Violation
A 52 year old patient presents with restricted or limited mouth opening. The patient has loss of attached gingiva and multiple areas of gingival recession and tight skin. A panoramic radiograph shows diffuse widening of the periodontal ligament. What is the most likely diagnosis?
Progressive systemic sclerosis
Hyperparathyroidism.
Cicatricial pemphigoid.
Erythema multiforme.
Advanced adult periodontitis.