conventional amalgam sets by the reaction of Ag and Sn from Ag-Sn particles with mercury to produced two reaction product phases, Ah-Hg phase and Sn-Hg phase A. The first statement is FALSE while the second is correct B. Both statements are TRUE C. Both statements are FALSE D. The first statement is TRUE while the second statement is FALSE

D. Only the second statement is correct

Statement I. Enamel rods are usually perpendicular to the enamel surface Statement II. The strongest enamel margin results from a 90 degrees cavosurface margin or more Which of the ff options is correct ? A. Both statements are correct B. Both statements are incorrect C. Only the first statement is correct D. Only the second statement is correct

C. Both statements are INCORRECT

Statement I. The coefficient of the thermal expansion of amalgam is four times, that of the tooth structures Statement II. While that of composite is twice that of the tooth structures. Which of the ff options id CORRECT? A. The first statement is INCORRECT but the second is CORRECT B. Both statements are CORRECT C. Both statements are INCORRECT D. The first statement is CORRECT but the second is INCORRECT

d. Both statements are TRUE

Statement I. The purpose of dentin conditioning is NOT to dissolve enamel rods but to expose the collagen fibrils network where subsequently placed adhesive resin can intermesh with dentin conditioners. Statement II. Denting conditioners are phosphoric acids and maleic acids. Which of the following options is CORRECT? a. The first statement is FALSE while the second is TRUE b. Both statements are FALSE c. The first statement is TRUE while the second is FALSE d. Both statements are TRUE

D. hydrophobic characteristic

Susceptibility of amalgam restorations to marginal leakage is due to, ____ A. tarnish B. low tensile strength C. its conductivity D. hydrophobic characteristic

C. Reverse curve

The abrupt change in the direction at the bucco-proximal CSM done to gain resistance is __________ A. Z-curve B. standard curve C. Reverse curve D. M- curve

d. three

The basic instrument formula consists of ___ digits/units a. Six b. Five c. Four d. three

A. Silver

The component of amalgam alloy which is the highest percentage is ____ A. Silver B. Zinc C. Tin D. Copper

B. Central Pit

The distal and mesial walls of a class II cavity preparation is placed between the ridge and the ____ A. Central grooves B. Central Pit C. Lingual groove C. Buccal groove

c. Hypersensitivity

The effect of moisture contamination during amalgam condensation is ___ a. Tarnish b. Inability to polish c. Hypersensitivity d. Fracture

b. 1.23%

The effective fluoride concentration of APF if professionally applied is ___ a. 2.0% b. 1.23% c. 1.50% d. 6.0%

B. presence of unsupported enamel

The factor that will directly affect resistance form for the tooth tissue is A. beveled APLA B. presence of unsupported enamel C. Creation of a reverse curve D. plane cavosurface margin

b. Identification of the problem

The first technical step to research is ___ a. Consultation with a statistician b. Identification of the problem c. Review of literature d. Collection of date

D. extension onto root surface

The following are causes of post-operative sensitivity with amalgam restorations, EXCEPT __________ A. Voids B. lack of dentinal sealing C. lack adequate condensation, especially lateral condensation D. extension onto root surface

D. 1 2 3

The following are classifications of direct restorations techniques 1. Bulk fill 2. Horizontal incremental 3. Oblique incremental A. 2 3 B. 1 3 C. 1 2 D. 1 2 3

d. Axial

The following are external walls of a cavity preparation EXCEPT ____ a. Buccal b. Mesial c. Distal d. Axial

D. 32 - 64 mg/kg body wt

The lethal dose of fluoride for 70kg adult is A. 50-80 mg/kg body wt B 50 -60 mg/kg body wt C. 30 - 70 mg/kg body wt D. 32 - 64 mg/kg body wt

B. Patient's knowledge

The life span of a composite restoration depends on the following EXCEPT, _____ A. dentist skill B. Patient's knowledge C. nature and extent of caries D. treatment procedure

C. Interface line

The manifestation of two abutted restorations, each complished at a separate appointment in which, if other aspects of the abutted restorations are satisfactory, replacement is NOT necessary A. Fracture line B. Compound fracture C. Interface line D. Marginal erosion

