AI	artificial intelligence
CCD	charge-coupled device
CT	computed tomography
ECM	extracellular matrix
GMM	Gaussian mixture model
HA	hyaluronic acid
HE	hematoxylin and eosin
MT	Masson’s trichrome
PCA	principal component analysis
SAM	senescence-accelerated mice
SVD	singular-value decomposition
TMD	tissue mineral density
TMJ	temporomandibular joint
UMAP	uniform manifold approximation and projection