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DentalDecksDental DecksPartITestletPart I Testlet

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Copyright 2013-2014 Dental Decks, Inc.

A few tips on how to prepare for the Clinical Vignette

portion of the NBDE Part I exam:

1.There are 10 Case Scenarios, and each case has 10 questions cov-ering Anatomy, Microbiology, Biochemistry,Physiology, Pathology,

and Dental Anatomy. The Vignettes are composed of the follow-

ing components:

A paragraph of patient chief complaint and dental history

A chart of patient's medical history and medication usage

You will have to click on a button to make the patient medical his-tory chart visible. Sometimes the chart contains valuable information

that you will need to answer some of the questions, but not all the

questions need that information.

2.The questions are clinically oriented rather than straight memo-

rization. The diseases in the case scenarios are MOSTLY common

ones patients present with on your dental schools clinic oor. Becareful with cases such as diabetes, asthma, fractures, bone lesions

etc... Moreover, a lot of dental management, ethics and dental

anatomy questions were blended in.

3. Primary and permanent teeth are not given straight out, rather,

they are referred to as tooth #17, or tooth K etc. It might be benecial

to write down a teeth number chart along with the occlusion chartduring the tutorial period (see back two pages of this testlet booklet

for examples).

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Age 45 YRS Scenario

Sex Female

Height 56

Weight 120 lbs.

B/P 115/65

Chief Complaint Localized swelling, sharp

pain

Medical History Hypothyroidism

Current Medications Synthroid

Social History Housewife

The patient presents

with localized swelling

around tooth #2. There is

an abscess, and a large

carious lesion that ex-

tends to the pulp.

CASE SCENARIO 1CASE SCENARIO 1

1. Which of the following is the most common cause of this patients autoim-

mune disease?

2. Which of the following is the primary etiologic factor of dental caries?

3. Each of the following are symptoms of hypothyroidism EXCEPT one. Which

one is the EXCEPTION?

A. Graves disease

B. Thyroid adenomaC. Pituitary adenoma

D. Hashimotos thyroiditis

A. Lactobacillus sp.

B. P. gingivalis

C. Actinomyces sp.

D. S. mutans

E. T. denticola

A. Cold intoleranceB. Weight gain

C. Mental slowing

D. Dry skin

E. Restlessness

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9. Which of the following is an acute inammatory lesion consisting of a localized

collection of pus surrounded by a brous wall?

10. If the patient elects to have tooth #2 extracted, sectioning may be required.

The practitioner should be aware of which of the following furcations?

1. In reviewing the patients medical history, you note that he was hospitalized

3 years ago due to a severe asthma attack. This can lead to death from which of

the following?


Age 19 YRS Scenario

Sex Male

Height 59

Weight 140 lbs.

B/P 125/75

Chief Complaint The teeth in the back

hurt!

Medical History Asthma

Current Medications Formoterol Fumarate

Albuterol inhaler

Social History Student

The patient presents for a

6-month recall appoint-

ment. He reports pain

around tooth #18. Oral

exam shows gingival

swelling and erythema

around partially erupted

tooth #17.

A. Abscess

B. Granuloma

C. Cyst

D. Cellulitis

A. One

B. Two mesial and distal

C. Two buccal and lingual

D. Three mesial, distal, buccal

E. Three mesial, distal, lingual

A. Respiratory alkalosis

B. Metabolic alkalosis

C. Respiratory acidosis

D. Metabolic acidosis

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2. Before extracting tooth #17, surgery is done to expose the entire crown of the

tooth. Which of the following should the dentist expect to see?

3. Formoterol Fumarate is a beta-adrenergic agonist used to maintain and treat

asthma. From the following list, please select the THREE items associated with

beta-adrenergic agonists.

4. Nitrous oxide is safe to administer to people with asthma, especially if their

asthma is triggered by anxiety. Asthmatics taking chronic steroids require corti-

costeroid augmentation.

5. If tooth #17 is infected, then the infection will spread to each of the following

fascial spaces EXCEPT one. Which one is the EXCEPTION?

6. When sectioning tooth #17 to separate the roots and simplify extraction,

which of the following best describes how the cut should be made?

