“…Previous studies have found that socioeconomic status, dental factors, dental service attendance, selfperceived oral health and psychological factors may affect people's OHRQOL. [13][14][15][16][17][18][19] In addition, several studies amongst patients with OFP seeking dental treatment showed that OHRQOL varied with diagnostic subgroups, pain characteristics and psychological factors. [20][21][22][23] Nevertheless, patients who seek treatment may not fully represent all those living in the community.…”