module 3
DESCRIPTION
TRANSCRIPT
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PowerPoint® Presentation for Chairside Dental Assisting with
Labs
Module:
Chairside Assisting: The Dental Office and Instrument Exchange
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Module:Chairside Assisting: The Dental Office and Instrument Exchange
Chairside Assisting: The Dental Office and Instrument
Exchange
Part A: The Dental Office
Part B: Instrument Exchange
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Module:Chairside Assisting: The Dental Office and Instrument Exchange
Learning Objectives
1. Define the Key Terms.
2. Explain basic concepts of chairside dental assisting.
3. Demonstrate the necessary steps to prepare for patient treatment.
4. Demonstrate seating and dismissing a patient.
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Module:Chairside Assisting: The Dental Office and Instrument Exchange
Learning Objectives
5. Demonstrate proper dental instrument transfer.
6. Demonstrate ergonomics of the operator and dental assistant at chairside.
7. Demonstrate the use of equipment used for treatment in the oral cavity.
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Key Terms
• Activity zones• Air compressor• Air-water syringe• Amalgamator• Central vacuum
system• Classification of
motion• Curing light• Pen grasp
• Delivery system • Dental unit• Day angles• Ergonomics• Four-handed dentistry• Fulcrum• Handpieces• High volume
evacuator (HVE)• Intraoral camera• Laboratory
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Key Terms
• Lumbar • Mobile carts• Modified pen grasp• Operating light• Palm grasp• Palm-thumb grasp• Patient record• Pen grasp• Reception room• Reverse-palm grasp
• Rheostat• Saliva ejector• Six-handed dentistry• Sterilizing area• Subsupine position• Treatment rooms• Triturates• Ultrasonic scaler• Water reservoir
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Part A: The Dental Office
• Extraoral x-ray room
• Dentist’s private office
• Staff lounge
• Patient education room
• Reception room
• Business desk
• Treatment rooms (operatories)
• Sterilization area
• Lab
• Darkroom
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The Dental Operatory
• Dental chair• Operator stool• Assistant stool• Overhead light• Dental tray with
handpieces• Air-water syringe,
HVE, saliva ejectors• Rheostat
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The Dental Assistant Stool
• Assistant 4-8" higher than dentist
• Feet on foot ring• Thighs parallel with
floor• Extended arm
– Back rest– Abdominal support
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Activity Zones
Operating zone
Assisting zone
Static zone
Transfer zone
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Right-Handed Operator Positions
Operating zone
Assisting zone
Static zone
Transfer zone
7 to 12 o’clock
2 to 4 o’clock
12 to 2 o’clock
4 to 7 o’clock
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Left-Handed Operator Positions
Operating zone 12 to 5 o’clock
Assisting zone 8 to 10 o’clock
Static zone 10 to 12 o’clock
Transfer zone 5 to 8 o’clock
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Office Routines
• Daily
– Open office
– Close office
• Weekly or monthly
– X-ray processor
– Ultrasonic solutions
– Sterilizer solutions
– Vacuum traps
– Plaster traps
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Patient Treatment
• Prepare operatory– Patient’s record– Radiographs– Lab work– Proper
instrument set-up
• Greet and seat patient– Communication
skills
• Review medical and dental history
• Patient napkin, safety glasses
• Wash hands
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Patient Position – Mandibular Arch
• Patient in supine position
• Light directed downward for mandibular illumination
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Patient Position – Maxillary Arch
• Patient in supine position
• Light directed upward for maxillary illumination
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Operator Position
Feet flat on floor and thighs parallel
to floor
Patient at operator’selbowBack supported
Elbows close to bodyOperator/patient
distance 14–18"
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Assistant Position
4–6" higher than operator
Thighs parallel
to floorFeet on foot rest
Close to patient Back straight
Within arm’s reachof instruments
Extended armas abdominal or
back support
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Dismissing Your Patient
• Ensure patient’s face is clean• Light out of patient’s path• Remove patient napkin, glasses• Wash hands• Postoperative instructions• Patient’s records with treatment
documented• Escort patient to reception area
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Special Patients
• Children
• Seniors
• Pregnant
• Hearing impaired
• Site impaired
• Wheelchair users
• Non-English speaking
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Part B: Instrument Exchange
One-handed instrument transfer
Transfer zone
Under patient’s chin
Anticipate dentist’s needs
Pass & receive in smooth motion
Finger, wrist, elbow movement
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Instrument Exchange
• Right-handed dentist
– Pass instruments with left hand
– HVE in right hand
• Left-handed dentist
– Pass instruments with right hand
– HVE in left hand
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Instrument Grasps
• Pen grasp
• Modified pen
grasp
• Palm grasp
• Palm-thumb grasp
• Reverse
palm-thumb
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Operating Field
Maxillary right quadrant• Assistant ensures
– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in
L hand
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Operating Field
Maxillary left quadrant • Assistant ensures
– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in
L hand
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Operating Field
Mandibular right quadrant
• Assistant ensures– Operator’s vision– Remove fluids– Retract tongue– HVE in R hand– A/W syringe in
L hand
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Operating Field
Mandibular left quadrant
• Assistant ensures– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in
L hand
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Oral Evacuation
HVE placement
• Reverse palm-thumb grasp
• Modified pen grasp
Saliva ejector
• Under rubber dam
• Coronal polish procedure
• Fluoride treatment
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Assessment Questions
• Describe the height of the assistant’s chair.
It should be 4–6" higher than the dentist’s chair
• Where is the instrument transfer zone?
Under the patient’s chin• How is the High Volume Evacuator held?
With a modified pen grasp or a reverse palm-thumb grasp
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Summary of Module
• Key Terms
• The dental office
• Instrument exchange