FourHanded Dentistry is like ballet. It's beautiful to watch when executed well. Notice how having a skilled assistant makes it possible for the team to minimize movements and maintain correct posture.

OvertheHead delivery (OTH) maximizes function within your natural Range of Motion through a consolidation of both instruments and supplies. It provides left/right convertibility and easily accommodates both 2 and 4–handed dentistry.

Of the four recognized methods of delivery (Rear, Side, OverthePatient, OvertheHead) only OTH combines the principles of ergonomic positioning, increased procedural efficiency and maximized patient comfort.

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OverTheHead Dental Delivery

Benefits
Smaller sized rooms that are substantially less expensive to equip
Comprehensive supply consolidation
Space available for specialty equipment via mobile carts
Handpieces are at your fingertips from the 12 o’clock position
Assistant is free to circulate
Great for dentistry from the 7 o’clock to 12 o’clock positions
Doctor and dental assistant range of motion is less than 90°
Fast and easy to disinfect
Patients are not threatened by the sight of handpieces

Drawbacks
Handpieces at doctor’s nondominant hand. To minimize any twisting movement, a righthanded doctor will grab a utility with the left hand and then move it to the right hand during a procedure. It’s not difficult, but it’s worth being aware of as you plan your clinical workflow.



At Design Ergonomics (https://www.desergo.com), we help dentists create the most efficient, productive, and beautiful practices to meet their unique goals. Our design approach, developed over 25 years of working exclusively for the dental industry, has a proven track record for highflow, highefficiency success.

Our sister company, Ergonomic Products (https://www.ergonomicproducts.com), designs and manufactures the most productive dental delivery systems on Earth, as well as the dental lights, inwall cabinets, dental patient chairs, and sterilization centers to support their systems of enhanced dental delivery. Their dental delivery workstation has been an essential part of the performance revolution that has made much of the dental office workflow improvements at Design Ergonomics possible.