Definately needs a vet visit, and exrays done on the mouth/teeth. Potential abscess or other dental issues have shifted his teeth the bottom front almost look crisscrossed it's hard to tell if there are 2 bottom front or just one....
the glider community is starting to collect data on specific medical issues, dental is a pretty common issue, especially in gliders 5 yrs and up. Would you be interested in participating in our data collection? This is non judegemental we are just looking for people who have first hand experience, can take pictures throughout the process and answer basic questions about the medical issue. Only people with glider dental issues will be in the dental issue group.