During examination the child presents with micrognathia and open bite. X-ray shows no joint space, the right branch of the lower jaw immediately continues as the temporal bone. Make the diagnosis:

Answer options

1. First and second branchial arch syndrome
2. Chronic right-sided arthritis of the temporomandibular joint
3. Right-sided fibrous ankylosis of the temporomandibular joint
4. Right-sided sclerosing arthrosis of the temporomandibular joint
5. Right-sided bony ankylosis of the temporomandibular joint