what is the function of the rat diastema??

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The function of the rat diastema is to provide space for the large incisor teeth. The diastema is a gap between the front incisors and the molars in the rat's mouth. This gap allows the rat to close its mouth completely while the incisor teeth are still aligned in front, which is important for efficient biting and gnawing. The incisors grow continuously throughout the rat's life, and the diastema provides enough space for them to grow without interfering with the molar teeth or blocking the rat's ability to close its mouth properly.