ergonomics and dental chair

2.  DETAL CHAIR HISTORY AND ITS PARTS
 OPERATOR AND PATIENT POSITION IN
DENTAL CHAIR
 ERGONOMICS

4. • World’s first simplest dental chair!

5. • Around1790, the world’s1st
adjustabledental chair was
invented.
• It featured an adjustable headrest
andanattached armextension for
convenientaccesstodental
equipments.

6. • In the early 1800’s
came the firstfully
recliningdentalchair.
• Itwasthefirstpump-
stylechair that raised
andloweredthe
patient.

7. • In 1867, a British
dentist constructed a
chair thatcould not
only raisethe patient
upto3feetandallow
the patientto fully
recline,but was also
capable of tiltingside
to side.

8. •Morrison’s dental
chair – 1880’s.
•Dental chair in the
1880’s.

9. • Australian
royal
flying
doctors’
dental
chair.

10. • Dental
chair in
nuclear
bunker.

11. • Dental chair
in
Philippines.