ROENT, ORAL DIAGNOSIS AND ORAL SURGERY

Question 1

The dental hygienist took a periapical x-ray of the mandibular posterior teeth. After developing, you saw that the contact areas of the teeth are overlapped to each other. This is due to?

Answer 1

Wrong horizontal angulation.

Question 2

It is not a differential diagnosis of leukoplakia.

Answer 2

Suction petechiae

Question 3

Type of healing process seen in the extraction socket of a tooth.

Answer 3

Secondary

Question 4

The palatal torus must be removed ___

Answer 4

If the patient is cancer phobic

Question 5

A type of imaging where a patient is given radioactive sugar substance. The injected materials is absorbed by abnormal cells resulting to an image in the scan allowing identification of the pathogenic cells in the body.

Answer 5

PET scan

Question 6

Which of the following is an oral manifestation of Peutz-Jegher syndrome?

Answer 6

Supernumerary teeth

Question 7

A patient comes to your clinic for a routine surgery. He is under low-dose aspirin therapy. Which of the following procedures must be followed?

Answer 7

Continue with the extraction but observe local hemostatic techniques.

Question 8

Peripheral giant cell granuloma describe as:

Answer 8

-They are red-blue masses found in the gingiva
-They are commonly occur between the first molars and incisors.
-They are commonly found in females than in females.

Question 9

A patient suffering from a liver disease may possibly have this complicated during extraction.

Answer 9

Bleeding

Question 10

For periapical infections extending through buccal plate creating a vestibular abscess, a penrose drain is indicated. This drain should be removed ____ after placement.

Answer 10

2 to 5 days

Question 11

The red line in Winter’s WAR lines refers to.

Answer 11

The amount of bone that will have to be removed before elevation.

Question 12

A type of lesion presenting loculations of white fluid that is deut activity of PMN cells.

Answer 12

Pustules

Question 13

Which of the following is not a clinical manifestation of Paget’s disease?

Answer 13

Bones become cooler due to reduce vascular supply.

Question 14

Sialodenitis refers to:

Answer 14

Inflammation of salivary gland

Question 15

This is the most common complication of an open fracture

Answer 15

Infection

Question 16

Foreshortening of the radiographic image is due to:

Answer 16

Increase vertical angulation

Question 17

Focal spot size of dental x-rays have a size of:

Answer 17

0.6 to 1.0 mm squared

Question 18

The following are instruments commonly used to grasp soft tissues and doesn’t have crushing ability:

Answer 18

-Towel clip
-Stillies
-Adson

Question 19

The following are features of ameloblastoma:

Answer 19

-Multilocular radiolucency
-Can rise from the wall of a dentigerous cyst
-Aggressive

Question 20

A painful lesion presenting a well-defined radiopacity with a radiolucent rim showing a central radiopaque nidus surrounded by a radiolucent border.

Answer 20

Osteoid osteoma

Question 21

Treatment for odontoma

Answer 21

Enucleation

Question 22

Trigeminal nerve provides innervation for all of the following:

Answer 22

-Oral cavity
-Paranasal sinuses
-Nasal Cavity

Question 23

Elongation of the radiographic image is due to which of the following?

Answer 23

Inadequate vertical angulation

Question 24

A patient present to your clinic with a 13mm ulcer found in the floor of the mouth. The borders are indurated and it is asymptomatic. Treatment of choice is:

Answer 24

Incisional biopsy

Question 25

It is the treatment of choice for painful nodules representing traumatic neuroma.

Answer 25

Excision of the entire lesion along with a small proximal portion of the involved nerve.

Question 26

If you will be taking a periapical x-ray of a maxillary primary molar of a child, the film size that should be used is:

Answer 26

Size 0 periapical

Question 27

Which is the average developing and fixing time of an x-ray film?

Answer 27

5 minutes developing time and 10 minutes fixing time.

Question 28

It is a constant feature associated with radicular cyst.

Answer 28

Non-vital tooth

Question 29

The standard periapical film size used in for adult patients.

Answer 29

31mm x 41mm

Question 30

The minimum required distance from the apex of a mandibular posterior implant to the superior border of inferior alveolar canal is:

Answer 30

2mm

Question 31

An anti-fog or restrainer component of the developing agent

Answer 31

Potassium bromide

Question 32

One of the most common benign tumors associated in the TMJ, condyle and coronoid process.

