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: What is the EXCEPTION to the 5 principles of the ADA Principles of Ethics and Code of Professional Conduct? A- Nonmaleficence B- Competency C- Justice D- Veracity

B- Competency

: A patient on intravenously administered bisphosphonate therapy for 2 years has caious and non-restorable anterior teeth. Which is the best treatment option? A- Surgical extraction with primary closure B- Endodontic therapy of retained roots C- Discontinue bisphosphonates for 3 months before extraction D- Surgical extraction, alveoloplasty, and primary closure

B- Endodontic therapy of retained roots

Which of the following is LEAST important in determining the outline form a class III composite restoration? A- Convenience for access B- Extension for prevention C- Size, shape, and location of caries D- Esthetics

B- Extension for prevention

: Which of the following represents the dentist primary responsibility when caring for the elderly dental patient? A- Speak slowly and simply to the patient B- Involve a caretaker/surrogate in decision making C- Provide long appointments so the patient will have to travel less often

B- Involve a caretaker/surrogate in decision making

Which of the following is NOT correct concerning informed consent? A- It must be obtained in advance of treatment B- It must be in writing C- It must include risks, benefits, and complications D- It must include treatment options

B- It must be in writing

: Which finding would most likely suggest a non-odontogenic toothache? A- Pain intensified by heat B- Local anesthesia does not eliminate pain C- Dull, aching, throbbing pain D- Pain intensity changing over time

B- Local anesthesia does not eliminate pain

An articulating paper mark on the lingual incline of the buccal cusp of the mandibular molar represents which type of interference? A- Working B- Non-working C- Protrusive D- Retrusive

B- Non-working

: Which of the following refers to a decreased occlusal vertical dimension? A- Vertical dimension that leaves the teeth in a clenched, closed relation in normal position B- Occluding vertical dimension that results in a excessive interocclusal clearance when the mandible is in rest position C- Insufficient amount of interarch distance because of the bony ridges D- Condition in which the patient cannot open mandible because of temporomandibular joint pathology

B- Occluding vertical dimension that results in a excessive interocclusal clearance when the mandible is in rest position

: During an extraction under sedation, the patient aspirates the crown of the tooth. Where would the crown most likely appear on a chest x-ray? A- Esophagus B- Right bronchus C- Left bronchus D- Infundibulum

B- Right bronchus

A person best exemplifies active listening by doing which of the following? A- Rephrasing the listener's understanding of the speaker's communication B- Using direct eye contact C- Gathering pertinent information from the speaker quickly and succinctly D- verifying that the speaker has heard what the listener has said

B- Using direct eye contact

Which form external root resorption is associated with pulpal necrosis? A- Inflamatory B- Replacement C- Surface D- Idiopathic

Inflamatory

Q7: Adrenal suppression may result from which of the following regimens of hydrocortisone? A- 20 mg for 2 weeks within 2 years B- 2 mg for 2 weeks within 2 years C- 10 mg for 1 week within 1 year D- 1 mg for 1 week within 1 year

20 mg for 2 weeks within 2 years

What is the maximum recommended dose of acetaminophen that can be prescribed in a 24 hour time period? A- 2.5 grams B- 3 grams C- 3.5 grams D- 4 grams

4 grams

A patient is complaining about bleeding and pain when they brush. Which is the most appropriate initial response to initiate the patient's oral health behavior change? A- "So you want healthy teeth and the gums but it hurts when you brush" B- "No pain no gain. You want the benefits of brushing but it hurts" C- "Keep brushing even if it hurts. You know you have to do it" D- "I'd to hear that you are brushing every day when you come back"

A- "So you want healthy teeth and the gums but it hurts when you brush"

: A new diagnostic test is evaluated against an independent "gold" standard" in 100 subjects with the following results: True positive = 48 True negative = 8 False positive = 12 False negative= 32 What is the negative predictive value of this new diagnostic test? A- 20 percent B- 40 percent C- 60 percent D- 80 percent