A. The buccal-lingual and mesial-distal dimensions of the crown are the same

B. The crown of tooth #17 is smaller than the crown of tooth #16

C. The mesial-distal dimension of the crown is greater than the buccal-lingual

dimensionD. The buccal-lingual dimension of the crown is greater than the mesial-dist-

al dimension

A. Constricts bronchial smooth muscle

B. Relaxes bronchial smooth muscleC. Stimulates the enzyme adenylate cyclase

D. Induces negative inotropic output of cardiac muscle

E. Induces positive inotropic output of cardiac muscle

F. Induces negative chronotropic output of cardiac muscle

A. Both statements are true

B. Both statements are false

C. The rst statement is true, the second is false

D. The rst statement is false, the second is true

A. Temporal

B. Parotid

C. Masseteric

D. Buccopharyngeal

A. Mesio-distally through the crown at the level of the CEJ

B. Mesio-distally through the crown and furcation

C. Bucco-lingually through the crown and furcation

D. Bucco-lingually through the pulp horns

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7. Initially, lymphatic uid from the area of infected tooth #17 will drain to which

of the following nodes?

8. Which of the following immunoglobulins is most active in this patients respi-

ratory difficulties?

9.Treatment of this patients respiratory symptoms includes each of the follow-

ing EXCEPT one. Which one is the EXCEPTION?

10. Common manifestations of an asthma attack include each of the following

EXCEPT one. Which one is the EXCEPTION?

A. Submental

B. Submandibular

C. Supercial cervical

D. BuccalE. Deep cervical

A. IgD

B. IgM

C. IgG

D. IgEE. IgA

A. Beta-2 agonist inhalers

B. Steroids

C. Mast cell stabilizersD. Parasympathetic stimulation

A. Decreased surfactant

B. Airway edema

C. Increased mucous secretion

D. Increased airway resistanceE. Bronchospasm

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1. Untreated hypertension may result in each of the following EXCEPT one. Which

one is the EXCEPTION?

2. From the following list select THREE items associated with hypertension.

3.The patients blood pressure is classied as:


Age 28 YRS Scenario

Sex Male

Height 62

Weight 280 lbs.

B/P 155/90

Chief Complaint There is a clicking noise

when I close my mouth.

Medical History Hypertension

Current Medications Lisinopril/HCTZ

Social History Painter

Married & has 3 children


with bilateral pain in the

TMJ upon closing. You

notice tooth #30 has a

fractured DL cusp and

the remnants of an oc-

clusal amalgam restora-

tion. #30 has been endo-

dontically treated.

A. Cardiac failure

B. Liver failure

C. Transient ischemic attack

D. Left ventricular hypertrophy

E. Renal failure

A. Decreased smooth muscle cell growthB. Smoking

C. Decreased total cross-sectional area of capillaries and arteries

D. Obesity

E. Physical activity

F. Increased arteriolar and capillary density

A. Normal

B. Prehypertension

C. Hypertension, Stage 1

D. Hypertension Stage 2

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4. Which region of the articular surface of the patients TMJ is unlikely to be pres-

ent?

5.The occlusal shape of a mandibular rst molar can be best described as:

6.The protrusive pathway of the mandibular cusps on the maxillary posterior

teeth is toward the:

7. If the patient delays treatment of tooth #30, which of the following is the most

likely consequence?

8.The temporomandibular joint can be classied as:

9.The clicking noise the patient experiences is due to the condyle moving an-teriorly past the disc. This noise can also be heard with lateral excursion to the

contralateral side.

A. Fibrocartilaginous layer

B. Fibrous articular layer

C. Proliferative zone

D. Subarticular zone

E. Calcied cartilage

A. Rhomboidal

B. Circular

C. Square

D. Trapezoidal

E. Rectangular

A. Mesial

B. Distal

C. Facial

D. Lingual

A. Supraeruption of tooth #3

B. Loss of canine protected occlusion

C. Loss of vertical dimension

D. Mesial drift of tooth #31

A. Synarthrosis

B. Amphiarthrosis

C. Fibrous

D. Cartilaginous

E. Synovial





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10. During your examination, you notice a vertical root fracture on #30. It is de-

termined nonrestorable, and is extracted. Which of the following root mor-

phologies would you expect to see?

