model (3) Defects (3) Histology (3) Example (3) Defects (3) Histology (3) tissue (2) time (2) effect (2) Time (2) Rats (2) Healing (2) Collagen (2) Bone (2) administration (1) biology (1) titanium (1) skin (1) research (1) region (1) regeneration (1) methodology (1) material (1) lead (1) animal (1) infiltration (1) analysis (1) amphibian (1) filtration (1) dose (1)