Case Study (endo-perio)

A 10 yr mixed dog was presented for teeth cleaning.

Image 1. Second Molar
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His second molar.
Image 2. Normal?
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Visually the tooth appeared normal.
Radiographic lucency appears to be a periapical granuloma which comes from an infected root canal extending beyond the periodontal ligament.

Image 3. Extraction Radiograph
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Wound up extracting second molar and applying Consil to the extraction site.

There are many types of endo and perio lesions diagnosed with the help of radiographs--it is more than an academic concern because endo lesions usually respond better than perio if root canal therapy is performed.
Types of lesions:

1-pure perio
2-pure endo
3-endo-perio--where endodontic disease caused periodontal disease (this case)
4-perio-endo--where the periodontal disease either enters the pulp through lateral canals, or through extension from the CEJ down to the apex
5-concomitant disease-both endo and perio are present but not due to cause and effect.

Refer to associated Dentistry Board discussion

Table of Contents
Dental Encyclopedia
Jan Bellows, DVM, AVDC, ABVP

Also, check out
The Smile Book III
A text on Canine Periodontal Disease Diagnosis and Therapy
1. Introduction
2. Dental Anatomy
3. Endodontics
4. Orthodontics
5. Periodontics
6. Crown Preparation
7. Feline Dentistry
8. Dental Pediatrics
9. Exotic Dentistry
10. Jaw Fractures
11. Radiology
12. Instruments
13. Materials
14. Equipment
15. Professional Teeth Cleaning
16. Developmental Abnormalities
17. Oral Surgery
18. The Dental Chart
19. Dental Terminology
20. Case Study (endo-perio)
21. Case Study (Avulsed tooth)
22. Case Study (Fractured Premolar)
23. Case Study (Interesting Kitty Case)
24. Case Study (Reason to Radiograph)
25. Case Study (Crown reduction)
26. Case Study (Ouch)
27. Case Study (Cystic Mass)
28. Case Study (Oral Nasal Fistula)
29. Case Study (TM Ankylosis)


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Jan Bellows, DVM
All Pets Dental Clinic
17100 Royal Palm Blvd.
Weston, FL 33326
(954) 349-5800