1. Based on type of tissue causing Ankylosis:
2. Based on the Side Involved :
- Unilateral Ankylosis
- Bilateral Ankylosis
3. Based on Severity of Ankylosis:
4. Based on Etiology of Trismus:
- Pseudo Ankylosis
- True Ankylosis
– Lateral Oblique View of Mandible:
Ankylotic mass can seen in the Anteroposterior direction.
2. Lateral Cephalogram:
3. CT Scan:
Helpful as it gives an accurate picture of proximity of ankylotic mass to important structure,that cannot be seen in a radiograph.
- Decreased ramus height on the affected site.
- Lack of joint space.
- Normal joint space obliteration by bone/fibrous growth.
- Elongation of coronoid process.
- Deep antigonial notch.
- Textbook of Oral & Maxillofacial Surgery, Chitra Chakravarthy (2nd Edition).
- Europe PMC