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A 10 yr mixed dog was presented for teeth cleaning.
| Image 1. Second Molar |
His second molar.
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| Image 2. Normal? |
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.
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| Image 3. Extraction Radiograph |
Wound up extracting second molar and applying Consil to the extraction site.
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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
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