CHPT 30 and 32

Question 1

veneers

Answer 1

are thin layers of tooth -colored material that cover much of the facial surface.

Question 2

tooth colored cast restorations

Answer 2

made either of porcelain or composite resin

Question 3

three quarter crown

Answer 3

normally is prepared so that the mesial distal and lingual surfaces are reduced but the facial surface is left intact

Question 4

the fixed prostheses stage

Answer 4

usually begins 6 months after surgery.

Question 5

role of laboratory technician

Answer 5

The dental laboratory technician and the dentist work closely together to give the patient quality restorations.

Question 6

prostheses

Answer 6

when finished ,the protheses are cemented permanantly in the patients mouth

Question 7

post-retained cores

Answer 7

the posts are made of materials such as titanium, titanium alloy, gold-plated metal, and stainless steel.

Question 8

pontic

Answer 8

a bridge may replace one more adjacent teeth in the same arch. the missing tooth is replaced this

Question 9

onlays

Answer 9

are like inlays except they include the cusp ridges of the tooth

Question 10

maryland bridge

Answer 10

OR resin retained fixed bridge, is used to replace one tooth. abutment teeth have very little tooth structure removed during preparation.The bridge consist of a pontic with exstintions(retainers) varing in shapes. The extensions are designed to attach to the abutment teeth, on or toward the lingual surface.

Question 11

machanical retraction

Answer 11

the cotton cord is left in place for 10 to 15 minutes.

Question 12

low- speed handpeace

Answer 12

burs discs and stones

Question 13

inlays

Answer 13

cover the area between the cuspsin the middle of the tooth and the proximal surfaces that are involved inlays are MO,MO,DO, oe O

Question 14

high-speed handpeice

Answer 14

with a selection of diamond, discs, and burs

Question 15

fixed prosthese maintenance

Answer 15

maitainance of the fixed prosthes should become part of the patient’s daily regimen. brushing and flossing are continued.

Question 16

cementation of porcelain -fused - to metal crown

Answer 16

the occlusion margins and contacts are evaluated and adjustments are mad, if necessary. if the porcelain is adjusted, it is sent back to the laboratory to be refinished.

Question 17

cementation appointment

Answer 17

acid etchant is used to clean and decontaminate the inside surface of the veneer.

Question 18

CAD/CAM restorative systems

Answer 18

there are no unpleasant impressions, no needfor tempararies, and less reduction of healthy tooth structure.

Question 19

bridges

Answer 19

the bridge is divided into units, and each unit of a bridge represents a tooth

Question 20

before you cement the crown make sure you have

Answer 20

made adjustments

Question 21

adjacent

Answer 21

the teeth adjacent to the pontic are called these

Question 22

removable prosthodontics

Answer 22

the prostheses can be removed from the mouth by patent for cleaning.examination ,and repair.

Question 23

two types of prostheses

Answer 23

partial denture and complete full denture

Question 24

a partial denture

Answer 24

replaces one or more teeth in the same arch and is supported by the underlying tissue and remaining teeth.

Question 25

the complete denture

Answer 25

replaces all the teeth in one arch. a full denture is retained and supported by the underlying tissue of the gingiva and oral mucosa, the alveolar ridges,and the hard palate.

Question 26

for successful removable prosthodontics

Answer 26

the patent should be in good health, have a positive attitude and be cooperative

Question 27

components of a removable partial denture

Answer 27

metal framework,rest,connectors,retainer,denture base

Question 28

metal framework.

Answer 28

he metal framework is the skeleton of the removable partial to witch the remaining units are attached

Question 29

rests

Answer 29

the part that contacts a tooth to provide a vertical and horizontal support

Question 30

connectors

Answer 30

on the mandibular, the major connector is often a lingual bar or plate. on the maxillary the major connector is a palatal bar or strap or a complete palatal plate.

Question 31

retainer

Answer 31

called a clasp; the retainer contacts the abutment teeth and prevents the partial from moving.

Question 32

necessities for successful denture treatment

Answer 32

the patent should have healthy aveolar ridges

Question 33

jaw relationship appointment

Answer 33

once the completed baseplates and bite rims are articulated by the laboratory, they are sent back to the dental office to be used to determine the patients jaw relationship. The dentist and the laboratory technician need a detailed and accurate model of the patients occlusion, along with the other measurements.

Question 34

a caliper- like device called a facebow

Answer 34

used to record the relationship of the maxillary dentition to the tempormandibular joints so that the maxillary cast can be mounted on the articulator in the correct anatomic position.

Question 35

denture construction between appointments

Answer 35

between the consultation and the final impressions appointment, the alginate impressions are poured in plaster or stone.on these models ,custom acrylic trays are constructed.

Question 36

in the case of an immediate denture

Answer 36

the custom trays are fabricated to allow space for the anterior teeth present in the mouth and posterior edentulous areas

Question 37

the denture is returned to the laboratory

Answer 37

for final processing

Question 38

the occlusion is adjusted with

Answer 38

burs, stones, and disc on the cusps of the teeth.

Question 39

pressure spots

Answer 39

are relieved on the tissue surface of the denture base.

Question 40

pressure indicator past

Answer 40

placed on the internal surface of the denture and then inserted into the patients mouth

Question 41

pressure areas are marked and the

Answer 41

the dentist then uses acrylic burs and stones for adjustments

Question 42

home car instructions

Answer 42

keep denture moist to prevent dimensional change

Question 43

Dentures have low

Answer 43

thermal conductivity, so the patient will notice a decrease in thermal changes to the tissues under the acrylic denture base.

Question 44

the chairside (soft) reline

Answer 44

saves the patient time and makes it possible for the patient to never be without the denture

Question 45

this reline process

Answer 45

is a temporary solution, because the soft reline is not as durable and will not last as long as the laboratory reline.

Question 46

tissue conditioning

Answer 46

the process of healing tissues damaged from ill fitting dentures this must be done before a denture reline is completed.

Question 47

a temporary soft lining material

Answer 47

is placed in the denture to relieve the pressure and allow tissue to heal. the healing usually takes several weeks and then the denture can be relined.

Question 48

denture relining step three

Answer 48

the material is mixed according to manufactures directions and then placed in the clean denture. covering the entire tissue surface. the materials have low thermal reaction and cure directly in the patients mouth.

Question 49

denture relining step six

Answer 49

insert the denture into patients mouth and ask the patient to bite until the material reaches the initial set stage. explain to patent that may have slight burning sensation.