When Was The First Fully-Reclining Dental Chair Introduced?
When Was The First Fully Reclining Dental Chair Introduced? Dental treatment long ago, especially before the 17th century, would have been embarrassing to modern eyes. Because there were no mature dental chairs at that time, patients sometimes needed to put their heads between the dentist’s legs. Dentists need to maintain such an awkward posture for a long time. This situation …