A- 20 percent TN/TN+FN *100% = 8/8+32*100%

Behcet disease has oral lesions which are most similar to which of the following A- Aphthous ulcers B- Candidiasis C- Herpangina D- Herpes zoster

A- Aphthous ulcers

A dentist administered a survey to patients to determine their satisfaction with practice characteristics and services provided. The survey was administered to patients seen during 1 month. Which type of study design was used by the dentist? A- Cross-sectional B- Cohort C- Case control D- Clinical trial

A- Cross-sectional

: Gastric regurgitation causes which of the following in the teeth? A- Erosion B- Abrasion C- Attrition D- Abfraction

A- Erosion

A protrusive jaw relation record is made in order to set the A- Horizontal condylar inclination of the articulator B- Anterior guide table of the articulator C- Lateral condylar guidance of the articulator D- Lateral translation of the articulator

A- Horizontal condylar inclination of the articulator

Stridor is diagnostic for A- Laringospasm B- Bronchospasm C- Hypotension D- Hypothermia

A- Laringospasm

Which of the following clinical entities is most likely to be misdiagnosed as an endodontic lesion? A- Lateral periodontal cyst B- Periodontal abscess C- Tori or exostoses D- Gingival cyst

A- Lateral periodontal cyst

Which of the following conditions is most often characterized by a painful response that subsides quickly with stimulus A- Normal pulp B- Nonvital pulp C- Reversible pulpitis D- Symptomatic irreversible pulpitis

A- Normal pulp

: 40-year- old patient has 32 unrestored teeth. The only defects are deep-stained grooves in posterior teeth. The grooves are uncoalesced. What is the treatment of choice? A- Periodic observation B- Pit and fissure sealant C- Preventive resin restoration D- Application of topical fluoride

A- Periodic observation

A 9 year old presents with acute gingival pain of four days duration. There are small, round ulcers on the interproximal gingival and buccal mucosa. Which of the following is the most likely diagnosis? A- Primary herpetic gingivostomatitis B- Necrotizing ulcerative gingivitis C- Apthous stomatitis D- Gingival abscess

A- Primary herpetic gingivostomatitis

: What is the most likely pulpal diagnosis for a primary molar with deep caries and a history of transient cold sensitivity with an intact periodontal ligament space on radiographic examination? A- Reversible pulpitis B- Irreversible pulpitis C- Pulpal necrosis D- Calcification metamorphosis

A- Reversible pulpitis

When performing a pulpal evaluation, the dentist should ideally use which of the following as controls? A- Adjacent teeth only B- Adjacent teeth and opposing tooth C- Adjacent teeth and contralateral tooth D- Opposing tooth and contralateral tooth

Adjacent teeth and contralateral tooth

: Which of the following is the best treatment for a traumatically intruded primary tooth which in not impinging on the permanent tooth bud? A- Extraction B- Allow tooth to spontaneously re-erupt C- Reposition tooth orthodontically D- Reposition tooth surgically

Allow tooth to spontaneously re-erup

The drug of choice for marked bradycardia is which of the following? A- Atropine B- Epinephrine C- Propanolol D- Calcium chloride

Atropine

For the porcelain veneer preparation, the standard amount of tooth reduction in the middle one third of the facial surface is A- 0.3 mm B- 0.5 mm C- 0.8 mm D- 1.0 mm

B- 0.5 mm

The minimum required bony buccolingual ridge width in millimeters for placement of 4.0 mm root form implants is which of the following? A- 4 B- 6 C- 8 D- 10

B- 6

: What is the predominant method of financing dental care in Health Maintenance Organizations? A- Fee for service B- Capitation C- Usual, customary, and regular fee D- Table of allowances

B- Capitation

Which of the following 2 designs in tooth preparation can be used with all-ceramic crowns? A- Butt-joint shoulder or chamfer B- Bevel or butt-joint shoulder C- Bevel or feather edge D- Chamfer or feather edge

Butt-joint shoulder or chamfer

A fail-safe mechanism on an analgesia machine for nitrous oxide and oxygen prevents the delivery of nitrous oxide greater than A- 20 percent B- 50 percent C- 70 percent D- 90 percent

