preferred_name: First tooth space boundary &#x7C; {Tooth} &#x7C; Dental
preferred_name_lc: first tooth space boundary &#x7c; {tooth} &#x7c; dental
label: First tooth space boundary &#x7C; {Tooth} &#x7C; Dental
label_lc: first tooth space boundary &#x7c; {tooth} &#x7c; dental