1. Dentistry in Practice: IMAGE LIBRARY Heidi Lobprise, DVM, DAVDC

2. 2 Likely stage 2 periodontal disease: Before dental cleaning

3. 3 Likely stage 2 periodontal disease (same dog as in previous photo): After dental cleaning

4. 4 Likely stage 2–3 periodontal disease: Before dental cleaning

5. 5 Likely stage 2–3 periodontal disease (same dog as in previous photo): After dental cleaning

6. 6 Likely stage 2–3 periodontal disease: Before dental cleaning

7. 7 Likely stage 2–3 periodontal disease (same dog as in previous photo): After dental cleaning

8. 8 Broken incisor with exposure of pulp canal (arrow)

9. 9 X-ray image of incisors in a dog: Periodontal disease has caused significant bone loss (arrows).

10. 10 This puppy’s lower jaw is too short in relation to the upper jaw. The upper and lower canines will hit against each other when the mouth is closed (arrows). This is called a “malocclusion.”

11. 11 Fractured (broken) canine tooth with pulp canal exposure

12. 12 Likely stage 3 periodontal disease and a fractured (broken) premolar (arrow): Before treatment

13. 13 Likely stage 3 periodontal disease (same dog as in previous photo): After dental cleaning and extraction of the broken tooth

14. 14 Likely stage 2-3 periodontal disease: Before cleaning

15. 15 Likely stage 2-3 periodontal disease (same dog as in previous photo): After cleaning

16. 16 This dog appears to have stage 2 periodontal disease, but…

17. 17 …it goes much deeper than that. This x-ray (same dog as in previous photo) shows hidden periodontal disease: An area of bone loss between the third and fourth premolars (arrow).

18. 18 This x-ray (same dog as in previous photos) shows a periodontal probe in the deep pocket between the affected teeth.

19. 19 Left upper canine in a dog: Other than having some damaged gum tissue, this tooth looks relatively healthy, but…

20. 20 ….this x-ray of the same tooth shows that most of the root (arrows) has been destroyed or resorbed. This tooth should be extracted.