This study was conducted to create three-dimensional (3D) models of the lower jaw using computed tomography (CT) images of New Zealand rabbits and to reveal whether there are differences between genders. 12 New Zealand rabbits (6 female, 6 male) were used in the study. Computed tomography (CT) images of the animals were taken, and a three-dimensional model of the mandible was obtained from the two-dimensional images using the MIMICS 20.1 program. Length measurements were performed on the resulting 3D model. When the values measured in male and female rabbits were compared, it was determined that the length between the molars (B) was longer in females, and the corona length of the lower jaw teeth (I) was longer in males and was statistically significant (p