Introduction
This gorilla oral cavity model is with 4K maps and rigging. And It's made with Blender and Cycles renderer at real-world scale.
The model consists of 3 objects: Oral cavity, upper teeth, lower teeth.

Polygons
Oral cavity: vertices 7,554; polygons 7,480
Upper teeth: vertices 8,720; polygons 8,688
Lower teeth: vertices 8,016; polygons 7,984
Total: vertices 24,290; polygons 24,152

Formats
There is a Blender project and an OBJ file.

Textures
JU0L521A9_GorillaMouth_OralCavity_BaseColor_1001.png, 4096*4096
JU0L521A9_GorillaMouth_OralCavity_BaseColor_1002.png, 4096*4096
JU0L521A9_GorillaMouth_OralCavity_Normal_1001.png, 4096*4096
JU0L521A9_GorillaMouth_OralCavity_Normal_1002.png, 4096*4096
JU0L521A9_GorillaMouth_OralCavity_SSS_1001.png, 4096*4096
JU0L521A9_GorillaMouth_OralCavity_SSS_1002.png, 4096*4096
JU0L521A9_GorillaMouth_Tooth_D_BaseColor.png, 4096*4096
JU0L521A9_GorillaMouth_Tooth_D_Normal.png, 4096*4096
JU0L521A9_GorillaMouth_Tooth_U_BaseColor.png, 4096*4096
JU0L521A9_GorillaMouth_Tooth_U_Normal.png, 4096*4096

Rigging
A basic rigging is available which controls the mouth to open or close.
The tongue is controlled by FK, and comes with small controllers which can adjust the shape of the tongue in detail.

Features
The model is in meter units at real-world scale.
The model aims at saving your time and improving efficiency, thus you can replace it directly.
The model can be rendered in the current project, without any other adjustment.