1.The hallmark symptom of infective endocarditis is:

2. Subacute (Bacterial) Endocarditis is typically caused by which of the follow-

ing?


Age 69 YRS Scenario

Sex Female

Height 411

Weight 100 lbs.

B/P 135/85

Chief Complaint My denture doesnt fit

right.

Medical History History of infective endo-carditis

Allergic to Penicillin

Current Medications Unknown

Social History Retired


with an ill-fitting den-

ture. Upon removal, you

notice an asymptomatic,

erythematous cobble-

stone-like lesion on the

mucosal tissue of the

hard palate. Bone resorp-

tion is apparent.

A. The roots are narrowly separated

B. The distal root is broadest bucco-lingually

C. Only the mesial root exhibits a concavityD. The root trunk is shorter than the mandibular second molar

A. Fever

B. Fatigue

C. Malaise

D. Headache

E. Night sweats

A. S. mutans

B. Staphylococcus aureus

C. Streptococcus viridans

D. Actinomyces sp.

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8.The patient elects to have her ill-tting dentures remade. The teeth in the new

denture have been set up so the MB cusp of the maxillary rst molar occludes dis-

tally to the MB groove of the mandibular rst molar. Which of the following BEST

describes this occlusal classication?

9. Penicillins work by which of the following mechanisms?

10. Psuedomembranous colitis, an overgrowth of C. difficile, is associated with

which of the following antibiotics?

A. Class I

B. Class II, division IC. Class II, division II

D. Class III

A. Inhibiting peptidoglycan cross-linking by binding to D-alanyl-D-alanine

B. Inhibiting protein synthesis by binding to 50S ribosomal subunits

C. Inhibiting protein synthesis by binding to 30S ribosomal subunits

D. Inhibiting DNA synthesisE. Inhibiting peptidoglycan cross-linking by blocking transpeptidase

A. Amoxicillin

B. Doxycycline

C. CephalexinD. Clindamycin

E. Erythromycin

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1. Scarlet fever is a disease caused by infection with which of the following bac-

teria?

2. Which of the following describes the distal contact (inciso-cervical direction)

of a maxillary lateral incisor?

3. According to the Miller classication, this patients mobility would be best de-

scribed as:


Age 10 YRS Scenario

Sex Male

Height 52

Weight 110 lbs.

B/P 110/75

Chief Complaint My front teeth hurt.

Medical History Scarlet fever at age 7

Current Medications None


Plays hockey

The patient presents for

an emergency appoint-ment. A hockey puck

struck his anterior max-

illa. Upon examination,

you note bleeding

around the maxillary

central incisors and 1.5

mm of mobility bucco-lingually, but no vertical

mobility.

A panoramic radiograph

reveals congenitally

missing mandibular sec-

ond premolars

A. Group A Streptococci

B. Group B Streptococci

C. Group C Streptococci

D. Staphylococci aureus

E. Staphylococci epidermidis

A. Incisal third

B. Cervical line

C. Middle third

D. Cervical third

A. Class I

B. Class II

C. Class III

D. Class IV

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4. Upon further examination, you notice laceration of the patients lips. Which

of the following arteries is most likely the source of the bleeding?

5. From the following list select TWO nerves associated with the maxillary cen-

tral incisors.

6. A radiograph of the maxillary central incisors reveals a radiolucency between

the roots of teeth #8 and #9. Which of the following is the MOST likely reason for

this?

7. A panoramic radiograph of the patient reveals each of the following features


8.The patients mother is concerned about the bumps on the front teeth.

These round extensions of enamel are called:

A. Nasopalatine artery

B. Buccal branch of the maxillary artery

C. Incisive branches of the infraorbital artery

D. Labial branches of the facial arteryE. Nasal branches of the facial artery

A. Mesiodens

B. Peg lateral incisor

C. Maxillary sinus

D. Incisive foramen

E. Greater palatine canal

A. Nasopalatine nerve

B. Posterior superior alveolar nerve

C. Greater (anterior) palatine nerve

D. Middle superior alveolar nerveE. Anterior superior alveolar nerve

A. Permanent maxillary central incisors with complete root formation

B. Permanent mandibular central incisors with complete root formationC. Partially erupted permanent mandibular canines with incomplete root

formation

D. Fully erupted mandibular rst molars with complete root formation

E. Partially erupted mandibular rst premolars with complete root formation

A. Lobes

B. Mamelons

C. A cingulum

D. Tubercles

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9. Streptococci are classied by lysis of erythrocytes when plated on blood agar.

