ROENT, ORAL DIAGNOSIS AND ORAL SURGERY Flashcards
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?
Wrong horizontal angulation.
It is not a differential diagnosis of leukoplakia.
Suction petechiae
Type of healing process seen in the extraction socket of a tooth.
Secondary
The palatal torus must be removed ___
If the patient is cancer phobic
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.
PET scan
Which of the following is an oral manifestation of Peutz-Jegher syndrome?
Supernumerary teeth
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?
Continue with the extraction but observe local hemostatic techniques.
Peripheral giant cell granuloma describe as:
-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.
A patient suffering from a liver disease may possibly have this complicated during extraction.
Bleeding
For periapical infections extending through buccal plate creating a vestibular abscess, a penrose drain is indicated. This drain should be removed ____ after placement.
2 to 5 days
The red line in Winter’s WAR lines refers to.
The amount of bone that will have to be removed before elevation.
A type of lesion presenting loculations of white fluid that is deut activity of PMN cells.
Pustules
Which of the following is not a clinical manifestation of Paget’s disease?
Bones become cooler due to reduce vascular supply.
Sialodenitis refers to:
Inflammation of salivary gland
This is the most common complication of an open fracture
Infection
Foreshortening of the radiographic image is due to:
Increase vertical angulation
Focal spot size of dental x-rays have a size of:
0.6 to 1.0 mm squared
The following are instruments commonly used to grasp soft tissues and doesn’t have crushing ability:
-Towel clip
-Stillies
-Adson
The following are features of ameloblastoma:
-Multilocular radiolucency
-Can rise from the wall of a dentigerous cyst
-Aggressive
A painful lesion presenting a well-defined radiopacity with a radiolucent rim showing a central radiopaque nidus surrounded by a radiolucent border.
Osteoid osteoma
Treatment for odontoma
Enucleation
Trigeminal nerve provides innervation for all of the following:
-Oral cavity
-Paranasal sinuses
-Nasal Cavity
Elongation of the radiographic image is due to which of the following?
Inadequate vertical angulation
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:
Incisional biopsy
It is the treatment of choice for painful nodules representing traumatic neuroma.
Excision of the entire lesion along with a small proximal portion of the involved nerve.
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:
Size 0 periapical
Which is the average developing and fixing time of an x-ray film?
5 minutes developing time and 10 minutes fixing time.
It is a constant feature associated with radicular cyst.
Non-vital tooth
The standard periapical film size used in for adult patients.
31mm x 41mm
The minimum required distance from the apex of a mandibular posterior implant to the superior border of inferior alveolar canal is:
2mm
An anti-fog or restrainer component of the developing agent
Potassium bromide
One of the most common benign tumors associated in the TMJ, condyle and coronoid process.
osteochondroma
Which of the following is a type of bone-implant interface?
-Fibro-osseous integration
-Osseointegration
-Biointegration
Failure of implants is frequently seen in:
Maxillary posterior
If you will be taking a periapical x-ray of a lower premolar of an adult, the film size that should be used is:
Size 2 periapical
A patient with adrenal insufficiency will have a low tolerance to:
Stress
Initial manifestation of kidney stones.
Oliguria
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?
Increase the dose of the steroid.
It is the degree of density difference between two areas on a radiograph.
Contrast
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.
Waters projection.
Lightning or crackled structures in the film is due to:
Static Electricity
A leukoplakia found in the oral cavity predisposes a patient to:
Malignancy
Proper biopsy technique for a lesion that is 3mm in diameter in which the lesion appears to be benign.
Excisional biopsy
It is also known as the pindborg tumor.
CEOT
Collimators.
Circular collimators produce a cone beam that has a size of 2.75 inches or 7cm
If the surgeon wants to deepen the sulcus of a patient who will receive a denture, the procedure that should be done is:
Vestibuloplasty
Doesn’t emit ionizing radition.
Magnetic resonance imaging
Resorbable sutures
-Plain catgut
-Chromic
-Synthetic
Etiology of mucus extravasation phenomenon is considered to be related to:
Mechanical trauma to the duct
How much hydrocortisone is secreted daily for an individual who is not stressed?
20mg
This is the tooth root that is most likely to be pushed into the maxillary sinus.
Maxillary first molar
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?
