Border Molding and Final Impressions

Question 1

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

Answer 1

Complete denture impression

Question 2

A ______ is an impression made for the purpose of diagnosis or for the construction of a tray

Answer 2

Preliminary impression

Question 3

____ tray have various sizes and materials

Answer 3

Stock trays

Question 4

_____ trays are fabricated on patient’s cast

Answer 4

Custom

Question 5

If vestibules are smooth, the borders should be ______

Answer 5

smooth

Question 6

If vestibules are uniform, the borders should be ______

Answer 6

uniform

Question 7

In a ______ impression, an attempt is made to exert as little pressure as possible during impression procedures; the objective is to capture tissues in their most undisturbed and undisplaced form

Answer 7

Minimal pressure impression

Question 8

The rationale behind a ____ impression is if tissues are recorded in an undisturbed state using an accurate, free-flowing impression material, retention and stability of the dentures would be increased

Answer 8

Minimal pressure impression

Question 9

What type of impression material should be used for a minimal pressure impression?

Answer 9

Low viscosity, high flow

Question 10

In a _____ impression, the impression is made with the soft tissue under a significant load; the impression material is a more viscous material

Answer 10

Functional pressure impression

Question 11

In a ____ impression, the tray is seated and the patient closes mouth with force while the material sets

Answer 11

Functional pressure impression

Question 12

Rationale for a _____ impression is that the denture-base tissue contact during function would be more intimate if tissue is recorded under compression

Answer 12

Functional pressure impression

Question 13

In a ____ impression, more pressure is placed on certain areas and less placed on other areas based upon the dentist’s decision using the knowledge of anatomy and physiology

Answer 13

Selective pressure impression

Question 14

Wax spacer relief, drilling vent holes in tray, and grinding the tray for relief space are ways we ______ areas of pressure and non-pressure in the impression

Answer 14

select

Question 15

We use a ____ because borders can be modified to control the movable soft tissues around and avoid distortion; space can be provided inside the tray so that shape of the tissues supporting the denture may be recorded with minimal or selective displacement in the primary support area

Answer 15

Custom tray

Question 16

For the ____ impressions, Mucosa should be healthy, impression material should be of low viscosity, use minimum pressure to seat tray, and seat and hold impression to set

Answer 16

Secondary impression

Question 17

_____ is used to define denture border in length, width, shape, and contour; when complete should resemble anticipated denture border

Answer 17

Border molding

Question 18

In order to capture _______ on border molding, patient moves jaw side to side

Answer 18

Max posterior

Question 19

In order to capture _______ on border molding, elevate cheek, lightly massage outward, down, and posteriorly

Answer 19

Buccal frenum

Question 20

In order to capture _______ on border molding, elevate lip outward, massage down

Answer 20

Labial vestibule

Question 21

In order to capture _______ on border molding, elevate lip, seat tray, lightly massage lip straight down- not side to side

Answer 21

Labial frenum

Question 22

In order to capture _______ on border molding, have patient pinch nostrils, blow slightly through the nose then swallow

Answer 22

Posterior palatal border

Question 23

How much space should there be in between the custom tray and the depth of the vestibule?

Answer 23

2mm

Question 24

In order to capture _______ on border molding, gently wet upper lip with tip of tongue to get length and place tip of tongue under lip side to side to get width

Answer 24

Lingual frenum

Question 25

In order to capture _______ on border molding, patient swallows or protrudes tongue but not past lips

Answer 25

Alveololingual sulcus

Question 26

In order to capture _______ on border molding, patient swallows forcefully 2-3 times so that the floor of the mouth moves; tongue touches buccal vestibules and thumb by handle

Answer 26

Mylohyoid region

Question 27

In order to capture _______ on border molding, patient stretches wide open and closes against manual pressure

Answer 27

Distal border and masseteric notch