Basic instrumentation Flashcards
What is the most common blade used in oral surgery?
-15 blade
What part of the blade do you cut with?
-The belly of the blade, not the tip
What is the most frequently used retractor?
-Minnesota
What is the Sweet-heart (Wider) retractor used for?
-To retract the tongue
What technique is used for bone removal?
-Surgical bur
What are rongeurs?
-Bone removal instrument (like clippers)
If you are removing a cyst or a periapical granuloma what instrument would you use?
-Curette
What is the 150 forcep used for?
-Maxillary arch
What are 53 forceps used for?
-Maxillary molars
What do you use 88 forceps for?
-Maxillary molars
What do you use the 151 forceps for?
-Mandibular molars
What are the 23 cowhorn forceps used for?
-mandibular molars
What is the most frequent tooth to get a sinus exposure?
-Maxillary 1st molar
What teeth most commonly fracture during extraction on the maxillary arch?
-1st pre-molar (especially the buccal root)
For a maxillary extraction where should the chair be positioned?
- 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
Should the chair be lower or higher for mandibular extraction when compared to maxillary extraction?
-Lower and the pt more upright
What is the first step in removing a tooth ?
-Separation of teeth from soft tissue
What are the four mechanical principles for tooth extractions?
- Expansion of the bony socket
- Use of fulcrum or lever
- Insertions of wedge(s)
- Wheel and axle
How should the forceps be seated when extracting a tooth?
-Strong apical pressure to expand crestal bone
What does excess motion of root apex caused by a high center of rotation result in?
-Fracture of root apex
What does buccal or labial pressure applied to the tooth do?
-Expand the buccal cortical plate with some lingual expansion
What teeth are easier to roll lingual-occlusal?
-2nd and 3rd mandibular molars
How many movements are used in extractions?
-Three (outward, inward, and rotatory
Where should the extraction forceps blade be applied on a tooth with a carious lesion?
-The carious side first and the first movement made toward the caries