This process is called:

10. Heredity is most frequently responsible for congenitally missing teeth. In this

case, you would want to retain the primary second molar for as long as possible.

1. Which of the following structures is MOST likely affected by the fracture?


Age Unknown Scenario

Sex Unknown

Height UnknownWeight Unknown

B/P Unknown

Chief Complaint Unknown

Medical History Unknown


Social History Unknown

You are called in to assist

in the postmortem identi-

fication of an unknown

person. Parts of a cadaver

are presented, including

portions of the skull with

bones, teeth, and intact

soft tissue.

Examination of the skullreveals a fracture running

through the pterygomax-

illary fissure.

A. Cytolysis

B. Plasmolysis

C. Hemolysis

D. Enterolysis





A. Sphenopalatine artery

B. Greater palatine nerveC. Lesser palatine nerve

D. Posterior superior alveolar nerve

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2. From the following list select FOUR items associated with the malar bone.

3.The orbit is composed of each of the following bones EXCEPT one. Which one

is the EXCEPTION?

4.The ophthalmic artery, a branch of the external carotid artery, is the major

blood supply to the orbit and eye. It enters the orbit with the optic nerve via the

optic canal.

5.The greater wing of the sphenoid contains each of the following foramina


6. Examination of a remnant of the cranial base exhibits a fracture of the sulcus

chiasmaticus. Damage to this area typically results in which of the following con-

ditions?

A. Located in the lower and medial part of the face

B. Prominence of the frontal bone

C. Part of the lateral wall and oor of the orbit

D. Parts of the temporal and infratemporal fossae

E. Articulates with the frontal bone and the temporal boneF. Articulates with the maxilla and the temporal bone

A. Sphenoid

B. Zygoma

C. Ethmoid

D. TemporalE. Lacrimal


B. Both statements are falseC. The rst statement is true, the second is false


A. Rotundum

B. Ovale

C. LacerumD. Spinosum

A. Tunnel vision

B. Loss of sense of taste

C. Loss of sense of smell

D. Damage to optic chiasm

E. Damage to speech areas

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7. Examination of a portion of the mandible shows a torn piece of muscle at-

tached to the zygomatic process of the maxilla. This is MOST likely the:

8. You examine a tooth with a square occlusal shape and a prominent mesiolin-

gual developmental groove. This tooth is MOST likely a:

9. One piece of soft tissue contains obvious glandular tissue. Histological exam-

ination reveals that it is composed of purely mucous acini. This is MOST likely

which of the following glands?

10. You examine a tooth with a measured root length of 13.5 mm. This tooth is

MOST likely a:

A. Masseter

B. Temporalis

C. Medial pterygoid

D. Lateral pterygoid

A. Mandibular canine

B. Maxillary rst premolar

C. Mandibular rst molar

D. Mandibular second premolar

E. Mandibular rst premolar

A. Buccal

B. Parotid

C. SublingualD. Submandibular

E. Posterior palatal

A. Maxillary central incisor

B. Mandibular central incisor

C. Mandibular rst premolarD. Maxillary canine

E. Mandibular canine

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Age 45 YRS Scenario

Sex Male

Height 511

Weight 195 lbs.

B/P 125/80

Chief Complaint There are white spots on

my tongue.

Medical History HIV+

Current Medications Combivir

Social History Bartender


with thick cream-colored

deposits on the dorsal

aspect of his tongue.

Oral examination reveals

loss of tooth structure on

the facial aspect of his

anterior teeth.

1. The cream-colored deposits located on the patients tongue can be easily

wiped off. This condition is MOST likely due to:

2.The patients chief complaint is often associated with immunosuppression. It

may also be associated with an ill-tting denture, prolonged use of antibiotics,

or periodontitis.

3. In treating the patients chief complaint, a dentist might consider each of the

following medications EXCEPT one. Which one is the EXCEPTION?

