[header] How to treat dental problems in gerbils [title] Look at your gerbil's teeth. [step] Gerbils' teeth continue to grow throughout their lives. To keep their teeth from growing too long, gerbils need to gnaw or chew on something. 
If your gerbil doesn't have much to chew or gnaw on, or is old and cannot chew very well, his teeth will begin to overgrow. [substeps] Sometimes, your gerbil may have broken or missing teeth.