D. agent, host, environment and time

The multifactorial theory of the etiology of dental caries includes A. agent, host, microorganism B. agent, host, environment C. cariogenic food, substrate, agent and host D. agent, host, environment and time

C. Incidence

The number of cases that fall at one point or range on a scale is termed as ____ A. Epidemic rate B. Frequency C. Incidence D. distribution

a. Linear coefficient of thermal expansion

The rate of dimensional change of a material per unit change in temperature refers to ___ a. Linear coefficient of thermal expansion b. Modulus of elasticity c. Water sorption d. Water absorption

b. 1.5

The reduction of the functional cusp for gold inlay is ___ mm a. 2.0 b. 1.5 c. 0.5 d. 1.0

C. Composite

The restoration of choice for incipient class V is A. Amalgam B. Glass ionomer cement C. Composite D. Silicate

d. GIC + Composite

The sandwich technique involves the placement of different materials between the tooth structure and the restoration which are CaOH and ___ a. Bonding agent + composite b. ZOE + Amalgam c. GIC as final restoration d. GIC + Composite

d. Total etch technique

The technique of etching enamel and dentin simultaneously is ___ a. Priming b. Microetching c. Enamel etching d. Total etch technique

C. Packable

The type of composite which is 48% - 65 % filled by volume and have an average particle size of 0.7 um - 2.0 um. It has an improved handling properties obtained by adding porous fillers, fibrous fillers and resin matrix A. Flowable B. Macrofilled C. Packable D. Microfilled

C. 1, 4, 5, 6

There are seven terminologies below. 1. Internal wall- prepared surface not extending to the external surface 2. Line angle - junction of 3 planar surfaces of different orientation 3. Axial Wall - internal wall perpendicular to the long axis of the tooth 4. Pulpal wall - internal wall perpendicular to the long axis of the tooth 5. Complex Cavity - preparation that involves 3 surfaces 6. Cavosurface margin - junction of a prepared cavity wall and the external surface of the tooth 7. MOD Preparation - a preparation that involves the entire cuspal area of a molar Which of these are CORRECT? A. 1, 2, 6, 7 B. 1, 4, 5, 7 C. 1, 4, 5, 6 D. 1, 3, 5, 7

a. Ecologic concept

This is a concept of health viewing it as a dynamic equilibrium between man and his environment a. Ecologic concept b. Biomedical concept c. Psychosocial concept d. Holistic concept

D. Early diagnosis and health promotion

This is a secondary level of prevention A. Disability limitation B. Rehabilitation C. Promotion and specific protection D. Early diagnosis and health promotion

C. To provide primary prevention

This is tje main responsibility of a Public Health Dentist A. To conduct oral health surveys B. To give lectures on Maternal Care C. To provide primary prevention D. To treat indigent patients

a. Varnish

This is used to prevent surface dehydration of silicate restorations? a. Varnish b. Cocoa butter c. Liners d. Eucalyptus oil

B. Descriptive statistics

This refers to summarizing a set of data by numbers. A. Arithmetical trial B. Descriptive statistics C. Evaluation D. Analysis

d. cluster

This type of sampling involves randomly selecting some of the pre-existing natural group. a. Sample random b. Systematic c. Quota d. cluster

A. Strong bonding agent

Tooth preparation for silicate cement requires the following principles, EXCEPT A. Strong bonding agent B. Conventional preparation C. Adequate depth D. Butt joint

D. Bar diagram

What is a histogram? A. Frequency polygon B. Line diagram C. Pie diagram D. Bar diagram

B. Snowball

What is a sampling method used to study "Hidden population"? A. Purposive B. Snowball C. Accidental D. Quota

A. Line diagram

What is the best diagram that will represent the correlation between the age and weigh of a child? A. Line diagram B. Bar diagram C. Scatter diagram D. Histogram

D. 7.0

What is the blade length in mm of an instrument with a formula of 10-7-15 A. A. 0.7 B. 1.5 C 10.0 D. 7.0

