Dental Hygienist - Houston, TX. Copperfield Crossing Dental. 15620 FM 529 Rd. Houston, TX 77095. Hours. Monday-Thursday: 7-5. Friday: 8-2. Established practice with long-term patients and staff members. We s pecializing in family and cosmetic dentistry, with a strong hygiene program. We offer a team environment with supportive doctors. Our office is best described as sweet, kind, and goal focused. One hour appointments. Hygiene bonus incentive. F...