May 2021 GD

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

Which type of gypsum is also referred to as beta-hemihydrate?

Which type of gypsum is also referred to as high-strength stone or improved stone?

A cast is a replica used to plan treatment and to observe treatment progress. It is more accurate than a study model, which is a replica on which a restoration or appliance is fabricated.

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

In the primary dentition, approximately how many years after eruption is root formation completed?

Which type of gypsum is also referred to as alpha-hemihydrate?

What is the correct water to powder ratio when mixing dental plaster?

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?

In the permanent dentition, approximately how many years after eruption is root formation completed? A

What is the mechanism of action of chlorhexidine?

The optimum water fluoridation is:

Which of the following most commonly used antiseptics have the greatest residual antimicrobial activity?

The use of the rubber dam is best indicated for:

Anaphylaxis is managed through:

The ………is the component that is responsible for connecting the major connector with the rest and clamp assembly.

A 45- year- old woman has a sore tongue. She has red atrophic areas on the dorsum and lateral border of the tongue with demarcated white borders. She says that the appearance has been inconsistent over time. What is the single most likely diagnosis?

Which of the following impression materials has the highest tear strength?

The distance between the major connector on a maxillary removable partial denture framework and the gingival margins should be at least …

An 18- year- old woman has a failed single cantilever resin-bonded bridge (RBB) replacing her upper right lateral incisor. What is the single most likely reason for the failure of her bridge?

A dentist replaces an amalgam on tooth #5 and notices a small pulpal exposure. The dentist elects to perform a direct pulp cap procedure. Which of the following best predicts the success of the procedure?

When compared with the bisecting-angle technique, the advantages of the paralleling technique in endodontic radiology include all of the following except one. Which one is the exception?

A 7-year-old patient presents with a quadrant of teeth showing the abnormal formation of both enamel and dentin. All of his other teeth appear clinically normal. Radiographically, the affected teeth can be described as “ghost teeth.” The patient has:

Marginal gingival recession that doesn’t extend to the mucogingival junction is considered what class according to Miller’s classification?

A 28- year- old man attends with continuous aching pain from his upper left first permanent molar (UL6). It occurs spontaneously, disturbs sleep, and is partly relieved by paracetamol. Chewing or biting does not exacerbate the symptoms. The heavily restored UL6 was hyperresponsive to the cold pulp test All other special investigations were normal. Which is the single most likely diagnosis?

Which of the following is the true reduction direction to correct TMJ dislocation?

A 12-year-old patient presents with premature loss of primary teeth. On radiographic examination, a sharply marginated Radiolucency is seen in the area of tooth loss. A biopsy specimen shows a round cell infiltrate with numerous eosinophils. Which of the following diagnoses is suggested?

Which type of clasp is generally used on a tooth-supported removable denture?

Which of the following statements regarding caries risk assessment is correct?

A 15-year-old patient has a numb lower lip and pain in her right posterior mandible. A radiograph shows uniform thickening of the periodontal membrane space of tooth #30. The tooth shows abnormally increased mobility. Which one of the following diagnoses should be seriously considered?

Which of the following instruments is used in shaping the gingival floor for an amalgam restoration?

All of the following statements are true except:……

Inadequate rest-seat preparation for a removable partial prosthesis can cause …..