Cosmetic and Family Dentistry - World Class Smiles!! When you visit our Yucaipa, CA dental office, your smile is our top priority. Doctor Steven Markham and his entire team are dedicated to providing you with the personalized, gentle care that you deserve. Part of our commitment to serving our patients includes providing information that helps them to make more informed decisions about their oral health needs. This website is a resource we hope you’ll find both useful and interesting. Contact Us Today or Request An Appointment!