Patient Portal - Sugar Land Texas | Imperial Dental Center. Patient Portal - Sugar Land Texas | Imperial Dental Center. 918. page-template,page-template-full_width,page-template-full_width-php,page,page-id-918,qode-quick-links-1.0,ajax_fade,page_not_loaded,,qode_grid_1300,footer_responsive_adv,qode-child-theme-ver-1..0,qode-theme-ver-11.0,qode ....