This Kennewick dentist has worked for years to heal smiles in Guatemala. His effort is paying off

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The Tri-City Herald and Northwest Public Radio/Television spent a week in Guatemala with Kennewick dentist Bart Roach as he led a volunteer dental clinic. The Tri-City Herald and Northwest Public Radio/Television spent a week in Guatemala with Kennewick dentist Bart Roach as he led a volunteer dental clinic.