Edge Dental : At Edge Dental in Houston, you will find a committed and highly-qualified team, dedicated to creating and restoring beautiful, healthy smiles. Justin Lai, DDS, provides quality general and cosmetic dentistry services to Houston area patients. Edge Dental is a modern high-tech office equipped with laser dentistry opportunities to save patients both time and money. Laser work is less invasive than surgeries and brings minimal discomfort to dental solutions.