6 study and diagnostic cast

Question 1

A negative likeness of the surface of an object

Answer 1

Impression for tray selection

Question 2

The resultant of the negatuve likeness of the surface of an object

Answer 2

Study cast

Question 3

Made with the use of rim lock trays and irreversible hydrocolloids, such as alginate

Answer 3

Impresison for tray selection

Question 4

Limiting structures are marked with?

Answer 4

Lead pencil

Question 5

What to do with the stock tray fabricaton

Answer 5

Follow the marked borders of the study cast to cut and recontour the stock tray

Borders of the trays should be smoothened with sand paper to avoid soft tissue lacerations and trauma to the patient

Question 6

What is the resultant cast of preliminary impression?

Answer 6

Diagnostic cast

Question 7

Positive registration of the edentulous mouth

Alow for an evaluation of anatomy in the absence of the patient

Answer 7

Diagnostic cast

Question 8

An individualized impression tray made from a cast removed from a preliminary impression

Answer 8

Individual tray “custom tray”

Question 9

Must extend as far as possible without interfering in the health or function of the tissues

Answer 9

Denture base outline

Question 10

Second internal outline which is drawon on the cast

• it is about 1mm short of the denture outline, following its contour and extension

Answer 10

Tray outline

Question 11

Area where tissue stops are placed

Answer 11

First premolar area and first molar area on the opposite

Question 12

Purpose: provide adequate space in the tray for the final impression material

Answer 12

Wax spacer

Question 13

Purpose: for the individual trauy to provide adequate support for the final impression

Answer 13

Mark of palatal apron

Question 14

Purpose: to avoid breakage of case or the tray

Answer 14

Block undercuts with melted pink wax

Question 15

In mixing the acrylic, the resin material is rolled like a sausage and flattened between 2 lubricated glass slab.

Answer 15

Lower individual tray

Question 16

In mixing the acrylic, the mixed resin is rolled like a ball, flattened between 2 glass slabs, and manipulated in the same manner as the lower tray

Answer 16

Upper individual tray

Question 17

Two most important factors in making satisfactoy impressions

Answer 17

Properly formed and accurately fitting impression trays

Proper positioning of the tray within the mouth

Question 18

A neative likeness or copy in reverse of the surface of an object

Answer 18

Impression

Question 19

A negative registration of the entire denture bearing area, and stabilizing border seal areas present in the edentulous mouth

Answer 19

Complete denture impression

Question 20

First impression for the purpose of study cast

Answer 20

Impression for tray selection

Question 21

Is an impression made for the purpose of diagnosis or for the construction of tray

Answer 21

Preliminary impression

Question 22

Any substance or combination of substances used for making an imperssion or negative registration

Answer 22

Impression material

Question 23

Surgical removal or trimming of the alveolar process

Answer 23

Alveolectomy

Question 24

Surgical recontouring of the alveolar process

Answer 24

Alveoplasty

Question 25

Surgical procedure to restove alveolar ridge height by lowering muscles attaching to the buccal ,labial and lingual aspects of the jaws

Answer 25

Vestibuloplasty

Question 26

Objective of impression taking

Answer 26

Preservation of alveolar bone Retention Esthetics Support Stability

Question 27

It is the resistance of denture to removal in a direction opposite to that of its insertion

Answer 27

Retention

Question 28

Resists the adhesiveness of foods, force of gravity and the forces associated with the opening of the jaws

Answer 28

Retention

Question 29

The ability of the denture to withstand horizontal force

Answer 29

Stability

Question 30

Is the resistance to vertical force of mastication and t occlusal or other forces applied in the direction towards the basal seat

Answer 30

Support

Question 31

Supporting structures Primary stress bearing areas

Answer 31

Areas of edentulous ridge that are at right angles to occlusal forces and usually do not resorb easily

Question 32

Supporting structures: Secondary stress bearing areas

Answer 32

Areas of edentulous ridge tat are a right angle or parallel to occlusal force

Question 33

One of the prime factors in CD

Answer 33

Esthetics

Question 34

What are the limiting structures of the maxila

Answer 34

Labial vestibule Buccal vestibule Vibrating line

Question 35

What are the primary stress bearing areas of the maxilla

Answer 35

Hard palate Maxillary tuberosity

Question 36

What are the secondary stress bearing areas in maxillary

Answer 36

Residual ridge

Question 37

Why does the residual alveolar ridge considered as secondary stress bearing areas

Answer 37

Because it resorbs at a faster rate

Question 38

Main muscle of the labial vestibule in which forms the outer surface of the labial vestibule

Answer 38

Orbicularis oris

Question 39

Extends from the buccal frenuum to the hamular notch Bounded laterally by the cheeks and medially by the residual alveolar ridge

Answer 39

Buccal vestibule

Question 40

An imaginary line drawn accross the palate that marks the beginning of motion in the soft palate when an individual says “ah”

Answer 40

Vibrating line

Question 41

It is the posterior convexity of the maxillary body

Answer 41

Maxillary tuberosity

Question 42

Relief areas of the maxilla

Answer 42

Incisive papilla Medial palatine raphe Fovea palatinae

Question 43

Location of the landmark gives an indication as to the amount of resorption has taken place

Answer 43

Incisive papilla

Question 44

Limiting structures of the mandible

Answer 44

Labial vestibule Buccal vestibule Lingual frenum Alveolingual sulcus Retromolar pad Pterygomandibular raphe

Question 45

Anterior region of the lingual flange is caled

Answer 45

Sub-lingual crescent area

Question 46

Supporting structes of the mandible

Answer 46

Buccal shelf area Residual alveolar ridge

Question 47

Relief areas of mandible

Answer 47

Mental foramen Genial tubercle Mylohyoid rige Mandibular tori