A. Clostridium perfringens

B. Candida albicansC. Pseudomonas aeruginosa

D. Staphylococcus aureus


D. Both statements are falseC. The rst statement is true, the second is false


A. Clotrimazole

B. Topical nystatinC. Fluconazole

D. Cephalosporin

E. Chlorhexidine gluconate

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9.The loss of tooth structure has exposed the patients dentin. The organic com-

ponent of dentin is composed primarily of:

10. Which of the following is the most important infection control practice for re-

ducing nosocomial infections?

1. While reviewing the medical history, you learn that the patient recently began

expressing the following symptoms: polyuria, polydipsia, polyphagia, and

blurred vision. This is MOST likely the result of:


Age 40 YRS Scenario

Sex Female

Height 57

Weight 195 lbs.

B/P 150/90

Chief Complaint My mouth is dry.

Medical History Mother has diabetes

BMI is 32


Social History Waitress


with a dry mouth andloss of taste. She also

complains of dry eyes.

A. Reticular bers

B. Keratin bers

C. Type I collagen bers

D. Type II and III collagen bersE. Oxytalan bers

A. Appropriate personal protective equipment

B. Engineering controls

C. Work practice controls

D. Hand washing

A. Diabetes insipidusB. Diabetes mellitus (type I)

C. Diabetes mellitus (type II)

D. Gestational diabetes

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2. Blood insulin is absent in type I diabetes mellitus. Blood insulin levels may be

normal or decreased in type II diabetes mellitus.

3. Which of the following organic compounds is a blood ketone?

4. Which of the following cells found in the pancreas is responsible for secretingglucagon?

5.The patients chief complaint is MOST likely due to which of the followingpathologies?

6. Decreased salivation can cause rampant caries due to a(an):

7. A panoramic radiograph reveals excessive calcied tissue at the root apices of

teeth #24 and #25. This is known as which of the following?





A. Alpha-hydroxybutyric acid

B. Acetoacetic acid

C. Glucagon

D. Delta-hydroxybutyric acid

A. Alpha

B. Beta

C. Delta

D. Acinar

E. Centroacinar

A. Systemic lupus erythematosus

B. Scleroderma

C. Reiters syndrome

D. Bechets syndrome

E. Sjogrens syndrome

A. Increased number of oral bacteria

B. Increased number of oral bacteria resistant to antibiotics

C. Shift to more acidogenic microora

D. Shift to less acidogenic microora

A. Concrescence

B. Enamel pearls

C. Ankylosis

D. Cemental pearls

E. Hypercementosis

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8. From the following list select THREE items associated with fungiform papillae.

9.The patients decrease in taste sensitivity is often referred to as:

10. Oral evaluation reveals rampant caries. On which of the following surfaces is

pit and ssure caries MOST likely to occur?

A. Rounded

B. Located mostly at the tip of the tongue

C. Located in a V arrangement on the back of the tongue

D. Do not contain taste buds

E. Contain taste budsF. Innervated by CN X

A. Ageusia

B. Hypergeusia

C. Dysgeusia

D. Hypogeusia

A. Facial surfaces of maxillary rst molars

B. Lingual surfaces of maxillary rst molars

C. Facial surfaces of mandibular rst premolars

D. Lingual surfaces of mandibular rst molars

E. Proximal surfaces of mandibular incisors

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Age 25 YRS Scenario

Sex Male

Height 57

Weight 130 lbs.

B/P 130/80

Chief Complaint I just want a nice smile.

Medical History Hepatitis C


Social History Tattoo artist

Patient presents with

chipped crowns on teeth

#8 and #10. The maxil-

lary anterior teeth show

enamel mottling and

discoloration.

1. Hepatitis viruses are extremely heat resistant. Proper autoclaving kills all hep-

atitis viruses.

2. From the following list select THREE items associated with hepatitis C.

3. Each of the following is a symptom of viral hepatitis EXCEPT one. Which one

is the EXCEPTION?



C. The rst statement is true, the second is falseD. The rst statement is false, the second is true

A. Non-enveloped virus

B. Enveloped virus

C. Picornavirus

D. Deltavirus

E. Flavivirus

F. ds DNA

G. ss RNA

A. Fatigue

B. MyalgiaC. Cold intolerance

D. Constipation

E. Jaundice

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4.The falciform ligament attaches the liver to the diaphragm. The coronary lig-

aments attach the liver to the anterior body wall.

