RG

Recommended height of a lower occlusal rim is:

18 mm

32. Recommended height of an maxillary occlusal rim is:

22 mm

The peripheral borders of maxillary major connectors should be located at least ______ away from gingival margins.

6 mm

The most effective way to achieve the smallest amount of residual monomer in heat cured acrylic is:

8 hours at 160° F.

Which is not a general guideline for placing a rest?

A clasp assembly never has a rest associated with it

Choose the correct definition of Retention

Ability to resist removal of the RPD in an occlusal direction

Models are articulated:

After being indexed and luted

Tissue stops are necessary because they:

Allow for an even thickness of impression material

Denture contouring is the process of:

Anatomically waxing the denture

The mandible and temporal bones are not directly in contact. What separates the mandible from the temporal bone?

Articular disc

The Synovial cavities are located:

As part of the TMJ

The slight side-shift of the mandible in the mandibular fossa is referred to as:

Bennett movement

The palatal strap major connector is most often used for ______ posterior toothborne partial dentures.

Bilateral

The theory of occlusion most used for dentures is:

Bilaterally balanced

Tooth and soft tissue survey lines are represented on the cast in ______.

Black

Mutually protected occlusion has posterior contacts in:

Centric

The rear most, upper most, midmost position of the mandible in the articular fossa is:

Centric relation

The mesiobuccal cusp of the maxillary first molar is in alignment with the mesiobuccal groove of the mandibular first molar in what type of occlusion?

Class I

Distoclusion describes a ___________ occlusion

Class II

The mesiobuccal cusp of the maxillary first molar in alignment with the embrasure of the mandibular second pre molar and first molar is:

Class II

The mesiobuccal cusp of the maxillary first molar in alignment with the embrasure of the mandibular second premolar and first molar is:

Class II

Custom trays can be made with:

Cold cure acrylic

The component on the articulator which reproduces the angle of mandibular movement is the:

Condylar guide assembly

The post palatal seal:

Creates a suction to hold dentures in place

Auto polymerizing, self -curing, and cold cure acrylic all mean the same thing; they:

Cure on a bench or in a pressure pot

Polymerization of the denture means:

Curing the denture base

The bilateral compensating curve in which molars are set is called:

Curve of Wilson

According to (cusp-fossa theory), cusps tips will not wear out because:

Cusp tips do not actually occlude with opposing dentition

A space is created between the maxillary and mandibular teeth when the muscles attached to mandible are relatively relaxed. This space is appropriately referred to as:

Free-way space

An articulator that needs a Pantograph to set it is:

Fully adjustable articulator

The articulator which requires most time to prepare a case and specialized training in its use is the:

Fully adjustable articulator

The tray on a maxillary model should stop at the:

Hamular notch

When dealing with TMJ, which treatment would provide the most diagnostic information to the doctor and still be kind to the patient?

Hard acrylic occlusal appliances

A non-arcon articulator is one which:

Has the condyles on the upper member

The purpose of a centrically balanced occlusal closure is to:

Have contacts made simultaneously and with equal force

One advantage specific to cusp to marginal ridge occlusion is that it:

Helps to maintain stability if a tooth is lost

The two purely vertical movements of the mandible, elevatin and depression, have the same movement in each joint and are also known as:

Hinge movements

The two purely vertical movements of the mandible, elevation and depression, have the same movement in each joint and are also known as:

Hinge movements

Overjet is defined as:

Horizontal overlap

The curve of spee:

Is the anterior-posterior curvature of th e occlusal surfaces of mandibular teeth

A shim or a spacer is necessary because:

It makes an even space from the tissue stops to the inside of the tray.

Bennett movement is described as a:

Lateral side shift of the mandible

Which upper teeth do not touch the template?

Laterals and second molars

The range of movement of the mandible is determined by what factors?

Ligaments and shape of TMJ

Monomer is a:

Liquid for mixing methyl methacrylate/ acrylic

Which of the following teeth have a single opposing tooth?

Mandibular central incisors

The difference between a crown and bridge custom impression tray and a denture tray is the

Materials being used

The shearing cusps are the:

Maxilla buccal and mandible lingual

The lower canine sits behind and to the mesial of the:

Maxillary canine

On the non-functioning side of occlusion in the natural dentition, the:

Maxillary molar lingual cusps will not usually contact the mandibular molar

The position of marginal ridges is important for opposing occlusion and must be even in height. They are located on what part of the tooth?

