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Oral Surgery III > Final > Flashcards

Final Flashcards

1
Q

Even with profound local anesthesia, patients will still experience discomfort from:

a. periodontal ligament
b. the pulp
c. pressure placed on the tooth and the jaw joints

A

c. pressure placed on the tooth and the jaw joints

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2
Q

A serious reason to remove a tooth is that:

a. a caries
b. a severe caries
c. it is so severely carious that it cannot be restored

A

c. it is so severely carious that it cannot be restored

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3
Q

If adult periodontitis has existed an indication for extraction is:

a. the stability of the teeth
b. the hypomobile of the teeth
c. the hypermobile of the teeth

A

c. the hypermobile of the teeth

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4
Q

Generally, the contraindications of removal of teeth are divided into two groups:

a. general and local
b. systemic and general
c. systemic and local

A

c. systemic and local

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5
Q

(2 answers) Systemic contraindications for removal of teeth are:

a. unstable angina pectoris
b. history of therapeutic radiation for cancer
c. recent significant myocardial infarction

A

a. unstable angina pectoris

c. recent significant myocardial infarction

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6
Q

(2 answers) Acute infection is not a contraindication to extraction but it may be difficult to extract such a tooth because:

a. the incidence of complications decreases
b. it may be difficult to reach a state of profound local anesthesia
c. the patient may not be able to open the mouth sufficiently wide

A

b. it may be difficult to reach a state of profound local anesthesia
c. the patient may not be able to open the mouth sufficiently wide

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7
Q

Radiographs should probably be retaken before surgery if they are older than:

a. 1 year
b. 3 years
c. 2 years

A

a. 1 year

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8
Q

Radiographs taken before the removal of mandibular premolar teeth should include:

a. the nasopalatine nerve
b. the mental foramen
c. the lingual nerve

A

b. the mental foramen

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9
Q

(2 answers) The correct position during extraction allows the surgeon to keep:

a. the wrists straight enough to deliver the force with the fingers and hand
b. the arms close to the body and provides stability and support
c. the wrists straight enough to deliver the force with the arm and shoulder

A

b. the arms close to the body and provides stability and support
c. the wrists straight enough to deliver the force with the arm and shoulder

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10
Q

For a maxillary extraction, the chair should be tipped backwards so that the maxillary occlusal plane is:

a. at an angle of about 90 degrees to the floor
b. at an angle of about 60 degrees to the floor
c. parallel to the floor

A

b. at an angle of about 60 degrees to the floor

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11
Q

The height of the chair during the extraction should be such that the patient’s mouth is:

a. at or slightly below the operator’s eyes level
b. at or slightly below the operator’s shoulder level
c. at or slightly below the operator’s elbow level

A

c. at or slightly below the operator’s elbow level

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12
Q

An example of the use of a lever to remove a tooth is:

a. use of a triangular elevator
b. use of a straight elevator
c. use of a tooth forceps

A

b. use of a straight elevator

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13
Q

The beaks of the forceps, to expand alveolar bone and displace the tooth in occlusal direction, act as:

a. wheel and axle
b. lever
c. wedges

A

c. wedges

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14
Q

The apical pressure of the forceps on the tooth during extraction causes:

a. bone replacement
b. bone fracture
c. bony expansion

A

c. bony expansion

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15
Q

The chance of fracturing of the root apex during extraction increases if:

a. the center of rotation is low and a small amount of force is placed on the apical region
b. the center of rotation is high and a large amount of force is placed on the apical region
c. the center of rotation is high and a small amount of force is placed on the apical region

A

b. the center of rotation is high and a large amount of force is placed on the apical region

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16
Q

(2 answers) One of the major pressure or movement applied by forceps is the buccal force so excessive force can:

a. expand the linguocrestal bone
b. cause a fracture of the apical portion of the root
c. fracture buccal bone

A

b. cause a fracture of the apical portion of the root

c. fracture buccal bone

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17
Q

Rotational forces applied by forceps, are useful for teeth with:

a. multiple roots
b. double roots
c. conical roots

A

c. conical roots

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18
Q

Mandibular molar teeth have thicker buccal bone and usually require:

a. strong rotational pressure first
b. strong lingual pressure first
c. strong buccal pressure first

A

b. strong lingual pressure first

19
Q

The closed technique for extraction of teeth is also known as:

a. the routine technique
b. the surgical technique
c. the flap technique

A

a. the routine technique

20
Q

The beaks of the forceps during the extraction of teeth must be:

a. held vertical to the long axis of the tooth
b. held parallel to the long axis of the tooth
c. held parallel to the width of tooth

A

b. held parallel to the long axis of the tooth

21
Q

In the correct position for the extraction of maxillary left or anterior teeth, the left index finger of the surgeon:

a. should reflect the tongue
b. should reflect the lip and cheek tissues
c. should rest on the palatal alveolar process

A

b. should reflect the lip and cheek tissues

22
Q

Extraction of maxillary incisors. Alveolar bone is thin on the labial side and heavier on the palatal side, which indicates that the major expansion of the alveolar process will be:

a. in the lingual direction
b. in the buccal direction
c. in the labial direction

A

c. in the labial direction

23
Q

The initial movement for maxillary canine extraction is:

a. apical and then to the buccal aspect, with return pressure to palatal
b. buccal and then apical and pressure to palatal
c. palatal and then apical and pressure to the buccal