5.The patients hepatitis C is MOST likely to result in:

6. You are concerned about transmission of the patients virus. If it were to be

transferred, it would MOST likely involve which of the following routes?

7. Once the patient is dismissed, you clean the instruments and place them intoa dry heat sterilizer. Which of the following settings is most appropriate for an

oven type dry heat sterilizer?

8.The greatest cementoenamel junction can be found on which of the follow-

ing teeth?





A. Development of chronic hepatitis

B. Development of fulminant hepatitis

C. Development of hepatocellular carcinoma

D. Asymptomatic carrier state

E. Resolution with eventual clearing of the virus

A. Saliva contamination

B. Oral-fecal

C. Contaminated needle stick

D. Inhalation of aerosols

A. 273F for 20 minutes

B. 273F for 40 minutes

C. 375F for 6-20 minutes

D. 320F for 1-2 hours

E. 320F for 20 minutes

A. Mandibular central incisors

B. Maxillary central incisors

C. Mandibular canines

D. Mandibular lateral incisorsE. Maxillary lateral incisors

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9. How many lobes are present in this patients tooth #9?

10. In reviewing the patients medical history, he explains the brownish pig-

mentation has been present for most of his life. This is MOST likely due to which

of the following?

1. How many primary teeth remain in this patients mouth?


Age 9 YRS Scenario

Sex Male

Height 53

Weight 100 lbs.

B/P 115/70

Chief Complaint Gums bleed easily.

Medical History Tendency to bleed



Patient is undergoingorthodontic treatment.

Oral hygiene is poor and

there is generalized cer-

vical plaque and gingival

enlargement.

Patient is a known

thumb sucker.

A. 0

B. 1

C. 2

D. 3

E. 4

A. Tetracycline

B. Smoking

C. Nutritional deciencies

D. FluorosisE. Dentinogenesis imperfecta

A. 0

B. 4

C. 8D. 12

E. 18

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2. Hemophilia is characterized by each of the following EXCEPT one. Which one

is the EXCEPTION?

3. If this patients supragingival plaque continues to move apically, it will FIRST

disrupt which of the following tissues?

4. All clotting factors are made in the liver. Factors II, VII, X, and XI are vitamin K

dependent.

5. Christmas disease is characterized by a decrease in which of the following fac-

tors?

6.To properly align the mandibular lateral incisor and the mandibular canine,

the orthodontist will ensure that the distal surface of the mandibular lateral in-

cisor contacts what area of the mesial surface of the mandibular canine?

A. Increased PTT

B. Normal PT

C. Normal Bleeding time

D. Decreased INR

A. Principal bers

B. Sharpeys bers

C. Attachment of gingival epithelium

D. Attachment of sulcular epithelium

E. Attachment of junctional epithelium





A. II

B. VII

C. IX

D. X

E. XI

A. Cervical line

B. Mesio-incisal line angle

C. Incisal thirdD. Middle third

E. Cervical third

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7. Which of the following disorders is characterized by a qualitative platelet de-

fect resulting in impaired platelet adhesion?

8. Which of the following primary teeth is MOST likely to be mobile in this patient

due to the eruption of the succedaneous tooth?

9.This patients poor habit is often associated with which of the following mal-

occlusions?

10. During this patients orthodontic treatment, new alveolar bone is deposited.Which of the following BEST describes this type of alveolar bone?

