What dental material is notable for its protective properties but can also lead to pulp irritation?

Study for the CDCA North East Regional Board (NERB) Exam. Prepare with flashcards and multiple choice questions, complete with hints and explanations. Get ready for your test!

Zinc phosphate cement is notable for its protective properties due to its strength and ability to provide a good seal. It is often used as a cementation material for crowns and bridges, offering resistance to moisture and thermal changes while effectively bonding various restorations. However, one of the significant downsides is that it can lead to pulp irritation. This occurs particularly when it comes in direct contact with the pulp tissue or is improperly mixed, resulting in a highly acidic environment which can irritate the dental pulp.

The material's acidity is responsible for causing inflammation or sensitivity when the pulp is exposed without adequate buffering. Given its use in restorative dentistry, it's crucial for dental professionals to be aware of the balance between its protective qualities and the potential for pulp irritation during its application.

Other materials listed do have protective or therapeutic properties but do not possess the same combination of notable strength with accompanying pulp irritation risk as zinc phosphate cement does.

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