Ergonomic Review

Question 1

_____ is one of the most important things you learn in dental school

Answer 1

ergonomics

Question 2

many dentist retire early due to

Answer 2

musculoskeltal disorders

Question 3

if you are forced to retire 5 years early could cost the dentist

Answer 3

$1,000,000

Question 4

what are the goals of ergonomics?

Answer 4

• prevent MSD
• increase safety and productivity
• enhance performance
• improve standard of care

Question 5

what are symptoms of MSDs?

Answer 5

• fatigue in shoulder and neck
• tingling, burning, and other pain in the arms
• weak grip, cramping in the hands
• numbess in the fingers
• clumsiness
• hypersensitivity in hands

Question 6

Cumalative Trauma Disorders usually begin with

Answer 6

micro trauma

Question 7

what are the most common CTDs?

Answer 7

• chronic back pain
• tension neck sydrome
• trapezius myalgia

Question 8

Chornic back pain

Answer 8

caused by poor posture and weak trunk

Question 9

tension neck sydrome

Answer 9

common with forward head position

Question 10

trapezius myalgia

Answer 10

pain and tenderness form sustatiend contraction of upper traps

Question 11

rotor cuff impingement

Answer 11

shoulder pain from over-reaching

Question 12

carpal tunnel syndrome

Answer 12

medial nerve compression in the wrist from a flexed wrist

Question 13

what are the 3 Ps

Answer 13

• posture
• postioning
• periodic stretching

Question 14

posture

Answer 14

• maintain neutral postion
• feet flat on the floor

Question 15

what is the neutral neck postion?

Answer 15

head tilt 0 to 15 degrees

Question 16

For neutral neck AVIOD

Answer 16

head tipped too far forward
head tilted to one side

Question 17

the head weighs

Answer 17

8-10 pounds

Question 18

for neutral shoulder postion

Answer 18

• weight is even
• in a horizontal line

Question 19

for neutral shoulder postion AVIOD

Answer 19

• shoulders lifted
• shoulders hunched
• sitting with weight on one hip

Question 20

neutral back position

Answer 20

• lean forward slightly
• 0 to 20 degrees

Question 21

neutral back position AVIOD

Answer 21

over flexion of the spine

Question 22

neutral arm postion

Answer 22

• upper arms hand parallel to long axis of body
• elbows at waste level

Question 23

neutral arm postion AVIOD

Answer 23

• greater than 20 degrees of abduction
• eblows held above waist

Question 24

neutral forearm position

Answer 24

• parallel to the floor
• raised or lowered

Question 25

neutral forearm position AVOID

Answer 25

angle between forarm and upper arm of less than 60 degrees

Question 26

you want your wrist postion to be

Answer 26

neutral

Question 27

postioning

Answer 27

put the patient in a postion that allows both to be comfortable

Question 28

if you are right handed what is the clock position should you sit at?

Answer 28

8 to 12

Question 29

if you are left handed what is the clock position should you sit at?

Answer 29

12-4

Question 30

____________ is the miracle grow for the brain

Answer 30

exercise

Question 31

_________ allow microbreaks to allow repair of microtraumas

Answer 31

periodic stretching

Question 32

what is something we experience in dentistry due to noise

Answer 32

permanent threshold shift

Question 33

loupes

Answer 33

• reduce eye strain
• improve the quality of care
• increase ergo