Dentures

What are 7 areas you should relieve?

Thin knife edges

flabby tissues

mental foramen

incisive papilla

Tori's

exostosis

palatal suture

List the 5 ideal features of a preliminary impression tray as presented in your laboratory instructions

Rigid

easy to modify

compatible with impression material

smooth

can be sterilized or disposable

The _________________ ________________ _____________ is used to mimic capers line

fox occlusal plane

relief area of the mandible is the?

premylohyoid eminence

labiodent sounds

v and f

Silabent sounds

s and z

affects the anterior maxilla

Kelly's syndrome

Horizontal overlap in the posterior denture teeth should be for our set up?

1.5-2 mm

What does the rim style handle help with?

adds sufficient strength to the tray

Please list any 4 of the 6 properties that complete denture custom trays must have

Rigid

easy to modify

stable

extended properly to cover basal seat

appropriate for the impression technique

relieved short 2-3 mm of vestibular extension

From Dr. S lecture on posterior denture tooth selection, what are the different cusp angles used (**no and in answer)

33,10,-22,0

When determining clinically if the height of the mandibular occlusal plane of your mandibular record base with wax rim is correct with what four anatomic landmarks should you use accordingto your text? / Name the 4 landmarks that determine the occluso-gingival position A.K.A. theplane of occlusion for the mandible. (**lower case)

resting tongue

modiolus

1/2-2/3 height of RMP

resting lower lip

What are the 3 heat-activated polymerization techniques presented in Dr. D's lecture?

Compression molding

Pressure injection

Microwave polymerization

list the basic funciton of complete dentures

esthetics

phonetics

mastication

List the 3 reasons having an adequate land area on your master cast is needed

Strengthen the periphery of the master cast

maintain the thickness and contour of the border-molded peripheries of the master impression

define the flanges of the completed prosthesis

The ____________ the arch discrepancies the less the cusp angle of the denture teeth would be

More

An edentulous stock tray should be selected that is ____ mm larger than the outside surface of the residual ridge.

4-5

Name the 3 advantages of using irreversible hydrocolloid impression material (alginate) for

making preliminary impressions listed in your laboratory instructions.

Low cost

hydrophilic

can modify setting time and viscosity

Name the two disadvantages of irreversible hydrocolloid listed in your lab instructions

Lack of surface detail

poor dimensional stability

Alginate powder is made more "dustless" due to the addition of _________ to the powder formulation

Glycerine

Properties of alginate/technique issues that make alginate stick to the teeth include 3 things from your Phoenix Text

Impressions taken after polishing the alginate may stick so polish after impression

dry teeth

repeated impression

In a clinic case from your lab instructions, the span from the most superior aspect of the maxillary labial flange to the incisal edge of your wax rim should measure ______

22 mm

Your lab manual recommends a height of ________ mm for a clinical case of a mandibular record rim measured from the most inferior aspect of the labial flange

18 mm

From Dr. S lecture on denture occlusion, he gave you 3 denture occlusal schemes that are balanced. Please list the names of these 3 balanced denture occlusal schemes

Anatomic

lingualized

non anatomic set in balance

rom Dr. S lecture on posterior denture tooth selection, the length of the measurement from the mesial of the mandibular first premolar to the distal of the second molar is the

y-value

From the video, the labial surface of your maxillary wax rim should be finished as

Flat

When establishing maxillary and mandibular wax rims at an approximate vertical measurement at the canines should be ______.

40 mm

Your lab manual recommends the posterior portion of the maxillary and mandibular wax rims have a width of ________

8 mm

The anterior incisal portion of the maxillary wax rim should be _____ from the center of the incisive papilla measured in a horizontal plane.

8-10 mm

How many millimeters does the maxillary central incisal edge set inferior to the incisive papilla?

6 mm

The anterior radiological landmark for Camper's plane is Acanthion

True

The anterior radiological landmark for Camper's plane is Orbitale

False (it's orbital Frankfort horizontal)

From lecture, the Ala-Tragus line is parallel to Camper's line.

true

The Ala-Tragus line is parallel to Frankfort Horizont

False

The anterior reference point for Camper's plane is _______ to the anterior reference point for Frankfort horizontal.

Inferior

The anterior reference point for Frankfort Horizontal is ___________ to the anterior reference point for Camper's plane

Superior

The Fox Occlusal plane is used to mimic the Camper's plane.

True (written out)

The top portion of your Hanau articulator that the maxillary magnetic mounting plate screws down on represents which horizontal plane?

Frankfort

Camper's plane is at an angle of approximately ______ degrees relative to the Frankfort Horizontal plane.

10

How many mm anterior to the margin of the tragus do you put a point in order to draw an imaginary line connecting the posterior margin of the tragus with the outer canthus of the eye when using a facebow?

13 mm

What is the Bennett angle you are instructed to set your articulator?

15 degrees

The change of the relationship of edentulous residual ridges is described in your text as "outward positioning of the mandible and inward positioning of the maxillae" makes a patient's jaw relationships appear.

Prognathic (class III)

decreasing the VDO=

class III

A skeletal classification of II could also be called retrognathic

True

Skeletal class II patients tend to have a _______ speaking space versus orthognathic skeletal class I patients.