Answer 32

osteochondroma

Question 33

Which of the following is a type of bone-implant interface?

Answer 33

-Fibro-osseous integration -Osseointegration -Biointegration

Question 34

Failure of implants is frequently seen in:

Answer 34

Maxillary posterior

Question 35

If you will be taking a periapical x-ray of a lower premolar of an adult, the film size that should be used is:

Answer 35

Size 2 periapical

Question 36

A patient with adrenal insufficiency will have a low tolerance to:

Answer 36

Stress

Question 37

Initial manifestation of kidney stones.

Answer 37

Oliguria

Question 38

Patient is under chronic steroidal therapy that needs to undergo odontectomy of an impacted #38. Laboratory test shows that the patient has adrenal insufficiency. Which is the proper pre-operative management for the patient?

Answer 38

Increase the dose of the steroid.

Question 39

It is the degree of density difference between two areas on a radiograph.

Answer 39

Contrast

Question 40

An emergency patient arrives complaining of swelling associated with a carious upper left molar. The patient complains of "stuffiness" and feels more so when she bends over to pick up stuff. Which of the following projections is best for the examination of the maxillary sinus.

Answer 40

Waters projection.

Question 41

Lightning or crackled structures in the film is due to:

Answer 41

Static Electricity

Question 42

A leukoplakia found in the oral cavity predisposes a patient to:

Answer 42

Malignancy

Question 43

Proper biopsy technique for a lesion that is 3mm in diameter in which the lesion appears to be benign.

Answer 43

Excisional biopsy

Question 44

It is also known as the pindborg tumor.

Answer 44

CEOT

Question 45

Collimators.

Answer 45

Circular collimators produce a cone beam that has a size of 2.75 inches or 7cm

Question 46

If the surgeon wants to deepen the sulcus of a patient who will receive a denture, the procedure that should be done is:

Answer 46

Vestibuloplasty

Question 47

Doesn't emit ionizing radition.

Answer 47

Magnetic resonance imaging

Question 48

Resorbable sutures

Answer 48

-Plain catgut -Chromic -Synthetic

Question 49

Etiology of mucus extravasation phenomenon is considered to be related to:

Answer 49

Mechanical trauma to the duct

Question 50

How much hydrocortisone is secreted daily for an individual who is not stressed?

Answer 50

20mg

Question 51

This is the tooth root that is most likely to be pushed into the maxillary sinus.

Answer 51

Maxillary first molar

Question 52

You are doing a lengthy dental procedure in a patient. Immediately after, he suddenly gets up too fast, feels dizzy and falls into the ground, chin first. You suspect a bilateral subcondylar fracture. Which projection is ideally used for the examination?

Answer 52

Townes projection

Question 53

A patient has been in a bar fight where he was punched just below the right eye. The dentist suspects a zygomatic complex fracture. Which of the following projections is best used for this examination?

Answer 53

Submentovertex projection

Question 54

Blade that is commonly used for extraoral surgeries.

Answer 54

#10

Question 55

It is contraindicated to extract a tooth while there is an acute infection. The presence of the acute infection will lead to lesser effectiveness of the local anesthesia. (true or false)

Answer 55

1st false and the second is true.

Question 56

Ohm's Law

Answer 56

V=I x R

Question 57

Characteristics of Adenomatoid odontogenic tumor

Answer 57

Poorly-circumscribed radiolucent lesion.

Question 58

The basic design for a complete implant-supported fixed prosthesis uses how many implants.

Answer 58

6 to 8

Question 59

It is the acidifier of the fixing agent which neutralizes the developer.

Answer 59

Acetic acid

Question 60

A heart-shaped radiolucency in midline (between maxillary central incisors) is most probably a:

Answer 60

Nasopalatine duct cyst

Question 61

The cause of cone cut in a radiograph image

Answer 61

Beam was not aimed at the center of the film.

Question 62

This is the size of a periapical film used for pediatric patients.

Answer 62

22mm x 35mm

Question 63

Light spots on the film is due to:

Answer 63

Contact of film in the fixer prior to processing.

Question 64

The quantity of x-rays produced is determined by which of the following?

