May 2021 RD

In the so-called “zones of activity” in four-handed dentistry, the instrument transfer zone for a left-handed dentist is between?

The proximal box walls in a class II amalgam tooth preparation should be:

When doing veneer tooth preparations, one must consider the thickness of the enamel on the labial surface of the tooth being prepared. Approximately how thick is the enamel on the labial incisal third?

Complete remineralization of the enamel occurs after:

Which of the five PKT instruments has curved and tapered points that are used for positioning the functional and non-functional cusps of an FPD?

The material of choice to be used in internal bleaching

Most common fracture occurring in amalgam restoration is?

The Enamel etching step should be?

What is the most commonly used coupling agent in dental composite?

The Etch which is used for composite restoration is?

Pt came next day after you did composite for him, you did liner with caoh and base and then compsite, both the restoration and too are intact but the pt feels severe pain and very tender to biting and percussion What is the cause :

Bacteria of root caries?

A patient reported in the dental clinic with generalized intrinsic staining. Which material would you use to treat this case?

Oblique ridge on maxillary molars is formed by the union of?

The finish line of the tooth preparation for all-metal crown should accommodate at least how much thickness of metal at the margin?

In the so-called “zones of activity” in four-handed dentistry, the operator’s zone for a left-handed dentist is between?

In the so-called “zones of activity” in four-handed dentistry, the static zone for a right-handed dentist is between?

The amount of axial reduction on the occlusal two-thirds of a tooth for an all-metal crown is:

Acquired salivary pellicle refers to the acellular organic material that forms on the surface of the teeth. It houses lots of bacteria, and is therefore the principal etiology of caries and periodontal diseases.

When doing veneer tooth preparations, one must consider the thickness of the enamel on the labial surface of the tooth being prepared. Approximately how thick is the enamel on the labial gingival third?

Which of the five PKT instruments has curved and tapered points that are used for eliminating voids on the occlusal surface of an FPD?

A tooth with a 15-degree inclination can be used as an abutment. However, it must be prepared according to an imaginary path of insertion that will best accommodate all the abutments and be as close as possible to the vertical axis of the tooth.

When doing veneer tooth preparations, one must consider the thickness of the enamel on the labial surface of the tooth being prepared. Approximately how thick is the enamel on the labial middle third?

What is the most effective method to prevent composite material from sticking to dental instruments during a procedure?