About Nellmar Laboratory Nellmar Laboratory was founded by Sara Kazan in 2000 after having developed her talents for 20 years as a dental technician. Sara's goal for the company is to remain focused on quality and customer service. She and her staff are committed to working closely with dentists and patients to achieve functional and superior, aesthetically pleasing restorations. We are located at 3100 W. Liberty Street in Ann Arbor, Michigan, south of beautiful downtown Ann Arbor. If you'd like further information about our laboratory and products, you may phone 734-994-0634; you may also email us.