C- 70 percent

: Smooth surface lesions resulting from flexure of the tooth structure are known as which of the following? A- Abrasion B- Erosion C- Abfraction D- Attrition

C- Abfraction

Which of the following is the drug of choice for a 5-year-old child with pain following routine extraction? A- Aspirin B- Clindamycin C- Acetaminophen D- Codeine

C- Acetaminophen

: In removing a torus palatinus, the practitioner inadvertently removed the midportion of the palatine process of the maxilla. One would expect to see A- The nasolacrimal duct B- The inferior nasal concha C- An opening into the nasal cavity D- An opening into the maxillary antrum

C- An opening into the nasal cavity

Which of the following occurs with the use of dipherhydramine (Benadryl) A- Increased salivation B- Bronchoconstriction C- Antagonism of motion sickness D- Increased capillary permeability

C- Antagonism of motion sickness

Diazepam-mediated effects include A- Peripherally-acting muscle relaxation B- Lowering seizure Threshold C- Anterograde amnesia D- Analgesia

C- Anterograde amnesia

Pseudomembranous colitis can occur most readily after prolonged oral administration of which of the following drugs? A- Erythromycin B- Penicillin V C- Clindamycin D- Sulfisoxazole E- Azithromycin

C- Clindamycin

Which of the following explains why proper contouring of the axial surface of complete cast restorations is extremely important? A- Retention B- Occlusal wear C- Effect on gingival tissue health D- Ability to provide caries resistance

C- Effect on gingival tissue health

A 52-year-old female presents with red, glossy, and swollen gingival. She has denuded and red areas on both buccal mucosae. The lesions have been present for months and vary from time to time in severity. Which of the following represents the most probable diagnosis? A- Vitamin deficiency B- Linear gingival erythema C- Erosive lichen planus D- Necrotizing ulcerative gingivitis

C- Erosive lichen planus

Which of the following can have prodromal symptoms which mimic dental pulp pain? A- Cytomegalovirus infection B- Herpangina C- Herpes zoster D- Primary herpetic stomatitis

C- Herpes zoster

: Methods to prevent overheating of the bone implant site preparation include the use of which of the following? A- High speed handpiece B- Chlorhexidine irrigation C- High torque handpiece D- Air cooling

C- High torque handpiece

Which of the following drugs are categorized as tricyclic antidepressants? A- Tranylcypromine (Parnate) and parglyline (Eutonyl) B- Gabapentin (Neurontin) and tramadol (Ultram) C- Imipramine and amitriptyline D- Promethazine and hydroxyzine

C- Imipramine and amitriptyline

: Which of the following conditions is rarely a symptom of combination syndrome? A- Hyperplastic/redundant soft tissues B- Resorption in the anterior maxilla C- Increased occlusal vertical dimension D- Downgrowth of the maxillary tuberosities

C- Increased occlusal vertical dimension

The diagnosis of pulpal status is predicated upon assessing the amount or extent of A- Decay B- Pain C- Inflammation D- Pathologic resorption

C- Inflammation

Clicking of the dentures during speech most often indicates which of the following? A- Inadequate denture retention B- Decreases occlusal vertical dimension C- Insufficient interocclusal space D- Improper buccolingual position of the teeth

C- Insufficient interocclusal space

Filtration is used in dental x-ray machines to remove A- Scatter radiation photons B- High energy electrons C- Long wavelength photons D- Low energy electrons

C- Long wavelength photons

When the isthmus of a MOD cavity preparation is extended beyond 1/3 of the cusp-tip to cusp-distance, the restoration of choice is a A- MOD amalgam B- MOD inlay C- MOD onlay D- Full crown

C- MOD onlay

Administration of nitrous oxide/oxygen is contraindicated in which of the following conditions? A- Asthma B- Hemophilia C- Nasal congestion D- Sickle cell anemia

