diagnost dlt practice

What is the curve of Spee?

The natural curve of the mandible going upwards.

What are the three kinds of dentition people have during their lifetime?

Permanent, primary, mixed.

What kind of dentist would perform a root canal?

Endodontist.

What kind of dentist would perform a gingivectomy?

Periodontist.

How many molars does a set of complete dentures have?

8.

What is another word for a primary tooth?

Deciduous.

How many teeth are in a quadrant?

8.

When setting teeth on a denture with a curve of Spee, which maxillary posterior tooth touches the occlusal plane?

The maxillary first molar.

Which cusp of the maxillary first molar touches the occlusal plane?

Mesiolingual cusp.

Where is the hamular notch?

Immediately distal to the maxillary third molar.

Where is the retro-molar pad?

Distal to the mandibular third molar.

What is a post dam, and what is its purpose?

A seal created to keep the denture suctioned to the patient's palate and prevent food from getting trapped.

Which kind of tooth is not present in the deciduous dentition?

Bicuspids.

What is the typical height of a mandibular occlusal rim?

18mm.

What kind of denture tooth would require mechanical retention?

Porcelain.

Why do dentures need to be relined from time to time?

Because resorption changes the shape and size of the palate and alveolar ridges.

What is the most critical function of occlusal rims?

To establish the vertical dimension.

What is the main advantage of an immediate denture to the patient?

They don't have to be edentulous for long before they get the denture.

What is the main disadvantage to the patient of an immediate denture?

The denture has to be constantly relined due to entropy in the patient's healing process.

When setting teeth on an immediate denture, how many teeth are removed at a time?

One at a time.

Which side of the denture is prepared for relining?

The tissue side, that touches the alveolar ridge.

What is the purpose of die spacer?

They make space for where the cement is going to be.

What is the water powder ratio for die stone?

22ml stone/100g water.

Why must the gasket of the mixing bowl lid be kept clean?

So the machine can suction it properly.

Name one way in which stone can be accelerated.

Rapid spatulation.

Name one way in which the setting time of stone can be retarded (slowed down).

Lemon juice.

Which class of decay would require an inlay restoration?

Class 1 and 2.

What is the difference between an inlay and an onlay?

Inlays are in the grooves of the teeth, onlays cover multiple cusps.

Which tooth is number 14?

Maxilla left first molar.

What does the word trifurcated mean?

3 roots.

Which tooth has three buccal cusps?

Mandibular first molar.

What is the first question I ask you when looking at your posterior waxups?

Can the patient close their mouth?

Name the three parts of a bridge.

Abutment, pontic, saddle area.

Going from the occlusal surface down, what are the three divisions of a posterior crown?

Occlusal 3rd, cervical 3rd, middle 3rd.

How many lobes combine to form the mandibular first molar?

Five.

A space between two teeth, not caused by an extraction, is called a …

Diastema.

Which are the only teeth which touch the exact same surface of the same tooth?

Central incisors.

What is the name of the convex mass of gingiva immediately posterior to the central incisors?

Incisive papilla.

What is the name of the spaces between the teeth?

Embrasure.

What is the name of the little points of gingiva that fit into the spaces between the teeth?

Interdental papilla.

Name the convexity that appears on the gingival third of the lingual surface of an anterior tooth.

Cingulum.