Mesial and distal of occlusal area

All but two supporting cusp tips are cradled in opposing adjacent marginal ridge areas. The two exceptions are cradled in opposing central fossae. Which of the following pairs are the exceptions?

Mesiolingual cusp of the upper molars and distobuccal cusp of lower molars.

The _______ is where the two centrals line up and is marked by the dentist:

Midline

Which statement best describes the movements in the temporomandibular joint during centric occlusion, protrusion, and retrusion?

Movements occur bilaterally simultaneously and in the same direction

The appliance which is best to relieve hyperactive muscles is called a/an:

Muscle relaxation appliance

The theory of occlusion in which there is anterior guidance is:

Mutually protected

When the canines and anterior teeth cause the posterior teeth to disocclude in eccentric excursions, this is called:

Mutually protected

A simple hinge type articulator is an example of:

Non-adjustable articulator

In ideal centric occlusion, the mesiolingual cusp of the maxillary first molar:

Occludes in the central fossa of the mandibular first molar

In Class I centric occlusion, the cusp tip of the maxillary canine:

Occupies the facial embrasure between the mandibular canine and first premolar

In normal centric occlusion, the cusp tip of the maxillary canine:

Occupies the facial embrasure between the mandibular canine and first premolar.

Which statement is most nearly correct as it relates to mastication of food?

Opposing teeth seldom contact during mastication

Porcelain dentures are a mechanical return in the base by:

Pins in the anterior/ diatoric holes in the posterior

Pumice, Tripoli, and white diamond:

Polish acrylic so that food will not adhere to rough areas

Polymer is a:

Powder for mixing methyl methacrylate

From physiologic rest position, the lower jaw can be projected forward. This movement is known as:

Protrusion

From physiologic rest postion, the lower jaw can be projected forward. This movement is known as:

Protrusion

The handle on a custom impression tray should:

Raise up and clear the lip

The purpose of a custom incisal guide table is to:

Record patient guidance

To prevent dislodging on the denture, frenum areas must be:

Relieved

Choose the correct definition of Removable Partial Denture.

Removable replacement for missing natural teeth, gingival tissue, and supporting bone when one or more natural teeth still remain.

A mandibular custom impression tray should stop at:

Retromolar pad

A mandibular custom tray should stop at:

Retromolar pad

The articulator which has progressive side shift, condylar inclination and permits straight line movements is the:

Semi adjustable articulator

An articulator that has straight but adjustable condylar eminentia is a:

Semi-adjustable articulator

Which is not a Lingual Plate Design?

Split horseshoe

______ is the commercial name for a prefabricated hinge and lock system that can be substituted for clasps in an RPD framework.

Swing-lock

In a Class I occlusion, where does the buccal cusp of the mandibular first molar occlude?

The central fossa of the maxillary first molar

In Class I centric occlusion, the maxillary anterior teeth occlude with:

The facio-incisal edge of mandibular anterior teeth

The "forces of mastication" means:

The forces of chewing

Failure to set posterior teeth over the lower ridge will result in:

The lower denture tipping

The lower second bicuspid fits between:

The maxillary 1st and 2nd.

The mandibular second premolar contacts:

The maxillary first and second premolars

A stock impression tray is not as accurate as the custom impression tray because:

The uneven thickness of the impression material can distort as it sets.

A boley gauge measures:

Thickness of crowns

Hamular notches and retromolar pads on upper and lower models are:

Tissue landmarks for ending trays, baseplates, and dentures.

Trial packing is done at least 3 times:

To ensure the acrylic is condensed

In a class I occlusion a tooth has contact with two teeth in the opposing arch. Here are two exceptions to this statement and they are:

Upper 3rd molars and lower centrals

In a Class I occlusion a tooth has contact with two teeth in the opposing arch. There are two exceptions to this statement and they are:

Upper third molars and lower centrals

Which is not a position of tilt? [anterior, posterior, left lateral, or vertical]

Vertical

Which is not part of a surveyor? [horizontal base, vertical base, upright column, or spindle with tool holder]

Vertical base

Overbite is known as:

Vertical overlap

The maxillary secured premolars are set in a:

Vertical position and the buccal and lingual cusps touch the occlusal plane

In a physiologic rest position:

Vertical space between the maxillary and mandibular teeth when the muscles of mastication are relaxed.

Which is not part of the criteria for choice among the common denture base and artificial tooth combination? [Esthetic values, presence of soft tissue undercuts, the amount of space present between the crest of the residual ridge and the supposing arch is a very important factor, or width of the edentulous span]

Width of the edentulous span

The unit of undercut measurement is:

hundredths of an inch