Table 1 Analytic patent database categories and queries

Dental Implant

Dental implant and IPC code A61C (Dentistry; Apparatus or Methods for oral or dental hygiene)

(dental^* ADJ implant^*) AND IPC = ((A61C^*));

Fixture

Dental implant fixture and IPC code A61C

(dental^* ADJ implant^*) AND (fixture^* OR fixture^* OR fix^* OR screw^*) AND IPC = (A61C^*);

Abuitment

Dental implant abutment (connecting element) and IPC code A61C

(dental^* ADJ implant^*) AND (abutment^* OR connect^* OR connector^*) AND IPC = (A61C^*);

Artificial Teeth

Dental implant artificial teeth and IPC code A61C

(dental^* ADJ implant^*) AND ((artificial^* ADJ (tooth^* or teeth^*)) or (cap^*)) AND IPC = (A61C^*);