B. Converging

What is the correct orientation of the proximal box in relation to the occlusal surface in an amalgam class II preparation? A. Diverging B. Converging C. Either converging or diverging D. Neither converging nor diverging

c. Analysis

What is the first procedural pattern in public health? a. Survey b. Evaluation c. Analysis d. Program plans

c. 5

What is the index age group for deciduous teeth in years? a. 25-44 b. 65-74 c. 5 d. 12

a. Cleoid discoid

What is the instrument used principally in carving the occlusal anatomy of an unset amalgam restoration? a. Cleoid discoid b. Amalgam plugger c. Anatomical carver d. Amalgam burnisher

d. Extent of caries

What is the major consideration when preparing the outline form of a cavity preparation? a. Retention consideration b. Esthetic consideration c. Extension for prevention d. Extent of caries

D. Gamma one phase

What is the matrix phase of amalgam which binds the unconsumed alloy particles together and has intermediate corrosive resistance A. AG3 Sn phase B. Gamma phase C. Gamma two phase D. Gamma one phase

b. Inadequate proximal retention/ resistance form

What is the most probable cause of fracture of the proximal portion of DO amalgam restoration a week after placement is? a. Insufficient occlusal depth b. Inadequate proximal retention/ resistance form c. Lack of dovetail resistance form d. The isthmus is too narrow

b. Pathogenesis

What is the phase of host-agent interaction in the natural history of a disease a. Incubation b. Pathogenesis c. Pathology d. Pathosis

B. Application of a sodium fluoride paste

What is the treatment of choice for a hypersensitive erosion? A. Treatment with an orthophosphoric acid and apply resin B. Application of a sodium fluoride paste C. Placement of a glass ionomer restoration D. Burnish sodium metaphosphate into the dentin

B. The restoration that will provide the best protection for the remaining vital tissues

What is the treatment of choice for an endodontically treated tooth? A. Post and core restoration B. The restoration that will provide the best protection for the remaining vital tissues C. Full veneer crown restoration D. Depends on the amount of coronal structure left

C. Observation

What is the tx of choice for a class V arrested dentinal caries on the palatal of maxillary molar which is asymptomatic A. Restore with composite B. Restore with GIC C. Observation D. Restore woth RMGIC

B. Endemic

What is the usual low level of disease found within a population? A. Pandemic B. Endemic C. Sporadic D. Epidemic

C. One restoration is placed first, finished and polished before the next restoration is placed

What should be done when placing the restoration for a kissing class III? A. The restorations are placed separately but finished and polished simultaneously B. The restorations are placed, finished and polished simultaneously C. One restoration is placed first, finished and polished before the next restoration is placed D. The restorations are placed, finished and polished separately

D. The walls of the preparation are made convergent

When preparing a cavity for an inlay, which of the ff should NOT be avoided? A. The walls of the preparation are made parallel to each other B. The depth should be 3.0 mm C. The margins of the preparation are beveled D. The walls of the preparation are made convergent

a. Middle third of the proximal surface with the lingual embrasure greater than the facial embrasure

Where should the contact area of the distal surface of a maxillary first premolar be placed? a. Middle third of the proximal surface with the lingual embrasure greater than the facial embrasure b. Occlusal third of the proximal surface with the facial embrasure greater than the lingual embrasure c. Occlusal third of the proximal surface with the facial and lingual embrasure equal d. Occlusal third of the proximal surface with the lingual embrasure greater than the facial embrasure

C. 1 2

Which of the ff are functions of a primer? 1. It enhances wettability 2. It helps in the penetration of resin to the demineralized dentin 3. It removes the smear layer 4. It chases moisture A. 1 2 4 B. 2 3 4 C. 1 2 D. 1 2 3

B. 1, 2, 3

Which of the ff factors affect the color of the tooth 1. Underlying dentin 2. Thickness of the enamel 3. Amount of stains in the enamel A. 1, 2 B. 1, 2, 3 C. 1, 3 D. 1

D. If two separate cavities are to be prepared, the oblique ridge wall of both cavities should form a 90 degrees angle with the pulpal wall

