Oral surgery L3: Instrument selection

Question 1

Q1: what is the difference between lower and upper forceps in reference to the beaks angulation.

Answer 1

The beaks for the lower arch are 90 degrees of the hinge and handle compared to the upper.

Question 2

Q2: which lower forcep can you predominately use on all lower teeth?

Answer 2

Lower universal forcep.

Question 3

Q3: what is the difference between the lower universal forcep, compared to the lower molar forcep?

Answer 3

The difference is the conformation of the beaks. The lower molar forcep has two pointed beaks, where the lower universal one has simple beaks.

Question 4

Q4: if the lower molars are broken down, what forceps would you use to extract the molars?

Answer 4

A cow horn forcep.

Question 5

Q5: what would be the contact point for the lower cow horn forcep to allow extraction?

Answer 5

The furcation of the molar.

Question 6

Q6: what forcep would you use for the lower, canines and incisors?

Answer 6

Lower universal forcep

Question 7

Q7: if there was obtained root present which forcep would you use?

Answer 7

A lower root forcep, which looks like the lower universal forcep, except it has narrower beaks.

Question 8

Q8: which forcep can be used to extract all upper teeth?

Answer 8

Upper universal forcep.

Question 9

Q9: why does the upper molar teeth have two separate forceps compared to the lower molar teeth?

Answer 9

This is due to tooth morphology, upper molar tooth have three roots compared to lower molar teeth. And the position of the roots are different in the upper right and left arch.

Question 10

Q10: if you are wanting to extract an upper right molar, which side would the pointed beak be facing?

Answer 10

The pointed beak would be facing the buccal aspect and rounded beak on the palatal aspect

Question 11

Q11: if you are wanting to extract an upper left molar, which side would the pointed beak be facing?

Answer 11

The pointed beak would be facing the buccal aspect and rounded beak on the palatal aspect

Question 12

Q12: when would you use an eagle beak?

Answer 12

Also known as the upper cow horn forcep, this forcep would be used for badly broken down upper molars.

Question 13

Q13: if your left hand is your dominant hand. Whilst you are extracting a lower left molar, where must you be standing?

Answer 13

Left side of the patient

Question 14

Q14: if your right hand is your dominant hand. Whilst you are extracting a lower right molar, where must you be standing?

Answer 14

Behind the patient

Question 15

Q15: when extracting a lower left molar, whilst your dominant hand is left. How would you use your non dominant hand to support whilst extracting?

Answer 15

Three fingers will be placed on the chin, whilst the thumb protects the tongue, the other finger will be sitting on the labial sulcus.

Question 16

Q16: when extracting lower premolars have conical roots, in addition to the buccal movement what other movement can you do?

Answer 16

A rotation movement.

Question 17

Q17: for a left handed operator, when extracting a lower right teeth, describe you position?

Answer 17

you should be in front of the patient.

Question 18

Q18: for a left handed operator, when extracting a lower right teeth, describe how you would support the mandible with your non dominant hand?

Answer 18

Your thumb would be placed under the chin, whilst one finger is placed in the buccal sulcus and one finger protecting the tongue.

Question 19

Q19: once you have placed your forcep on the selected tooth, before you do your buccal movements what must you do first?

Answer 19

An apical push

Question 20

Q20: for a left handed operator extracting an upper tooth, what position must the patient be in the dental chair (angle)?

Answer 20

The patient must be at a 45 degree angle, and slightly higher compared to a lower tooth extraction.

Question 21

Q21: for a left handed operator, when extracting a upper right teeth, describe you position?

Answer 21

you should be in front of the patient.

Question 22

Q22: for a left handed operator, when extracting a upper right tooth, describe how you would support the maxilla with your non dominant hand?

Answer 22

One finger would be placed in the buccal sulcus, whilst the thumb will be placed on the palate.

Question 23

Q23: for a left handed operator, when extracting a upper left tooth (upper 5), describe how you would support the maxilla with your non dominant hand?

Answer 23

Your thumb this time will be placed in the buccal sulcus and a finger on the palate.

Question 24

Q24: for a right handed operator, describe your position when extracting a lower right tooth (molars to canines)?

Answer 24

Behind the patient usually on the right side

Question 25

Q25: for a right handed operator, whilst extracting a lower right tooth (molars to canines), describe how you would support the mandible with you non dominant hand?

Answer 25

Three fingers will be placed under the chin, one finger will be placed in the buccal sulcus and the thumb would be protecting the thumb.

Question 26

Q26: if you are a right handed operator and wanting to extract right central incisors, describe your position?

Answer 26

you would be in front of the patient.

Question 27

Q27: for a right handed operator, describe your position when extracting a lower left tooth (central incisors to molars)?

Answer 27

you would be in front of the patient.

Question 28

Q28: for a right handed operator, whilst extracting a lower left tooth (incisors to molars), describe how you would support the mandible with your non dominant hand?

Answer 28

Your thumb would be placed under the chin, with one finger retracting the lib and one finger protecting the tongue.

Question 29

Q29: for maxillary extractions describe the patients hight level on the dental chair compared to mandibular extractions?

Answer 29

The height level of the patient would be higher compared to mandibular extractions

Question 30

Q30: for a right handed operator, describe your position when extracting a upper left tooth (central incisors to molars)?

Answer 30

you would be in front of the patient.

Question 31

Q31: for a right handed operator, whilst extracting a upper left tooth (incisors to premolars), describe how you would support the maxilla with your non dominant hand?

Answer 31

Your thumb would be placed on the palate, with one finger retracting the lib and the rest of the fingers curled up.

Question 32

Q32: what risk are present when dealing with three rooted tooth?

Answer 32

When extracting three rooted tooth, it is imperative you do not apply to much pressure on the roots, as they can fracture.

Question 33

Q33: for a right handed operator, whilst extracting a upper left/right tooth (molars), describe how you would support the maxilla with your non dominant hand?

Answer 33

You would change the position of your hands slightly compared to the other upper tooth. The thumb and finger would placed on the soft tissues near the tooth to be extracted.

Question 34

Q34: for a right handed operator, whilst extracting a lower right tooth (molars), describe how you would support the mandible with your non dominant hand?

Answer 34

The thumb would be protecting your tongue and finger would placed in the buccal sulcus and three fingers under the chin.

Question 35

Q35: exodontia is defined as?

Answer 35

The removal of teeth, including dento-alveolar surgery.

Question 36

Q1: how many couplands elevators are there?

Answer 36

3

Question 37

Q2: what is the name of this instrument?

Answer 37

Couplands elevators

Question 38

Q3: which dental instrument would you use to widen the neck of the socket?

Answer 38

Couplands elevators

Question 39

Q4: couplands elevators are commonly used to elevate compacted …………………..?

Answer 39

compacted third molars

Question 40

Q5: which instrument looks like a couplands elevator and what is the difference between them?

Answer 40

A luxator. The difference between a luxator and Coupland is,

1. A luxator is only used to facilitate the enlargement of a socket.
2. A luxator has a rounded edge whilst a Coupland has a flat shovel shaped.

Question 41

Q6: name these dental instrument

Answer 41

Warwick-James elevator

Question 42

Q7: name these dental instrument?

Answer 42

Cryers elevators

Question 43

Q8: when using a Coupland elevator, the curved surface should touch what part of the mouth?

Answer 43

The curved surface of the Coupland should touch the flat surface of the tooth.