Show He Took the Ouch Out of the Dentists Dentist's Office This Is Dr Leroy L. L Co Co- Columbia Columbia Columbia lumbia university professor of den den- dentistry dentistry discoverer of the new teeth de dc- desensitizer which makes the dentists dentist's J t C. f 1 rL 11 d M V kf J a drill a painless Instrument The sub substance stance which It was said will vill revo revo- revolutionize revolutionize the practice of dentistry was discovered after 20 O years ears of re re- research research re- re research search by Doctor Hartman lIe He re re- refused refused re- re refused fused to profit on the discovery er and offered the formula to all dentists |