Question 1

What technique is used when the crown length is inadequate for restoration?

Accepted Answer

A) Crown eruption 
B) Crown restoration 
C) Crown lengthening 
D) Crown displacement

Question 2

What is the most suitable common treatment for tooth avulsion?

Accepted Answer

A) Reimplantation and splinting 
B) RCT 
C) Extraction and RCT 
D) Antibiotic cover with pain killers

Question 3

Identify the following nerve that innervates the anterior palatal mucosa.

Accepted Answer

A) Nasopalatine 
B) Middle superior alveolar 
C) Posterior superior alveolar 
D) Maxillary

Question 4

The inflammation of a periradicular lesion must spread to which bone to be detectable during a radiographic exam?

Accepted Answer

A) Cortical bone 
B) Lingual root 
C) Buccal 
D) Pulp canal

Question 5

Complex microbial accumulation on the tooth's surface is:

Accepted Answer

A) Abscess 
B) Infection 
C) Plaque 
D) Gingivites

Question 6

Which of the following are not common clinical features of anterior cord syndrome?

Accepted Answer

A) Loss of motor function and pain and temperature 
B) Preservation of light touch 
C) Preservation of proprioception and position sense 
D) Babinski sign

Question 7

In what part of the body are Hilar lymph nodeslocated?

Accepted Answer

A) in the lateral thoracic cavity 
B) superior to the clavicle and surrounding the carotid sheath 
C) along the sternocleidomastoid muscle 
D) at the root of the lungs

Question 8

Regarding the differences between deciduous and permanent teeth, the roots of deciduous molars are:

Accepted Answer

A) Longer and more slender 
B) Shorter and less slender 
C) More stronger and shorter 
D) None of the above

Question 9

When writing a prescription, what information about the drug must be supplied?

Accepted Answer

A) Drug name, dosage, numerical amount, drug form, directions, and refill instructions 
B) Patient's name, patient's driver license number, prescriber's name and address 
C) Drug formula, dosage, patient's phone number and prescriber's DEA number 
D) Drug name, dosage, doctor's name, and doctor's signature

Question 10

The structural destruction of enamel is caused by:

Accepted Answer

A) Lowered pH 
B) Increase pH 
C) Neutralized pH 
D) Acidogenic

Question 11

In general, a reaction rate will increase as a result of all of the following EXCEPT

Accepted Answer

A) an increase in temperature 
B) an increase in enzyme concentration 
C) an increase in activation energy 
D) an increase in substrate concentration

Question 12

Which of the following periods of dentofacial development is characterized by a rapid growth of the jaw in three planes of space?

Accepted Answer

A) The predentition period 
B) Deciduous dentition period 
C) Mixed Dentition Period 
D) Permanent dentition period

Question 13

Heparin is a rapidly acting, potent anticoagulant that has many important clinical uses. Which of the following is an action of heparin?

Accepted Answer

A) activates prothrombin 
B) acts with antithrombin III to inhibit thrombin activity 
C) decreases prothrombin time 
D) inhibits calcium action

Question 14

Which of the following signs is NOT present in lower motor neuron lesion?

Accepted Answer

A) True atrophy 
B) Weakness of individual muscles 
C) Fibrillations 
D) Exaggerated reflexes

Question 15

Aggressive perodontitis has what two forms:

Accepted Answer

A) Generalized and localized 
B) Assertive and aggressive 
C) Advanced and generalized 
D) Moderate and localized

Question 16

Anatomically, the term "clinical root"? can be defined as which of the following:

Accepted Answer

A) The space in the tooth that contains the pulp or "nerve" of the tooth 
B) The line that separates the anatomic crown from the clinical root 
C) The portion of the tooth that is covered with cementum, which is a bone-like substance that helps to anchor the tooth in its bony socket 
D) Part of the root that is actually embedded in the jaw

Question 17

Caries detection is:

Accepted Answer

A) Visual and tactical 
B) Visual only 
C) Tactical only 
D) Visual and tactical if aided by X-ray

Question 18

Calcium sulfate hemihydrate is the central ingredient of dental gypsum products. What is it used for?

Accepted Answer

A) Caries 
B) Casts for dental prosthesis manufacturing 
C) Casts for caries filling and dental prosthesis manufacturing 
D) Veneer development and identification

Question 19

When a drug dosage is increased to achieve the same effect as the first dosage, what has increased?

Accepted Answer

A) Drug tolerance 
B) Drug reliability 
C) Drug ineffectiveness 
D) Drug duration

Question 20

What is the most common odontogenic cyst?

Accepted Answer

A) Eruption cyst 
B) Dentigerous cyst 
C) Odontogenic keratocyst 
D) Nevoid cyst

Exam 1: Dental Board