C- Nasal congestion

: The gingival around teeth and the mucosa around implants have similar A- Connective tissue attachments B- Alignment of collagen fiber bundles C- Non-keratinized junctional epithelia D- Distribution of vascular structures apical to the junctional epithelia

C- Non-keratinized junctional epithelia

: Damage to biological systems from ionizing radiation is due primarily to which of the following? A- Trasmutation of a key atom B- A direct hit on a key atom or molecule C- Radiolysis of water molecules D- Excitation of macromolecules

C- Radiolysis of water molecules

A patient complains of pain, trismus, fever and dysphagia associated with and impacted third molar. The best course of action for this patient is A- Curettage utilizing local anesthesia B- Prescription of a nonsteroideal anti-inflamatory agent C- Referral to an oral an maxillofacial surgeon D- Immediate extraction of the offending tooth

C- Referral to an oral an maxillofacial surgeon

: When designing a clinical study, one uses the power of the statistical test to accomplish which of the following? A- Measure validity B- Set the alpha level C- Reject the null hypothesis D- Determine sample size

C- Reject the null hypothesis

Although the results of a diagnosis test are NOT necessarily accurate, they are consistent. This test has high A- Generalizability B- Specificity C- Reliability D- Validity

C- Reliability

The decision to reduce a cusp and restore it should be based primarily upon which principle? A- Outline form B- Retention form C- Resistance form D- Convenience form

C- Resistance form

Trough the bloodborne Pathogen Standard, the Occupational Safety and Health Administration (OSHA) directs all health-care workers, in carrying out infection control, to use universal precautions. - Based on these OSHA guidelines, patients identified as carriers of blood-borne pathogens require special infection-control considerations A- Both statements are true B- Both statements are false C- The first statement is true, the second is false D- The first statement is false, the second is true

C- The first statement is true, the second is false

The difference between a 330 carbide bur and 245 carbide bur is A- The 245 creates sharp line angles whereas the 330 bur creates rounded line angles B- The head of a 245 bur is narrower than the head of a 330 bur C- The head of a 245 bur is longer than the head of a 330 bur D- The 245 is tapered

C- The head of a 245 bur is longer than the head of a 330 bur

What final process in coronary arteries causes myocardial infarction rather than angina? A- Atherosclerotic lesions B- Arterial spasm C- Thrombosis D- Fatty deposits

C- Thrombosis

: Which of the following is the most likely cause of ankylosis of the temporomandibular joint? A- Neoplasm B- Rheumatoid arthritis C- Traumatic injury D- Developmental abnormality ANS: C

C- Traumatic injury

Low-dose aspirin therapy prevents the formation of thromboemboli by preferentially inhibiting which of the following? A- Phospholipase A2 in the blood vessels walls B- Prsotacyclin synthetase in the blood vessels walls C- Tromboxane synthetase in the platelets D- Vitamin K in the liver

C- Tromboxane synthetase in the platelets

Billing for a full-mouth series of radiographs as if they were a number of individual radiographs is an example of A- Non-rendering services B- Upcoding C- Unbunding D- Mischaracterization

C- Unbunding

Compared to permanent molars, primary molars have A- Comparatively higher pulp horns B- Thicker enamel caps C- Less pronounced cervical constrictions D- Deeper occlusal fissures

Comparatively higher pulp horns

: Which action represents the most effective means of preventing caries on overdenture roots? A- Daily treatment with prescription fluoride gel B- Coverage of roots with cast copings C- Daily treatment with antimicrobial rinse D- Placement of amalgam restoration in root canal orifice

Coverage of roots with cast copings

: Which of the following sealer components interferes with composite resin polymerization? A- Zinc oxide B- Zinc stearate C- Polyvinyl resin D- Eugenol

D- Eugenol

The highest incidence of caries around Class II composite resin restorations occurs on which of the following margins? A- Occlusal B- Facial proximal C- Lingual proximal D- Gingival proximal

D- Gingival proximal

: Nitrous oxide/oxygen is contraindicated for patients A- With anxiety B- With special health care needs C- With profound local anesthesia D- In the first trimester of pregnancy

