Dental Assistant Practice Exam

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What does the term 'Base' refer to in dental materials?

Main or supporting ingredient
Substance that hardens over time
Temporary filling material
Liquid used for mixing

The correct answer is: Main or supporting ingredient

The term 'Base' in the context of dental materials refers to the main or supporting ingredient used in various dental applications. Bases are essential components in creating materials that provide support, insulation, and protection for the tooth structure. This helps in managing sensitivity and ensuring the longevity of restorative procedures. For instance, in the context of dental cements, the base is crucial as it serves as a foundation for other materials that may be layered on top. It typically has a thicker consistency compared to liners and is applied in areas where a stronger material is necessary. This characteristic distinguishes it from other options like a substance that hardens over time or temporary filling material, both of which have different functions within dental procedures. Additionally, although there are liquids used for mixing in dental protocols, they do not constitute a 'base' in the relationship with dental materials.