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Memotain: A CAD/CAM nickel-titanium lingual retainer
Neal D Kravitz1, Dan Grauer2, Pascal Schumacher3
1Private practice, South Riding, Va.
Summary
Multi-stranded lingual retainers frequently fail. Memotain, a new nickel-titanium wire, offers a precise, durable alternative with potential for active tooth movement.
Area of Science:
- Orthodontics and Dental Materials Science
Background:
- Multi-stranded stainless steel lingual retainers have high failure rates (up to 50% for maxillary, 20% for mandibular) due to bond failure or wire breakage.
- Traditional retainers can also present challenges with fit and interferences.
Observation:
- Memotain is a novel CAD/CAM fabricated lingual retainer wire.
- It is constructed from custom-cut nickel-titanium alloy.
Findings:
- Memotain presents potential advantages over traditional multi-stranded wires.
- These include enhanced precision fit, reduced interferences, and superior corrosion resistance.
- It also offers the possibility of controlled minor tooth movement, functioning as an active retainer.
Implications:
- Memotain may offer a more reliable and versatile solution for long-term orthodontic retention.
- Its properties could lead to improved patient outcomes and reduced retreatment rates.
- Further clinical studies are warranted to validate these perceived benefits.
