Treehouse Pediatric Dentistry Share: Dental Treehouse Pediatric Dentistry Visit Website 10520 S 204th St. Suite 104 Gretna, NE 68028 (402) 403-6007 Facebook About About Pediatric Dentistry; I am Gretna's first board-certified pediatric dentist! My team and I specialize in providing comprehensive care to infants, children, teens, and those with special needs.