**1. Regular Cleaning:** After each dive, rinse your mouthpiece thoroughly with clean water to remove any salt, sand, or other debris. You can use a mild"
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### Early Days (1940s-1950s):
With a plethora of different mouthpiece designs and materials on the market, it can be overwhelming to choose the right one for your needs. Here are some key factors to consider when making your selection:
**4. ** **Rebreather Mouthpieces:** Rebreather mouthpieces are specifically designed for use with rebreathers, a type of scuba diving equipment that recycles exhaled air. These mouthpieces often feature a larger bite block and a more complex design to accommodate the unique breathing pattern and gas delivery system associated with rebreathers.
* **The Birth of the Mouthpiece:** The first scuba mouthpieces were simple, unassuming tubes with no real bite block. They were uncomfortable to use, prone to leaking, and often caused significant jaw fatigue.
**The Bite Block:** This is the part that goes in your mouth, the point of contact between diver and equipment. It's typically made of high-quality silicone or rubber, chosen for its durability, flexibility, and comfort. The bite block is designed to be ergonomically shaped, allowing for a natural bite position that distributes pressure evenly and minimizes fatigue. It also incorporates a small lip or ridge, known as the **lip seal**, which helps create a tight seal around the diver's lips, preventing air from leaking out.