Total polycount:

Vertices: 18325

Faces: 17857 (Tris: 36602)

No non-manifold faces

Segmentation: 

skull + upper teeth (2 seperate materials)

jaws + lower teeth (2 seperate materials)  *jaws aren't rigged

4k Textures:

Base color, height, metallic, roughness, normal

*Note: UVs are automatically generated and therefore don't quite live up to handmade industry standard - but they work just fine, as displayed in render pictures. No visible seems, no ugly stretchings. 

Formats:

obj., fbx, .blend

Blender file includes lighting/render setup shown in pictures.

*note: not tested in other programs apart from blender