A condition where parts of the musculoskeletal system - muscles, tendons, nerves - are injured over time
What is Musculoskeletal Disorder (MSD)
100
Upper arch is angled backward past the vertical plane and patient's head is in the chin-up position
What is patient head tilt for Maxillary Arch
100
The recommended method for holding a periodontal instrument (facilitates precise control)
What is the modified pen grasp
100
Variations of an intraoral and extraoral finger rest used to gain access to root surfaces within periodontal pockets
What is an Advanced Fulcrum
100
Texturing that increases the static friction between the fingers and handle, resulting in reduced pinch force
What is a knurling pattern
200
Confined working space/Equipment limitation
Positioning challenges
Repetitive movements
Tight grips
Excessive use of small muscles
Fixed working positions (static postures)
What is risk factors for Musculoskeletal Stress/Disorders in dental professionals
200
Position of the overhead dental unit light ranges from being directly over the oral cavity to a position over the patient's neck
What is light position for the Maxillary Arch
200
A rod-shaped length of metal located between the handle and the working-end of a dental instrument
What is the shank
200
Stabilization of the clinician's dominant hand by placing the pad of the ring finger on a tooth near the tooth being instrumented
What is an Intraoral Fulcrum
200
A shank that is bent in two planes (front-to-back & side-to-side), to facilitate instrumentation of posterior teeth
What is a Complex Shank
300
A painful disorder of the fingers, hand, and/or wrist due to the compression of the brachial nerve plexus and vessels between the neck and shoulder
What is Thoracic Outlet Syndrome
300
Head tilt of 0 to 20 degrees
What is Neutral Neck Position
300
Stabilizes and supports the hand for control and strength
What is the Ring Finger (Finger Rest/Fulcrum)
300
The ideal positioning of the wrist while performing work activities and is associated with decreased risk of musculoskeletal injury
What is a Neutral Wrist Position
300
An instrument shank that will not withstand the pressure needed to remove heavy calculus deposits but works well to remove small and medium-size calculus deposits
What is a Flexible Shank
400
A painful disorder of the wrist and hand caused by compression of the median nerve within the carpal tunnel of the wrist
What is Carpal Tunnel Sundrome (CTS)
400
Magnification through surgical telescopes
What are magnification loupes
400
A condition that features joints that easily move beyond the normal range expected for a particular joint
What is Joint Hypermobility
400
The use of the mirror surface to reflect light onto a tooth surface in a dark area of the mouth
What is Indirect Illumination
400
The clinician's ability to feel vibrations transmitted from the instrument working-end with his/her fingers as they rest on the shank and handle
What is Tactile Sensitivity
500
A painful disorder of the wrist and hand caused by compression of the median nerve between the two heads of the pronator teres muscle
What is Pronator Syndrome
500
In relation to clock positioning: Posterior aspects facing TOWARD the clinician (both right/left handed times)
What is 9:00 for the right-handed clinician and 3:00 for the left-handed clinician
500
Loose fitting across the palm and wrist areas of the hand
What is Correct Glove Fit
500
Using the technique of Transillumination helps in the detect of this
What are caries
500
The soft epithelial tissue that forms the base of a gingival sulcus or periodontal pocket