This study aims to clarify the technique of occlusal stabilizing splint adjustment then to assess the overall clinical outcomes and patient satisfaction.

It is reasonable to highlight the occlusal stabilizing splint adjustment protocol as it is important to achieve TMDs' sign and symptom relief. Therefore, the objective of this study is to explain in detail how to adjust the occlusal stabilizing splint properly, as we found few studies that clarify the exact adjustment protocol.

Inclusion Criteria:

• Pain in the orofacial region (either arthrogenous and/or myogenous) in the last 3 months, who never underwent any type of treatment for TMD's.
• Patients with TMJ internal derangement.
• Age ≥16 years.

Exclusion Criteria:

• Edentulous patients.
• Patients with any systemic disease that could cause joint and/or muscle changes.
• Patients who undergo drug treatment for the condition.
• Current pregnancy or breastfeeding.