Trans Dental Monitoring Solution

Petar IvazIsabella TabaBahman SotoodianMohammadali Khorasani

Motivation

• 15% of the population avoid dental care• Two categories of patients

• Too much anesthetic• Too little anesthetic

• Anesthetic can wear off during operation• Pain causes uncontrollable movement• Customer loss• Controlled levels of toxic chemicals

System Overview

High Level System Design

Material Costs

Programmable Zener 50

Box 40

Variable Resistors 30

Ammeter 20

Power Supply 10

PCB 5

Batter Holder 5

Other 30

Total 190

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Bahman’s Business Case

• Unique product, no competition• 100% profit due to high demand (does not

include labour)– $380 Initial Pricing– Providing comfort for patients– Saving dentist’s time

• The Idea can be patented– Unique function

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Teamwork

• Arguments arose, multiple times• Broke off into two groups initially• Testing was done together

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Timeline

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What We Learned

• Time Management• Not all components are created equal• Teamwork• Set meeting time half hour earlier• Troubleshooting and Testing

Trans Dental Technologies

What We Learned

• Time Management• Not all components are created equal• Teamwork• Set meeting time half hour earlier• Troubleshooting and Testing

Trans Dental Technologies

Future

• Use digital controls and interface• Add lock feature• Safer Controls• Sexier Packaging• User controlled pulse frequency• Produce clamp

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Information Sources• Dr.Kevin Aminzadeh, Dentist• Dr. Ash M. Parameswaran, Professor of the School of

Engineering Science, SFU• Dr. Parveen N.S. Bawa, Professor of the School of Kinesiology,

SFU• Analog Circuit Design, Sergio Franco• Virtanen A. Electrical Stimulation of Pulp Nerves-Comparison of

Monopolar and Bipolar Electrode Coupling. 1985. Elsevier.• Pepper M and Smith D. An electric tooth pulp vitality tester.

1981. Medical & Biological

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Questions?