Module 3

Copyright © 2006 Thomson Delmar Learning. ALL RIGHTS RESERVED. 1

PowerPoint® Presentation for Chairside Dental Assisting with

Labs

Module:

Chairside Assisting: The Dental Office and Instrument Exchange


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



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.



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.


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


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


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


The Dental Operatory

• Dental chair• Operator stool• Assistant stool• Overhead light• Dental tray with

handpieces• Air-water syringe,

HVE, saliva ejectors• Rheostat


The Dental Assistant Stool

• Assistant 4-8" higher than dentist

• Feet on foot ring• Thighs parallel with

floor• Extended arm

– Back rest– Abdominal support


Activity Zones

Operating zone

Assisting zone

Static zone

Transfer zone


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


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


Office Routines

• Daily

– Open office

– Close office

• Weekly or monthly

– X-ray processor

– Ultrasonic solutions

– Sterilizer solutions

– Vacuum traps

– Plaster traps


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


Patient Position – Mandibular Arch

• Patient in supine position

• Light directed downward for mandibular illumination


Patient Position – Maxillary Arch

• Patient in supine position

• Light directed upward for maxillary illumination


Operator Position

Feet flat on floor and thighs parallel

to floor

Patient at operator’selbowBack supported

Elbows close to bodyOperator/patient

distance 14–18"


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


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


Special Patients

• Children

• Seniors

• Pregnant

• Hearing impaired

• Site impaired

• Wheelchair users

• Non-English speaking


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


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


Instrument Grasps

• Pen grasp

• Modified pen

grasp

• Palm grasp

• Palm-thumb grasp

• Reverse

palm-thumb


Operating Field

Maxillary right quadrant• Assistant ensures

– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in

L hand


Operating Field

Maxillary left quadrant • Assistant ensures

– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in

L hand


Operating Field

Mandibular right quadrant

• Assistant ensures– Operator’s vision– Remove fluids– Retract tongue– HVE in R hand– A/W syringe in

L hand


Operating Field

Mandibular left quadrant

• Assistant ensures– Operator’s vision– Remove fluids– Retract cheek– HVE in R hand– A/W syringe in

L hand


Oral Evacuation

HVE placement

• Reverse palm-thumb grasp

• Modified pen grasp

Saliva ejector

• Under rubber dam

• Coronal polish procedure

• Fluoride treatment


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


Summary of Module

• Key Terms

• The dental office

• Instrument exchange

Module 3

Documents

Transcript of Module 3