Silensor-sl

Silensor-sl is a specialized appliance designed for use during sleep in the context of orthodontics that can help protect teeth from damage that might occur due to grinding or clenching during sleep. It can also help maintain the alignment of the teeth and prevent any unwanted movement that could potentially occur from parafunctional habits during sleep.

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Restoration Details

Indications

1. Primary snoring

2. Mild to moderate obstructive sleep apnea (OSA)

3. Patients who cannot tolerate CPAP therapy

4. Patients with retruded mandible or narrow upper airway

5. Patients seeking a non‑surgical treatment for snoring and sleep‑disordered breathing

Material Composition

Silensor‑SL is 100% metal‑free, made from medical‑grade thermoplastic resins:

1. Upper & Lower Splints (custom‑molded)

Erkoloc‑Pro (3.0 mm) – dual‑layer soft‑hard resin (most common, comfortable)

2. Connectors (S‑shaped links)

Flexible medical‑grade resin (5 sizes, replaceable)

Preparation Tips

1. Perform a full clinical and radiographic examination to rule out contraindications

2. Take accurate upper and lower dental impressions for custom fabrication

3. Record the proper centric relation and desired mandibular advancement (usually 50–70% of protrusive movement)

4. Measure and document vertical dimension to avoid excessive bite opening

5. Verify patient’s oral hygiene, periodontal condition, and tooth stability

6. Inform the patient about insertion, adaptation, care, and follow-up schedule

Strength Characteristics (MPa)

Erkoloc‑Pro (dual‑layer soft‑hard, 3.0 mm)

1. PETG (hard layer): 53 MPa tensile, 69 MPa flexural

2. TPU (soft layer):

3. Tensile strength: 5.5 MPa

4. E‑modulus: 26.9 MPa

5.  Elongation at break: 590%

S‑shaped connectors (flexible resin)

1. Tensile strength: ~5–7 MPa

2. Elongation at break: ~400–600%