
John Just, BSc
John Just, BSc, is the director of technical services for Laserdenta Inc. and owned his own laboratory for 25 years. He has lectured all over the world, trained members of the Tennyson Study Club and now...See more

John Just, BSc, is the director of technical services for Laserdenta Inc. and owned his own laboratory for 25 years. He has lectured all over the world, trained members of the Tennyson Study Club and now...See more