Townes projection
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?
Submentovertex projection
Blade that is commonly used for extraoral surgeries.
10
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)
1st false and the second is true.
Ohm’s Law
V=I x R
Characteristics of Adenomatoid odontogenic tumor
Poorly-circumscribed radiolucent lesion.
The basic design for a complete implant-supported fixed prosthesis uses how many implants.
6 to 8
It is the acidifier of the fixing agent which neutralizes the developer.
Acetic acid
A heart-shaped radiolucency in midline (between maxillary central incisors) is most probably a:
Nasopalatine duct cyst
The cause of cone cut in a radiograph image
Beam was not aimed at the center of the film.
This is the size of a periapical film used for pediatric patients.
22mm x 35mm
Light spots on the film is due to:
Contact of film in the fixer prior to processing.
The quantity of x-rays produced is determined by which of the following?
Miliamperage
Dentinogenic ghost cell tumor which is a variant of Gorlin cyst is treated by:
Excision or curettage
The following are factors that may impair wound healing:
-Immunocompromise patient
-tension on the wound
-Necrotic tissues
The following are the different types of implants:
-Endosseous implants
-Subperiosteal implants
-Transosseous implants
It is the most serious blood disorder (blood dyscrasia) associated with drug toxicity
Aplastic anemia
Clinical features of the ossifying fibroma:
-Slowing growing expansile lesion
-Asymptomatic
-Common in young adults around 35 years of age.
The largest contributor to the radiation exposure of people today is the natural radiation. It contributes around ____ of radiation exposure.
83 %
Neurological disorder related to sturge-weber syndrome:
-Hemiparesis
-Mental retardation
-Petit mal
This Projection which is also known as the “Jug handle view” allows direct visualization of the base of the skull.
Submentovertex projection
The most common type of blade used for oral surgery is:
15
A piece of dead tissue cast from the surface of the skin, particularly during a burn injury, gangrene and anthrax?
Eschars
Peripheral giant cell granuloma arises from which of the following tissues?
PDL
Which of the following will have greatly affect the success of a dental implant?
Smoking habit
Handpieces that are used in placing implants have what characteristic?
Low speed/high torque
According to the guideline of BLS, in order to open the airway this is the technique proposed
Chin lift
For all-implant-supported overdentures in the maxilla, 6 implants are recommended while 4 on the mandible. (true or false)
Both statements are true
It is advisable not to remove any bone on this region during extraction of an impacted teeth.
Lingual
Normal hematocrit count
47% in males and 42% in females
The thickness of the film base of the x-ray film is around
0.2 mm
Components of fixing solution are:
-Thiosulfate
-Acetic Acid
-Potassium alum
Sutton’s disease is a severe form of which of the following disease?
Recurrent aphthous stomatitis.
Blade implants are indicated when ____.
There is insufficient width of the bone but adequate depth is present.
Filtration process is important when taking radiographs because it
Removes long wavelength x-rays.
Inverted pear-shaped cyst that is commonly found between the maxillary lateral incisors and canine, and usually causes divergence of their roots.
Globulomaxillary cyst
Peripheral Giant Cell Granulomas are commonly found in:
Gingiva
During extraction of a maxillary third molar, The tuberosity fractures and remains attached to the periosteum. Which of the following is the proper treatment?
Reposition and Stabilized with suture.
The proper treatment for stomatitis nicotina is:
Stop smoking
A common instrument used for bone removal.
Rongeur
Function of a Collimator
It is used to reduce and resize the x-ray beam.
It is the salivary gland that is most commonly associated with tumors.
Parotid gland
A cyst that replaced a missing tooth because it developed from a tooth bud.
Primordial cyst
Which of the following is true with regards to a patient with well-controlled diabetes and a normal patient?
Patients with well-controlled diabetes are more susceptible to infections than patients without diabetes.
Initial management for a patient in syncope.
Place patient’s head lower than the legs.
After processing a film, you notice that it appears too dark. What is the most likely caused of this problem?
Excessive developing time.
During surgical procedures, rotary instruments can increase the temperature of hard tissues. What is the minimum critical temperature that may cause bone necrosis?
46 to 50 degrees celsius
Post-extraction bleeding in a patient with leukemia is due to:
Platelet deficiency