A. von Willebrands

B. Hemophilia A

C. Hemophilia B

D. Hemophilia C

A. F

B. G

C. H

D. I

A. Class I

B. Class II, division I

C. Class II, division II

D. Class III

A. Woven

B. Compact

C. Cementum

D. Endochondral

E. Intramembranous

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ANSWER KEY CASES 1 5

Question Answer Question Answer Question Answer Question Answer Question Answer

Case 1 Case 2 Case 3 Case 4

1 D 1 C 1 B 1 A 1 A

2 D 2 C 2 B, C, D 2 C 2 C

3 E 3 B, C, E 3 C 3 A 3 B

4 B 4 C 4 C 4 E 4 D

5 B, E, F 5 A 5 D 5 A 5 A, E

6 C 6 C 6 B 6 D 6 D

7 C 7 E 7 A 7 C 7 E

8 B 8 D 8 E 8 D 8 B

9 A 9 D 9 D 9 E 9 C

10 D 10 A 10 D 10 D 10 A

Case 5

Question Answer Question Answer Question Answer Question Answer Question Answer

Case 6 Case 7 Case 8 Case 9 Case 10

1 D 1 B 1 C 1 A 1 D

2 C, D, E, F 2 C 2 C 2 B, E, G 2 D

3 D 3 D 3 B 3 C 3 E

4 D 4 D 4 A 4 B 4 B

5 C 5 C 5 E 5 A 5 C

6 D 6 A 6 C 6 C 6 C

ANSWER KEY CASES 6 10

7 A 7 E 7 E 7 D 7 A

8 E 8 D 8 A, B, E 8 B 8 D

9 C 9 C 9 D 9 E 9 B

10 D 10 D 10 B 10 D 10 E

ANSWER KEYSANSWER KEYS

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Universal tooth numbering system.

Teeth numbering chart for adult teeth.

Orientation of the Universal tooth numbering chart is traditionally "patient'sview", i.e. patient's right corresponds to tooth chart's right side. The designations

"left" and "right" on the chart correspond to the patient's left and right, respec-

tively.

Upper left Upper right

lower left lower right

Universal tooth numbering system.

Teeth numbering chart for deciduous (primary) teeth.

Upper left Upper right

Lower left Lower right

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M O O C O C

DD C O C O

1P 2P 1M 2M

1P 2P 1M 2M

MBuccal cusp of the md. 1st premolar occludes with theMesial marginal ridge of the mx. 1st premolar

OBuccal cusp of the md. 2nd premolar occludes with theOcclusal embrasure of the mx. 1st and 2nd premolars

OMesiobuccal cusp of the md. 1st molar occludes with theOcclusal embrasure of the mx. 2nd premolar and mx. 1st molar

CDistobuccal cusp of the md. 1st molar occludes with theCentral fossa of the mx. 1st molar

OMesiobuccal cusp of the md. 2nd molar occludes with theOcclusal embrasure of the mx. 1st and 2nd molars

CDistobuccal cusp of the md. 2nd molar occludes with theCentral fossa of the mx. 2nd molar

DLingual cusp of the mx. 1st premolar occludes with theDistal marginal ridge of the md. 1st premolar

DLingual cusp of the mx. 2nd premolar occludes with theDistal marginal ridge of the md. 2nd premolar

CMesiolingual cusp of the mx. 1st molar occludes with theCentral fossa of the md. 1st molar

ODistolingual cusp of the mx. 1st molar occludes with theOcclusal embrasure of the md. 1st and 2nd molars

CMesiolingual cusp of the mx. 2nd molar occludes with theCentral fossa of the md. 2nd molar

ODistolingual cusp of the mx. 2nd molar occludes with theOcclusal embrasure of the md. 2nd and 3rd molars (if present)

Maxillary

Mandibular

Occlusion chart

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Notice

Medicine is an ever-changing science. As new research

and clinical experience broaden our knowledge,

changes in treatment and drug therapy are required.

The authors and the publisher of this work have checkedwith sources believed to be reliable in their efforts to

provide information that is complete and generally in

accord with the standards accepted at the time of pub-

lication. However, in view of the possibility of human

error or changes in medical sciences, neither the authors

nor the publisher nor any other party who has been in-

volved in the preparation or publication of this work

warrants that the information contained herein is in

every respect accurate or complete, and they disclaim

all responsibility for any errors or omissions or for the re-

sults obtained from use of the information contained in

this work. Readers are encouraged to conrm the infor-

mation contained herein with other sources. For exam-

ple and in particular, readers are advised to check the

product information sheet included in the package ofeach drug they plan to administer to be certain that the

information contained in this work is accurate and that

changes have not been made in the recommended

dose or in the contraindications for administration. This

recommendation is of particular importance in connec-

tion with new or infrequently used drugs.

Copyright 2013-2014 Dental Decks, Inc.All rights reserved. No part of this publication may be reproduced or transmitted in any

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