Assessment of anterior positioning splint in conjunction with lateral pterygoid BTX injection to treat TMJ disc displacement with reduction - a preliminary report
Taema Maram, Nabi Nouran Abdel, Ibrahim Samira, Kamal Heba Ahmed, Emara Aala’a,
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( Taema Maram ) - Cairo University Faculty of Dentistry Department of Prosthodontics
( Nabi Nouran Abdel ) - Cairo University Faculty of Dentistry Department of Prosthodontics
( Ibrahim Samira ) - Cairo University Faculty of Dentistry Department of Prosthodontics
( Kamal Heba Ahmed ) - Cairo University Faculty of Medicine Department of Diagnostic and Interventional Radiology
( Emara Aala’a ) - Cairo University Faculty of Dentistry Department of Oral and Maxillofacial Surgery
Abstract
Objective: Treatment of temporomandibular disc displacement with reduction is controversial. This study assesses the use of an anterior positioning splint with botulinum toxin in the lateral pterygoid muscle (BTX) for such cases.
Methods: Twelve joints were included; groups I and II received BTX injection while group II also received an anterior positioning splint. Pain scores and clicking status were recorded at regular intervals then a postoperative MRI was done after 4 months.
Results: Clinical improvement was noted in both groups. Mean pain scores dropped significantly and clicks in the twelve joints disappeared in 83% of group I and 33% of group II. MRIs showed significant disc position improvement with the higher mean change (1.33 ± 0.76) in group I. Group I showed better improvement of discal position and only one joint regained a click. Patients of group II reported discomfort from the splint which may have caused psychological distress and so worst pain scores.
Conclusions: Group I showed slightly better results but the cost of BTX injections and the complications of the splint should be kept in mind and the decision of treatment selection made according to each condition.
키워드
TMJ; BTX; Disc displacement with reduction; Anterior positioning splint; Lateral pterygoid muscle
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