D- In the first trimester of pregnancy

Pressure on the midpalatine suture will improve A- Denture retention only B- Denture stability only C- Both denture retention and denture stability D- Neither denture retention nor denture stability

D- Neither denture retention nor denture stability

In examining a maintenance patient, the dentist observes residual calculus, bleeding on probing, and probing depths less than 5 mm. The dentist should do which of the following? A- Scaling and root planing B- Osseous surgery C- Continued maintenance D- Open flap debridement

D- Open flap debridement

For a patient with myasthenia gravis, which of the following medications is acceptable? A- Erythromycin B- Clarithromycin C- Imipenem D- Penicillin

D- Penicillin

Which of the following is contraindicated as a pre-prosthodontic regimen to optimize soft tissue health? A- Oral hygiene instructions B- Prophylaxis C- Daily rinses of chlorhexidine D- Premedication with oral antibiotics

D- Premedication with oral antibiotics

The incisal guide table is designed to A- Allow selective grinding of anterior teeth B- Prevent overclosure of the vertical dimension C- Prevent posterior cusps from exceeding the condyle angle D- Protect the function and arrangement of anterior teeth

D- Protect the function and arrangement of anterior teeth

: Which of the following represents the function of occlusal (night) guards? A- Reduce mobility B- Prevent bruxism C- Increase attachment level D- Redistribute forces on the teeth

D- Redistribute forces on the teet

: Cervical caries can be secondary to the effect of radiation on A- Enamel B- Dentin C- Cementum D- Salivary gland E- Alveolar crestal bone

D- Salivary gland

Hyperplastic palatal tissue (papillomatosis) is best treated by A- Chemical cauterization B- Radical excision C- Temporary cessation of denture use D- Supraperiosteal dissection or electrosursery

D- Supraperiosteal dissection or electrosursery

If there is insufficient space between the maxillary tuberosity and the retromolar pad, then the dentist should A- Open the articulator to gain space B- Avoid covering the pad with the mandibular base C- Avoid covering the macillary tuberosity D- Surgically reduce the occlusal aspect of the tuberosity

D- Surgically reduce the occlusal aspect of the tuberosity

Which statement most accurately describes the finish line and margin of crown? A- The finish line should be placed in hard dentin when it is possible B- The crown margin at the gingival crest accumulates the least amount of food C- The location of the crown margin is more important than the fit and finish D- The subgingival crown margin may be an etiologic factor in predisposing periodontitis

D- The subgingival crown margin may be an etiologic factor in predisposing periodontiti

Q1: By encircling an abutment tooth 180 degrees, a removable partial denture clasp assembly serves to A- Prevent tooth movement away from the clasp B- Increase the retention provided by the clasp C- Increase the support derived from the abutment tooth D- Decrease the applied occlusal torquing forces

Prevent tooth movement away from the clasp

Which of the following conditions is associated with hypodontia? A- Ectodermal dysplasia B- Cleidocranial dysplasia C- Apert Syndrome D- Gardner syndrome

Ectodermal dysplasia

In treating a tooth with both endodontic and periosontic involment, which of the following would the dentist perform first? A- Antibiotic regimen B- Endodontic therapy C- Periodontic therapy D- Endodontic and periodontic therapies should be performed simultaneously

Endodontic therapy

Which of the following represents the major cause of pulpal damage associated with cavity preparation? A- Vibration B- Heat generation C- Dentin desiccation D- Adverse effects of local anesthesia

Heat generation

A protrusive jaw relation record is made in order to set the A- Horizontal condylar inclination of the articulator B- Anterior guide table of the articulator C- Lateral condylar guidance of the articulator D- Lateral translation of the articulator

Horizontal condylar inclination of the articulator

: A patient says, "I have been avoiding coming to see you because there is an ugly, red sore spot on the roof of my mouth". Which of the following responses by the dentist best exemplifies a reflective response? A-"Has you diet changed lately" B-"You really shouldn't worry about it" C-"Don't be afraid, I'll take a careful look" D-"You should have had something like that looked at right away" E-'It sounds as if you're quite concerned about this condition"

