Dental Materials Board Review - Round 1

Front

What is the most economical and long-lasting restorative material mentioned?

Back

Dental amalgam

Answer explanation

Dental amalgam is considered the most economical and long-lasting restorative material due to its durability, cost-effectiveness, and ability to withstand significant chewing forces, making it a preferred choice for many dental restorations.

Front

What is the significance of esthetic materials in dental implants?

Back

They vary in material, longevity, and cost.

Answer explanation

Esthetic materials in dental implants are significant because they come in various types, affecting their longevity and cost. This diversity allows for tailored solutions based on patient needs and preferences.

Front

What is the goal of rubber-cup polishing?

Back

To remove extrinsic tooth stains

Answer explanation

The goal of rubber-cup polishing is to remove extrinsic tooth stains, which are surface stains caused by food, drinks, and other factors. This process helps restore the natural appearance of teeth.

Front

What is the standard of care in polishing?

Back

Selective polishing

Answer explanation

Selective polishing is the standard of care as it minimizes enamel loss and preserves tooth structure, focusing on areas that require polishing rather than polishing all surfaces indiscriminately.

Front

What is used to polish dental amalgam?

Back

Pumice and tin oxide

Answer explanation

Pumice and tin oxide are commonly used to polish dental amalgam due to their effective abrasive properties, providing a smooth finish. Other options like aluminum oxide and diamond abrasives are less suitable for this specific application.

Front

What is a precaution when polishing gold restorations?

Back

Use of power scalers

Answer explanation

Using power scalers can damage gold restorations due to their high speed and force. It's important to avoid this method to maintain the integrity of the restoration.

Front

What type of stain can be removed by power/hand instrumentation?

Back

Extrinsic/exogenous stain

Answer explanation

Extrinsic/exogenous stains are surface stains caused by external factors, such as food or tobacco, and can be effectively removed using power or hand instrumentation. Intrinsic stains, on the other hand, are internal and cannot be removed this way.

Front

What is considered the standard of care in selective polishing?

Back

Tin oxide

Answer explanation

Tin oxide is considered the standard of care in selective polishing due to its effective polishing properties and minimal abrasiveness, making it suitable for dental applications.

Front

What is the most abrasive material mentioned for polishing?

Back

Pumice

Answer explanation

Pumice is the most abrasive material listed for polishing due to its rough texture, making it effective for smoothing surfaces. Other options like glycine and tin oxide are less abrasive compared to pumice.

Front

What is the main characteristic of alginate as an impression material?

Back

Irreversible hydrocolloid

Answer explanation

Alginate is classified as an irreversible hydrocolloid because it cannot return to its original state once set. This characteristic makes it suitable for dental impressions, as it captures fine details effectively.