preferred_name: Number of impressions &#x7C; Dentition &#x7C; Dental
preferred_name_lc: number of impressions &#x7c; dentition &#x7c; dental
label: Number of impressions &#x7C; Dentition &#x7C; Dental
label_lc: number of impressions &#x7c; dentition &#x7c; dental