Predictive Value of Fissured Tongue in Functional Dyspepsia Combined with Depression

Figure 1

Fissured tongue classification: Type 0, no groove; Type I, single small groove, less than half the length of the surface of the tongue, with no forks or short forks; Type II, single, thicker, deeper groove, longer than half the length of the surface of the tongue, with or without forks; and Type III, two or more grooves, deep and shallow, with irregular arrangement.