It was shown that there was a 20-60 degree forward
or sideward flexion of the trunk. This can be
attributed to the unfavorable work positioning, unsuitable
designing of the work station, inadequate
ability of the dentists to use dental mirrors for indirect
vision, unfavorable arrangement of the dental
instruments,as well as lack of ergonomic working
styles by the dentists.Use of magnifying devices
and a 12-25 cm distance as well as 15-45 degree
angle of vision for the dentist is highly recommended.
In addition, use of rests for the chest area