A

a. apical and then to the buccal aspect, with return pressure to palatal

24
Q

The maxillary first molar has three large and strong roots and the surgeon must minimize palatal force because this is the force that fractures:

a. all of them
b. the buccal root
c. the palatal root

A

c. the palatal root

25
Q

In case of root fracture of the first maxillary molar, is preferable to fracture (because it is easier to retrieve this root):

a. a buccal root rather than a palatal root
b. a palate root rather than a buccal root
c. both of them

A

a. a buccal root rather than a palatal root

26
Q

Mandibular teeth, when removing lower molar, the index finger of the left hand is:

a. in the buccal vestibule
b. in the lingual vestibule
c. placed below the chin

A

a. in the buccal vestibule

27
Q

Mandibular premolars are among the easiest teeth to remove. The overlying alveolar bone is:

a. thin on the labial and lingual sides
b. thin on the buccal aspect and heavier on the lingual side
c. thin on the lingual aspect and heavier on the buccal side

A

b. thin on the buccal aspect and heavier on the lingual side

28
Q

The second mandibular molar can be removed more easily with:

a. with rotational pressure
b. stronger buccal pressure than lingual pressure
c. stronger lingual pressure than buccal pressure

A

c. stronger lingual pressure than buccal pressure

29
Q

A process that results in the complete absence of microorganisms, including bacteria, viruses and bacterial spores is:

a. antisepsis
b. sterilization
c. clean

A

b. sterilization

30
Q

The reduction of the number of viable microorganisms to levels judged safe to public health standards is:

a. sterility
b. decontamination
c. sanitization

A

c. sanitization

31
Q

(2 answers) Moist heat sterilization is more efficient than dry heat because:

a. requires less time for sterilization
b. it is effective at much higher temperature
c. it is effective at much lower temperature

A

a. requires less time for sterilization

c. it is effective at much lower temperature

32
Q

When the soft tissue flap is designed, the flap must have a base that is:

a. equal with the free gingival margin
b. broader than the free gingival margin
c. narrrow than the free gingival margin

A

b. broader than the free gingival margin

33
Q

For an envelope flap to be of adequate size, the length of the flap in the anteroposterior dimension usually extends:

a. two teeth anterior and one tooth posterior to the area of surgery
b. one tooth anterior and one tooth posterior to the area of surgery
c. one tooth anterior and two teeth posterior to the area of surgery

A

a. two teeth anterior and one tooth posterior to the area of surgery

34
Q

If the lower molar is difficult to extract it can be sectioned into single - rooted teeth. A drill is used to section the tooth into:

a. mesial and distal halves
b. crowns and roots
c. buccal and lingual halves

A

a. mesial and distal halves

35
Q

(2 answers) Extraction Sequencing if multiple extraction is needed. Maxillary teeth should usually be removed first and mandible teeth last, because:

a. an infiltration anesthetic for maxillary teeth has a more rapid onset
b. an infiltration anesthetic for maxillary teeth has a more slow onset
c. during the extraction process, debris may fall into the empty sockets of the lower teeth

A

a. an infiltration anesthetic for maxillary teeth has a more rapid onset
c. during the extraction process, debris may fall into the empty sockets of the lower teeth

36
Q

Extraction Sequencing if multiple extraction is needed. The canine, should be extracted:

a. first
b. second
c. last

A

c. last

37
Q

Extraction Sequencing if multiple extraction is needed. Tooth removal usually begins with extraction of:

a. the most posterior teeth after canine
b. the most posterior teeth first
c. the most posterior teeth last

A

b. the most posterior teeth first

38
Q

Extraction Sequencing if teeth in the mandibular left quadrants are to be extracted the following order is recommended:

a. 1st mandibular anterior teeth, leaving the canine
b. 2nd mandibular posterior teeth
c. 3th mandibular canine

A

c. 3th mandibular canine

39
Q

After an extraction, the initial maneuver to control postoperative bleeding is the placement of a small piece of gauze directly over the socket. The patient should be instructed to:

a. bite firmly on this gauze for at least 30 minutes
b. chew on the gauze for at least 30 minutes
c. bite firmly on this gauze for at least 5 minutes

A

a. bite firmly on this gauze for at least 30 minutes

40
Q

(2 answers) After an extraction, patients should be cautioned to avoid things that may aggravate the bleeding like:

a. not spit
b. to suck on a straw when drinking
c. to avoid smoking

A

a. not spit

c. to avoid smoking

41
Q

Swelling usually reaches its maximum 36 to 48 hours after the surgical procedure. Increased swelling after the third day:

a. may be an indication of infection
b. may be an indication of postsurgical healing
c. may be an indication of postsurgical edema

A

a. may be an indication of infection

42
Q

Ice packs help to minimize the swelling and make the patient feel more comfortable after tooth extraciton:

a. ice should be placed directly on skin of the face
b. ice should not be placed directly on skin of the face
c. ice should be placed directly on the socket

A

b. ice should not be placed directly on skin of the face

43
Q

Fractured mandibular molar roots that are being removed with apical pressures may be displaced:

a. into the infratemporal space
b. into the sinus
c. into the submandibular space

A

c. into the submandibular space

Oral Surgery III (2 decks)

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