MSE - Maxillary Skeletal Expander
NOTE: If this is your first MSE appliance with our laboratory, the lab will include and bill accordingly for the MSE Type-2 Starter Kit with your completed appliance. For re-orders, the lab will include and bill accordingly for the MSE Type-2 Refill Kit. See the related products below.
This product is a custom lab appliance. Please choose the "Send us a Case" option on the product page or top menu bar.
Developed by Dr. Won Moon, the MSE is a version of the Microimplant Assisted Rapid Palatal Expander (MARPE) and was introduced to the market in 2010. The MSE is capable of producing dramatic maxillary skeletal expansion. The expansion screws are available in 8mm, 10mm and 12mm stainless steel. The MSE uses 4 titanium alloy TADs for fixation to the palate and a wrench for activation. It attaches to 2 molar bands via 4 legs for stabilization.
- TAD sizes are 1.8mm x 11mm and 1.8mm x 13mm
- Appliance comes with 11mm TADs unless 13mm are specifically requested
- Note: the TADs contain 12% nickel
Great Lakes needs physical models or intraoral scans sent to our lab. No X-rays (CBCT) are needed.
|Material Type||Stainless Steel|
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Great Lakes also supports DDX, Medit, and Planmeca. If you need assistance, please contact us.
- Accurate impressions with any type of impression material are acceptable
- Impressions must adequately reflect all relevant anatomy
- Impression material must not be separating from the impression tray
- Consider pouring your models right away if your impressions are moisture, temperature, or time sensitive
- Impressions sensitive to moisture content should be wrapped in a damp paper towel and placed in a sealed plastic bag if models are not poured immediately
- Only metal impression trays and those with VPS impression material will be returned
- The nature of impression materials currently on the market may contribute to common model problems encountered in the laboratory. Have you encountered porosity (bubbles, voids) or poor surface quality? Plaster or stone mixes are water based and they interact with impression surfaces in a water-like manner. Liquids placed on solid surfaces will be either attracted to, or repelled from that surface in varying degrees. Please be aware when selecting impression material if it is hydrophilic or hydrophobic.
Hydrophilic: is attracted to, or can be wetted by water.
Hydrophobic: is when liquid is repelled or fails to bond with liquids.
Vinyl poly siloxane (VPS) options can be hydrophilic or hydrophobic. Alginate is hydrophilic.
- There are advantages and disadvantages to these impression options but there are products on the market to help reduce the disadvantages. Surfactants and debubblizer sprays can be used to lower surface tension between surfaces making the impression material more hydrophilic and assure a better impression result.
- Great Lakes carries ACU-flow™ a VPS impression material which is hydrophilic and requires NO surfactant spray for surface tension reduction, eliminating bubble formation. Surfactants must be used properly and excess surfactant should not be allowed to pool in the cusp tips. This can cause loose, sandy-like cusp tips. Excess surfactant needs to be blown out leaving a wet look only before pouring.
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- Plaster or stone models are acceptable. Generally, the durability of stone is preferred.
- Models should be reasonably trimmed, yet sufficiently thick for strength considerations.
- No horseshoe-shaped models; Models should have a base of at least 7mm in the thinnest area.
- Bases will be added as necessary (for an additional fee) to models without bases or those lacking adequate base thickness or strength.
- Please indicate if your model must be duplicated as work models may get damaged during the appliance fabrication process.
- Please package bite registrations carefully.
- Bite records must not be left between models for shipment to the lab.
- Dedicated packaging should be considered for brittle materials such as Delar wax.
- Please identify the nature and the intent of each bite record, if more than one is being supplied.
- Please consider mounting the maxillary model, before sending it to the lab, for those cases requiring mounting. Sending items such as facebows, bite forks, and mounting jigs through the mail often results in unreliable mountings.
We use the following articulators and their accessories in our laboratory:
- SAM® 1, SAM® 2, SAM® 3
- Whip Mix
- Stratos 200