Basic instrumentation

Question 1

What is the most common blade used in oral surgery?

Answer 1

-15 blade

Question 2

What part of the blade do you cut with?

Answer 2

-The belly of the blade, not the tip

Question 3

What is the most frequently used retractor?

Answer 3

-Minnesota

Question 4

What is the Sweet-heart (Wider) retractor used for?

Answer 4

-To retract the tongue

Question 5

What technique is used for bone removal?

Answer 5

-Surgical bur

Question 6

What are rongeurs?

Answer 6

-Bone removal instrument (like clippers)

Question 7

If you are removing a cyst or a periapical granuloma what instrument would you use?

Answer 7

-Curette

Question 8

What is the 150 forcep used for?

Answer 8

-Maxillary arch

Question 9

What are 53 forceps used for?

Answer 9

-Maxillary molars

Question 10

What do you use 88 forceps for?

Answer 10

-Maxillary molars

Question 11

What do you use the 151 forceps for?

Answer 11

-Mandibular molars

Question 12

What are the 23 cowhorn forceps used for?

Answer 12

-mandibular molars

Question 13

What is the most frequent tooth to get a sinus exposure?

Answer 13

-Maxillary 1st molar

Question 14

What teeth most commonly fracture during extraction on the maxillary arch?

Answer 14

-1st pre-molar (especially the buccal root)

Question 15

For a maxillary extraction where should the chair be positioned?

Answer 15

• tipped back and maxillary occlusal plane at 60 degrees to the floor
• The chair should be patient’s mouth at or below the operators elbow level

Question 16

Should the chair be lower or higher for mandibular extraction when compared to maxillary extraction?

Answer 16

-Lower and the pt more upright

Question 17

What is the first step in removing a tooth ?

Answer 17

-Separation of teeth from soft tissue

Question 18

What are the four mechanical principles for tooth extractions?

Answer 18

• Expansion of the bony socket
• Use of fulcrum or lever
• Insertions of wedge(s)
• Wheel and axle

Question 19

How should the forceps be seated when extracting a tooth?

Answer 19

-Strong apical pressure to expand crestal bone

Question 20

What does excess motion of root apex caused by a high center of rotation result in?

Answer 20

-Fracture of root apex

Question 21

What does buccal or labial pressure applied to the tooth do?

Answer 21

-Expand the buccal cortical plate with some lingual expansion

Question 22

What teeth are easier to roll lingual-occlusal?

Answer 22

-2nd and 3rd mandibular molars

Question 23

How many movements are used in extractions?

Answer 23

-Three (outward, inward, and rotatory

Question 24

Where should the extraction forceps blade be applied on a tooth with a carious lesion?

Answer 24

-The carious side first and the first movement made toward the caries