Answer 64

Miliamperage

Question 65

Dentinogenic ghost cell tumor which is a variant of Gorlin cyst is treated by:

Answer 65

Excision or curettage

Question 66

The following are factors that may impair wound healing:

Answer 66

-Immunocompromise patient -tension on the wound -Necrotic tissues

Question 67

The following are the different types of implants:

Answer 67

-Endosseous implants -Subperiosteal implants -Transosseous implants

Question 68

It is the most serious blood disorder (blood dyscrasia) associated with drug toxicity

Answer 68

Aplastic anemia

Question 69

Clinical features of the ossifying fibroma:

Answer 69

-Slowing growing expansile lesion -Asymptomatic -Common in young adults around 35 years of age.

Question 70

The largest contributor to the radiation exposure of people today is the natural radiation. It contributes around ____ of radiation exposure.

Answer 70

83 %

Question 71

Neurological disorder related to sturge-weber syndrome:

Answer 71

-Hemiparesis -Mental retardation -Petit mal

Question 72

This Projection which is also known as the "Jug handle view" allows direct visualization of the base of the skull.

Answer 72

Submentovertex projection

Question 73

The most common type of blade used for oral surgery is:

Answer 73

#15

Question 74

A piece of dead tissue cast from the surface of the skin, particularly during a burn injury, gangrene and anthrax?

Answer 74

Eschars

Question 75

Peripheral giant cell granuloma arises from which of the following tissues?

Answer 75

PDL

Question 76

Which of the following will have greatly affect the success of a dental implant?

Answer 76

Smoking habit

Question 77

Handpieces that are used in placing implants have what characteristic?

Answer 77

Low speed/high torque

Question 78

According to the guideline of BLS, in order to open the airway this is the technique proposed

Answer 78

Chin lift

Question 79

For all-implant-supported overdentures in the maxilla, 6 implants are recommended while 4 on the mandible. (true or false)

Answer 79

Both statements are true

Question 80

It is advisable not to remove any bone on this region during extraction of an impacted teeth.

Answer 80

Lingual

Question 81

Normal hematocrit count

Answer 81

47% in males and 42% in females

Question 82

The thickness of the film base of the x-ray film is around

Answer 82

0.2 mm

Question 83

Components of fixing solution are:

Answer 83

-Thiosulfate -Acetic Acid -Potassium alum

Question 84

Sutton's disease is a severe form of which of the following disease?

Answer 84

Recurrent aphthous stomatitis.

Question 85

Blade implants are indicated when ____.

Answer 85

There is insufficient width of the bone but adequate depth is present.

Question 86

Filtration process is important when taking radiographs because it

Answer 86

Removes long wavelength x-rays.

Question 87

Inverted pear-shaped cyst that is commonly found between the maxillary lateral incisors and canine, and usually causes divergence of their roots.

Answer 87

Globulomaxillary cyst

Question 88

Peripheral Giant Cell Granulomas are commonly found in:

Answer 88

Gingiva

Question 89

During extraction of a maxillary third molar, The tuberosity fractures and remains attached to the periosteum. Which of the following is the proper treatment?

Answer 89

Reposition and Stabilized with suture.

Question 90

The proper treatment for stomatitis nicotina is:

Answer 90

Stop smoking

Question 91

A common instrument used for bone removal.

Answer 91

Rongeur

Question 92

Function of a Collimator

Answer 92

It is used to reduce and resize the x-ray beam.

Question 93

It is the salivary gland that is most commonly associated with tumors.

Answer 93

Parotid gland

Question 94

A cyst that replaced a missing tooth because it developed from a tooth bud.

Answer 94

Primordial cyst

Question 95

Which of the following is true with regards to a patient with well-controlled diabetes and a normal patient?

Answer 95

Patients with well-controlled diabetes are more susceptible to infections than patients without diabetes.

Question 96

Initial management for a patient in syncope.

Answer 96

Place patient's head lower than the legs.

Question 97

After processing a film, you notice that it appears too dark. What is the most likely caused of this problem?

Answer 97

Excessive developing time.

Question 98

During surgical procedures, rotary instruments can increase the temperature of hard tissues. What is the minimum critical temperature that may cause bone necrosis?

Answer 98

46 to 50 degrees celsius

Question 99

Post-extraction bleeding in a patient with leukemia is due to:

Answer 99

Platelet deficiency