Larger

Patients that exhibit a Class III occlusion tend to have a larger speaking space.

False

The distal end of the maxillary complete denture posteriorly at the midline should usually end _____ to the fovea palatinae

1-2 mm posterior

The mylohyoid muscle fibers run to the tongue horizontally in the ________.

Anterior (vertically in the posterior)

In considering the direction of the mylohyoid muscle fibers, when fabricating a mandibular edentulous custom tray, these muscle fibers run from the mylohyoid ridge toward the tongue _________ in the anterior region.

Horizontally

The tendon of this muscle helps ensure the retro-molar pad is a primary stress bearing area for A mandibular complete denture.

Temporalis

The retromolar pad contains the terminal part of the tendon of the _________ muscle

Temporalis

Parts of a flask

cope

drag

cap

plug

The distobuccal border of the buccal vestibule is primarily influenced by the ________ muscle.

Masseter

The ___________ notch is produced by contraction of the muscles limiting the most distobuccal extent of the mandibular buccal vestibule

Masseteric

What 2 muscles move anteriorly that may lead a patient with over extended dentures to complain of pain upon swallowing?

Superior constrictor

palatgolossus

Buccal retention of the mandibular denture base in the posterior has some depression for:

Buccinator and buccal fat pad

From lecture 5, slide 38, what is the 5th clinical step, A.K.A. appointment 3? MMR

-Maxillary plane of occlusion

-Establishment of occlusal vertical dimension

-Earbow transfer

-Maxillo-mandibular Centric Relation record

-Select artificial teeth

The fibers of the orbicularis oris pass horizontally through the lips and anastomose with the fibers of the _________ muscle

Buccinator

The distal portion of the occlusal table bilaterally is bounded by what anatomic structure?

Pterygomandibular Ralphe

Name the point where eight muscles meet at the corner of the mouth.

Modiolus

In the lecture, definitions pertaining to a complete denture the "resistance to vertical movement of a denture base towards the ridge" is:

support

In the lecture, definitions pertaining to a complete denture the "resistance to displacement of the denture base away from the ridge" is:

Retention

In the lecture, definitions pertaining to a complete denture the "resistance to horizontal or rotational forces" is:

Stability

There were 4 materials listed in lecture that can be used for border molding and they are:

Green stick compound

VPS high viscosity

poly ether

soft liners

What is the temperature the water bath should be set to "temper" green stick compound?

140 degrees

What does the hot water bath do?

cools the green stick compound (tempers it)

How do you border mold on a typodont?

Dentoform is not capable of doing movements so you will press material in place to capture the vestibule

High smile line would benefit from ________ tapered teeth

Less

what method did dr s used to determine the neutral zone

green stick compound while pt swallow

t/f denture teeth are thicker than natural

false

what do you measure to determine the space of the posterior teeth

distal of the canine to the ascending ramus

class III has a __________ shaped palate

v

distal part of occlusal table bounded by

pterygomandibular raphe

5 functions of mandibular denture teeth

denture stability

mastication

phonetic

support

esthetics

places to mark on maxillary rim

smile line

mid line

corners of the mouth

lingual control line we measure from what

mesial of the canine

canine cusp tips are ________ the incisive papilla

center

curve of a ruler is __________ than a flat ruler

greater

distal of canines are _______ to the incisiva papilla

posterior

tallest maxillary teeth

canines

centrals

pre-delivery we evaluate the lab work

Tooth movement

unaesthetics

voids

thin acrylic

thin/short borders

name

How do you border mold on a patient?

Run the patient through a series of facial movements (puckering and smiling)

How much clearance do you want for the tray during border molding?

Short of the vestibule 2-3mm

Will green stick compound stick if it is wet?

No must be dry, therefore we air dry it

What do you do to make the cutting/trimming of the greenstick easier?

Dip it in the cold water bath to cool it pre trimming

What is the best way to heat the greenstick?

Roll it constantly as you heat it over the flame

over the ridge technique works only for

patients with minimal RRR

How can you make adjustments to blend green stick compound in small spots?

Hanau torch

What finger was D. S using to stabilize the tray while he cuts with the bard-parker?

thumb

. From the Glossary definition of border molding, fill in the blanks.

"Shaping of the border areas of an impression material by ____________ or ________________ of the soft tissue adjacent to the borders to duplicate contour and size of

the vestibule."

functional or manual manipulation

What is the hardest area to border mold?

Mandibular lingual vestibule

What is the technique you may use during border molding to capture the masseteric notch?

Pushing downward on patient's chin while patient attempts to close mouth against the pressure.

Please list the 3 edentulous impression techniques presented in lecture.

Mucostatic

funcitonal

selective pressure

Closed Mouth Impression Technique

Functional

mucostatic denture technique is

low pressure

Mucostatic impressions require a high viscosity impression material

False

mechanical methods to determine VDO

measurement of existing dentures

parallelism of the ridges

relationship of the incisive papilla to mandibular incisors accurate radiographic records

functional methods to determine VDO

relaxed lip in contact without strain

-swallowing threshold

-biting force

- physiologic rest postion

-phonetics

For the functional (walking) technique of border molding the product identified that is used at our school is

Coe-soft

This impression material was used primarily with a "mucostatic" (low pressure) technique.

Metallic oxide