It sounds as if you're quite concerned about this condition"

Which primary tooth, if lost prematurely, will most frequently result in space loss? A- Maxillary canine B- Maxillary first molar C- Mandibular second molar D- Mandibular first molar

Mandibular second molar

Which of the following represents the most frequent cause of failure of dental amalgam restorations? A- Moisture contamination B- Improper cavity design C- Improper condensation D- Inadequate trituration

Moisture contamination

: primary drug for The treating oral candidiasis in patient with HIV is A- Nystatin (Mycostatin) B- Acyclovir (Zovirax) C- Penciclovir (Denavir) D- Chlorhexidine (Peridex

Nystatin (Mycostatin)

Sensitivity to cold and pressure 2 weeks after cementation of a posterior crown is most likely related to A- Occlusal trauma B- Luting agent C- Vertical root fracture D- Food impaction

Occlusal trauma

Which of the following is NOT an indication for removal of a third molar? A- The presence of bony pathology B- History of repeated pericoronal infections C- Prevent crowding and displacement of the incisor teeth D- Advanced, generalized periodontal disease that endangers the second molar

Prevent crowding and displacement of the incisor teeth

A wear facet is seen on the mesio-buccal incline of the mesio-buccal cusp of a mandibular first molar complete metal crown. This facet clould have been formed during which jaw movements? A- Working only B- Protrusive or working C- Protrusive or non-working D- Non-working or retrusive

Protrusive or working

Which differential diagnostic method is best for determining whether pathosis is endodontic or periodontic in nature? A- Pulp vitality testing B- Nature of symptoms C- History of periodontal disease D- Location of swelling, if present

Pulp vitality testing

: Which type of root resorption results in ankylosis? A- Inflamatory B- Replacement C- Internal D- External

Replacement

The means by which dental patients are treated to eliminate the caries process is called A- Antibiotic prophylaxis B- Primary prevention C- Secondary prevention D- Tertiary prevention

Secondary prevention

Which type of enamel caries has a broad area of origin with a conical or pointed extension towards the DEJ? A- Pit and fissure caries B- Smooth surface caries C- Cusp tip caries D- Root surface caries

Smooth surface caries

In recurring necrotizing ulcerative gingivitis, which of the following is most associated with exacerbation? A- Occlusal trauma B- Stressful episodes C- Amount of suppuration present D- Increase in gram positive organisms

Stressful episodes

: Which of the following factors has the LEAST effect on the prognosis of a periodontally involved tooth? A- Degree of mobility B- Suppuration from the pocket C- Amount of attachment loss D- Degree of furcation involvement

Suppuration from the pocket

What should the dentist use to begin managing an apprehensive 5 year old child? A- Voice control B- Oral sedation C- Tell-show-do technique D- Nitrous oxide/oxygen conscious sedation

Tell-show-do technique

: Which of the following represents the purpose of periapical palpation? A- To evaluate the gingival involvement of pulpal disease B- To determine if the periapical inflammatory process has penetrated the cortical bone C- To improve the tactile skills of the clinician relative to periapical disease D-To massage localized swelling of the alveolar tissue to promote drainage

To determine if the periapical inflammatory process has penetrated the cortical bone

: Which of the following is most likely to create complications when making an acrylic resin temporary restoration for a large MOD onlay preparation? A- Overextended resin removed B- Undercuts in the preparation blocked out C- Completion of polymerization outside the mouth D- Occlusal surfaces left in slight infraocclusion

Undercuts in the preparation blocked out

: The maxillary and mandibular definitive casts have been articulated. The maxillary cast was mounted without a face-bow transfer. If the dentist were to increase the occlusal vertical dimension by 4 mm, it would be necessary to A- Open the articulator by 4 mm B- Change the condylar guide settings C- Obtain a new centric relation record D- Increase the rest vertical dimension

c-Obtain a new centric relation record


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