Which of the ff is NOT a characteristic of a class II cavity in a maxillary molar for amalgam? A. The occlusal outline should form a gentle curve with no sharp angles and the margins should be located in a clean and smooth enamel on the tooth surface B. The buccal and lingual walls of both the proximal and occlusal box should converge occlusally C. The dovetail is made parallel to the marginal ridge to prevent weakening of the stress bearing area D. If two separate cavities are to be prepared, the oblique ridge wall of both cavities should form a 90 degrees angle with the pulpal wall

B. Tooth extraction

Which of the ff is NOT a preventive service provided by a dentist? A. Plaque control measure B. Tooth extraction C. Dental caries activity test D. Diet counseling

. Age

Which of the ff is not a risk factor of oral cancer A. UV ray exposure B. Age C. Smoking D. Family history

C. The prognosis of the indirect pulp capping treatment is poor

Which of the ff statements about indirect pulp capping is FALSE? A. A liner is generally recommended in the excavation B. The clinician should wait for 6 to 8 weeks before re-entry C. The prognosis of the indirect pulp capping treatment is poor D. Some leathery caries may be left in the preparation

A. Liquid etchant is more effective that gel etchant

Which of the ff statements is INCORRECT with regards to acid etchants? A. Liquid etchant is more effective that gel etchant B. Etching is done for 15 seconds C. Gel etchant is easier to control that liquid etchant D. Liquid etchant is preferred when performing pit/fissure sealants

d. Sample must be small

Which of the following conditions must be met for a valid student "t" test between means of two groups? a. Standard deviation must be approximately the name b. Number of observation must be the same c. Mean should be approximately the same d. Sample must be small

A. Zinc Oxide Eugenol

Which of the following dental cement should NOT be used with composite resin because it inhibits the polymerization of the composite resin? A. Zinc Oxide Eugenol B. Polycarboxylate C. Calcium Hydroxide D. Zinc Phosphate

D. Pie diagram

Which of the following diagram is used to show the percentage breakdown for qualitative data? A. Cartogram B. Bar diagram C. Histogram D. Pie diagram

b. Pathogenesis

Which of the following is NOT a primary preventive measure provided by the community? a. School sealant program b. Fluoride supplement program c. Fluoride mouth rinsing program d. Pit and fissure sealant application

c. Photocurable

Which of the following is NOT an essential element of a glass ionomer cement? a. Ion exchange adhesion b. Acid-base action c. Photocurable d. Continues ion activity

b. I, II

Which of the following statement/s is/are considered when drilling a pin hole? i. The hole is made parallel to the external surface of the tooth ii. The hole is placed away from furcation area iii. The hole is aligned to the long axis of the tooth a. I, II, III b. I, II c. I d. II

A. Glass ionomers are somewhat esthetic and polish much better than composites

Which of the following statements is NOT TRUE with regards to glass ionomer restorations? A. Glass ionomers are somewhat esthetic and polish much better than composites B. The best surface finish for a glass ionomer restoration is that obtained against a surface matrix C. Glass ionomers are often the ideal material of choice for restoring root surface caries in patients with high caries index D. Glass ionomers adhere to mineralized tooth tissue

B. Out of occlusion with opposing

Which of the following statements is NOT true about class II amalgam restoration after carving A. Reproduce the sliceways in the region of the marginal ridges B. Out of occlusion with opposing C. Marginal ridges at same level with the adjacent tooth D. Restore contact with the adjacent tooth

C. Disclosing Dye

Which of the following tests is NOT a caries susceotibility test? A. Salivary pH B. Synder's C. Disclosing Dye D. Lactobacillus

B. line angles reduce the concentration of stress

Which statement is FALSE regarding line angles? A. Line angles should be slightly rounded B. line angles reduce the concentration of stress C. Extension for prevention D. Line angles should be defined

b. To significantly reduce the necessity of extensive tooth preparation

With regards to extension for prevention, which of the following is NOT correct? a. Carious enamel/ dentin are removed b. To significantly reduce the necessity of extensive tooth preparation c. Placing the margins of the cavity away from the contact areas d. Undermined, unsupported enamel and dentin are removed