Dental students in Costa Rica design metal saliva ejector to reduce waste
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Dental students in Costa Rica design metal saliva ejector to reduce waste

I feel the urge to use the phrase “going green” to describe what a few dental students have accomplished, but since we’re talking about teeth and oral hygiene, I’ll resist the urge. Let’s just say this group of dental students has engineered a solution to the wastefulness of one-time use plastic saliva ejectors that most…

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