Pre-Prosthodontic Records and Impressions

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What is the consequence of using warm water when measuring it for an alginate impression?

It will shorten the gelation time (correct)

It will lengthen the gelation time

It will make the mix more fluid

It will not affect the gelation time

What muscle influences the distobuccal corner of the lower denture?

Buccinator muscle (correct)

Masseter muscle

Pterygomandibular raphe

Mylohyoid muscle

Which direction do the buccinator fibers run in the buccal shelf area?

Diagonally

Vertically in anteroposterior direction

Horizontally and in the anteroposterior direction (correct)

Horizontally in the mediolateral direction

What is indicated by orange-red discoloration of the saliva and orangish staining of the dentures?

Patient is taking INH + rifampin for several months as treatment for non-drug resistant tuberculosis Signup and view all the answers

What happens if the denturist does not notice the temperature of the water while measuring it for an alginate impression?

It will shorten the gelation time Signup and view all the answers

What could be the result of not adapting the alginate impression material closely to the tissues?

It will result in a gap Signup and view all the answers

What is the significance of not recording the retromolar pads during impression making?

It has no effect on the final denture. Signup and view all the answers

What is the indication of a border molded custom impression tray lifting when the patient opens the mouth?

Overextension at the lingual borders. Signup and view all the answers

What is the correct amount of water to be used when mixing 100gms of dental stone powder?

28-30ml Signup and view all the answers

What determines the initial set of gypsum products?

Loss of gloss; 20-30 minutes. Signup and view all the answers

What is a suitable accelerator and retarder respectively for gypsum products?

Ethyl alcohol and oleic acid. Signup and view all the answers

What is the subjective criterion for final set time of gypsum products?

No further indentation. Signup and view all the answers

What is the primary function of the hamular notch in denture construction?

It serves as a landmark for determining the posterior border of the maxillary denture Signup and view all the answers

Which of the following is NOT a primary stress-bearing area of the lower denture?

The maxillary tuberosity Signup and view all the answers

Angular chelitis, wrinkles around the modiolus, and less visible vermillion border of the lower lip are indicative of:

Reduced vertical dimension due to possible wearing of denture teeth Signup and view all the answers

What is a possible cause of perleche or angular cheilitis?

Riboflavin deficiency Signup and view all the answers

What is the primary purpose of a panoramic radiograph in an edentulous patient?

To locate the mandibular canal and mental foramina Signup and view all the answers

What is the mean denture bearing area of the maxilla?

22.96 cm² Signup and view all the answers

What is the most common cause of hyperplastic tissue in the anterior part of the maxillary residual ridge?

Overeruption of the opposing teeth Signup and view all the answers

What is the significance of the retromolar pad in denture construction?

It provides support for the buccal flange of the denture Signup and view all the answers

Which type of patient is most cooperative for a Denturist?

Indifferent patient Signup and view all the answers

What is a characteristic of addition silicones?

They are available in five viscosities Signup and view all the answers

What is xerostomia also known as?

Dry mouth Signup and view all the answers

What is not a combination of ingredients that is not commonly used in dentistry?

Glycerin and potassium sulfate Signup and view all the answers

What is the primary function of the immunoglobulin present in saliva?

To protect the intraoral mucous membranes Signup and view all the answers

Which medication is most likely to cause xerostomia, altered taste, and photosensitivity to dental lights?

Anti-psychotic medication Signup and view all the answers

What is the classification of Vitamin E in terms of solubility?

Fat-soluble vitamin Signup and view all the answers

What is a characteristic of the labial frenum?

It is a fold of mucous membrane Signup and view all the answers

Where do the ducts of Von Ebner's glands open?

Around the circumvallate papillae on the dorsum of the tongue Signup and view all the answers

What is the characteristic of the mucosa on the hard palate?

Keratinized Signup and view all the answers