Table 1.

Analytic patent database categories and queries

Category	Keywords	Query
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*);

Search Periods (Year): 2000 ~ 2020

Search date: March. 2. 2021