Clinical Foundations - Midterm Review Flashcards
What handpiece is used for a root canal?
Endodontic Handpiece
This set up is used to operate dental handpieces
Dental Cart
This type of handpiece resembles a sandblaster when in use
Air Abrasion handpiece
This device is often used to remove large amount of fluid and dental debris
high volume suction / evacuator
These skills require onsite supervision by a dentist/RDH who is authorized to provide
Restricted Activity
this equipment provides suctions to all operators
Central Vacuum Compressor
This instrument is used to measure depth of the sulcus of the tooth
probe
It’s goal is to have a healthy mouth for a lifetime
preventive dentistry (one of the functions)
To be able to see upper arch better - what position should patient be in?
subsupine
(supine - is flat)
(upright - seating position)
This type of bur locking system is found on the high speed handpiece
friction grip or fissure
Handpiece with light on end
fiberoptic
this hand piece is used to cut overgrowing tissue
laser handpiece
This feature helps to illuminate the working field on the highspeed handpiece
fiberoptic system
It’s goal is to give you a beautiful smile
esthetic dentistry
Dental chairs are reclined to this position to complete most dental treatments
supine position
“15-45-90” are found on this type of instrument
3-numbered hand cutting instruments
introduced by Dr. Black
Describes the width, the length & the angle
This type of dental handpiece is considered the most versitle
Slow-speed contra angle latch
Screw is the least versatile
This instrument will help retract and protect patient tissue
mouth mirror
This instrument will be used to remove decay manually
hand cutting instrument
Can you describe the 4 functions of dentistry?
Restorative - restore teeth to normal, ideal function
Preventive -
Esthetic
Corrective
Who invented 4 instrument number formula?
Dr. Black
What is the purpose of an accessory instrument?
Accessory instruments are used as additional aid during the procedure
EX. Amalgam carrier - to transfer/pass material
Scissors - cut dental material
Articulating paper holder - t check how patient bites teeth together
Mixing spatula - to mix dental materials
What instruments are commonly found inside a premade exam cassette?
Mouth mirror, explorers, probes, cotton forceps (pliers)
What are the 5 classes/categories according to extent of movement. Which one are you using when exploring teeth?
Class I: Movement of fingers only
Class II: Movement of fingers and wrist
Class III: Movement of fingers, wrist, and elbow
Class IV: Use of the entire arm and shoulder
Class V: Use of the entire upper torso which
causes Musculoskeletal Disorders
CLASS 2 is USED to EXPLORE TEETH
Your patient has a severe allergy to latex and you just used latex gloves. What type of allergic reaction type is most severe & requires use of epi pen?
Type 1 - severe allergic reaction - requires epi pen!
Other types are..
Irritant dermatitis (also from extensive hand hygiene)
Type 4 - allergic reaction
What type of handpiece is used to cut tissue?
Laser handpiece
What is the max speed for a high-speed electric handpiece?
200,000 RPM
What type of handpiece is used to remove shallow decay or stains from the teeth?
air abrasion handpiece
What is the role of the rheostat?
to adjust the speed of a handpiece
During patient treatment; the Static Zone is primary used for..
to place additional equipment/instructions for later
What type of handpieces are you able to use as a dental assistant?
Slow speed handpiece - rubber cup polishing
What type of handpieces need line flushing at the beginning of the day and between patients?
High speed handpiece (tooth polisher / cavitron needs water flushing as it contains water line as well)
Dental handpieces must be lubricated after each use. True or False?
True
What type of handpiece(s) will never be used inside the patient’s mouth. What type is it?
Slow speed straight handpiece and laboratory slow speed handpiece (these types are sed with removable appliances: sport guards, partial dentures, retainers..)
What type of barriers will be used to cover the handpiece motor / coupler?
Plastic tubing type
Troubleshooting for handpiece error:
Handpiece is not making any noise, not spinning
-Check if power on dentist cart is turned ON or press rheostat firmer
Troubleshooting for handpiece error: Water is not coming out of the high speed handpiece
Is the water switch on rheostat towards water? Check if you are using city water (activate air/water syringe for 30 sec) if water flow stops you are on bottle supply. Turn with the opposite way on the dentist cart
Troubleshooting for handpiece error: Dentist unit is hissing at me with lots of air noise
Check to see if all lines are in correct slot, not mixed up and fully seated
Troubleshooting for handpiece error: Slow speed handpiece not spinning
Handpiece may be in neutral mode, rotate fully clockwise to see spin forward
The goal of ergonomics to to help people:
Stay healthy while performing their work more effectively
The ideal working position for a dental assistant is:
A neutral position sitting upright with body weight evenly distrubted
Repetitive motion, over flexion, and overextension of the wrist can significantly increase the risk of:
Cumulative trauma disorders
When the dental chair is in the supine position the patient is:
positioned as if lying down
Which form of delivery provides the dentist with the easiest access to the dental handpieces without twisting his/her body?
Front delivery
The dental assistant’s stool is positioned ____ inches higher than the operator to allow the dental assistant to have better visibility.
4-6 inches
The patient is positioned in the dental chair so that the head is lower than the knees. This position is called;
Subsupine
The patient is positioned in the dental chair so that the patient’s chin is above their knees. This position is called:
Suprasupine
When dismissing a patient, the chair is moved to what position?
Upright position
The slow speed handpiece comes equipped with a fiber optic cable - true or false?
False
The Assistina is a manual lubrication device - true of false?
False
Handpieces should be lubricated weekly. True of False?
False - after each use
A dental handpiece is identified as a ____ instrument that ____ be sterilized before reuse.
Critical; must
The low-speed handpiece operates from ____ rotations per minute. (RPM)
10,000 to 30,000 RPM
The ____ handpiece can operate both forward and backward and can be used with a variety of attachments.
Slow speed
The ____ handpiece operates from air pressure and reaches speeds up to 450,000 rpm
High speed
The high-speed handpiece uses ____ burs.
Friction-grip
The ultrasonic handpiece is used for:
Scaling
Which handpiece uses mechanical radiant energy of water and sound vibrations to create a pulsating effect on a tooth surface to remove calculus and stains?
Ultrasonic
Dr. Black’s instrument formula is applied to:
All hand cutting instruments with cutting edges
The exam kit is utilized for:
All basic dental procedures
How many cotton forceps are in the SAIT basic exam kit?
2
Dental hand instruments are often used for what procedures?
Restorative procedures
Double-ended instruments have ______ and have two working ends.
Two shanks
The function of a mouth mirror is to aid with..
Retraction and tissue protection & Indirect vision
What are the three specific parts of an instrument?
Handle, shank, working end
The ____ refers to the part of the instrument that attaches the working end to the handle
Shank
Which instrument is used to measure the sulcus, or pocket depth, or the periodontium of each teeth?
Periodontal probe
