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SeaCURE 5 Rebreather Moldable Mouthpiece

The SeaCure X-Type Moldable Mouthpiece is a unique, moldable device designed to fit your mouth, teeth, and jaw configuration precisely to provide maximum retention and control of your regulator. SeaCure was created by an orthodontist, to fit your mouth, teeth and gums perfectly. SeaCure offers custom comfort and eliminates the jaw fatigue sometimes experienced with conventional mouthpieces. It is the only moldable and re-moldable mouthpiece offset for both the upper and lower jaw positions.

The X-Type SeaCure offers an X shaped profile design. This key innovation significantly reduces bulk, virtually eliminates gagging and improves molding by earlier engagement of the teeth during closure. The X-Type also includes an improved one piece molding and sealing attachment. The attachment is used in the molding process and then to keep debris out of the regulator. It now provides a bite limiter which eliminates the possibility of over closure during the heat molding process - (over closure reduces air flow during diving).

The SeaCure Benefit

The SeaCure mouthpiece, being moldable, can actually enter the mouth all the way to the rear of the jaw employing all of the diver's teeth. The result is that the large rear teeth and tremendous mechanical advantage of the back of the jaw can now be employed to retain the mouthpiece/regulator unit during diving, greatly reducing the required muscle effort. In addition, because SeaCure has to fit only one mouth, it can be constructed with a more rigid material allowing transfer of the regulator/hose load to the rear of the jaw and greatly reducing gum abrasion.

The significant reduction in muscle effort required to retain the mouthpiece/regulator unit while diving has been confirmed with electromyographic tests. Test data demonstrates a reduction of muscle effort in the range of 33% to 59%, depending upon the individual diver.

SeaCure #5 (1 & 7/16 x 13/16") fits Poseidon second stage regulators (including the Dive Rite Jetstream).
The Poseidon rebreather mouthpiece opening of their DSV appears to be identical to the Poseidon regulator line and therefore we would expect it to take a SeaCure size #5. However, SeaCure recommends a size #4 for the Poseidon rebreathers, because they have reports of size #5 leaking on the Poseidon DSV. In our in house tests, we found that the SeaCure size #4 was too tight a fit to be mounted on the Poseidon DSV without use of considerable force. SeaCure informs us that users are warming the #4 before fitting to ease mounting, but instead we suggest mounting a size #5 with a little bit of Aquaseal.


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