complete denture 2 final

c

the desirable characteristics of acrylic resin denture teeth include the following EXCEPT:

a. bond to heat cured resin of denture base

b. acrylic resin tooth easily modified

c. greater resistance to wear, compared to porcelain teeth

d. both a and b

shape and size

mold is a term applied to artificial teeth which is an expression of the ____ and ___ of the anterior tooth

retrognathic, prognathic, ridge resorption, posterior crossbite, senile pt

indications for use of non anatomic posterior teeth in both arches

old pictures and radiographs

two pre-extraction records that can be used when selecting denture teeth

chip easily, needs space for retentive mechanisms, difficult to adjust

disadvantages of porcelain denture teeth

0

non anatomic posterior denture teeth have approximately ___ degree antero-posterior cusp inclination

incisal guidance

when attempting to acheive a balanced occlusion for a complete denture, which is the most useful of the factors of articullation

condylar inclination, incisal guidance, occlusal plane, compensating curve, cusp height

what are the factors of articulation

condylar inclination

which of the factors of articulation is NOT in control of the dentist?

semi-adjustable

the panadent articulator is an example of which type of articulator

lingual of maxillary

in a bilaterally balanced occlusion, with cusped teeth, in lateral excursions on the BALANCING SIDE, the BUCCAL cusps on the mandicular make contact with:

false

T/F the eccentric interocclusal records such as protrusive and lateral records can be used to set the inclination of the INCISAL table on the articulator

arbitrary

the pana-mount facebow and kois dento facial analyzer system are examples of what type of facebow

facebow

the ______ is helpful to record the relationship of the MAXILLARY arch to the opening and closing axis of the kinge movement of the mandible and to transfer this relationship to the articulator

overdenture, maxillary denture, limited space, uncleean dentures

contraindications forr molloplast B use

false

T/F remount casts are used to evalutate the fit and stability of the dentures

verify/adjust occlusion

what is the purpose of remount casts after dentures have been processed

CR recording error, teeth shiftting, ill fittting base

reasons for occlusal descrepancies in processed denture

false

T/F when taking CR for verification of occlusion, at the insertion appaointment, TOOTH to TOOTH contact must be acheived

candida, difficult to adjust, discoloration, technique sensitive, fracture of denture

common problems associated with processed resilient denture liners such as molloplast B

external surface

if thinning of the acrylic covering the palate is nessary reduction is done on

disto-lingual border over extension

when evaluating mandibular denture border extensions at the insertion appointment , if the denture is forced upward and posterior when the patient is asked to wet their lip, it is an indication of:

true

T/F in denture occlusion, the anterior teeth do not contact in centric relation

d

the following are characteristic of balanced occlusion EXCEPT:

a. occlusal contact of posterior teeth in CO

b. in posteror, balancing contacts on non-working side

c. maxillary and mandibular anterior teeth contact in protrusive

d. in excursive movements, the anterior teeth touch on balancing side

semi adjustable

what type of articulator is most typically used for complete denture fabrication

false

T/F a porcelain denture is an excellent indication for a patient with limited interarch space

false

T/F research indicates that majority of people have tooth forms that harmonize the face forms

true

T/F it is washington state law that the patientst name be placed in new dentures

shorter than hard denture base

the life expenctancy of the processed resilent silicone denture liners (ex: molloplast B) is variable, however in general is:

d

the following are all indications for using a processed resilent liner EXCEPT:

a. patients have had oral radiation therapy

b. history of chronic soreness of tissues

c. patient with lack of adequate saliva

d. limited bulk of hard resin due to minimal inter-arch space

b

which of the following statements is TRUE?

a. not possible to make remount cast ahead of denture delivery/insertion appointment

b. remount casts are needed in order to mount finished denture to perfect occlusion

c. it is better to adjust the occlusion intra-orally and remount casts are not needed

d. none of the above

d

which of the following statements below is TRUE regarding trimming and polishing of dentures

a. the borders should be thinned and polished by labarotory technician

b. the borders should not be trimmed by laboratory technician

c. the borders should only be adjusted after evaluation intra-orally at the time of delivery by the dentist

d. both b and c are correct

external surface

if the denture base in the posterior palatal seal region is greater than 2mm, it should be adjusted by reducing thickness from the:

fixodent with proguard or stain away plus

the best denture cleanser for dentures with moloplast B linings is:

uniform bilateral contact of posterior teeth in CO

the FIRST PRIORITY when positioning denture teeth is:

incisal guidance

when attempting to achieve a balanced occlusion for a complete denture, what is the most reasonable to change by the dentist?

false

T/F when constructing complete dentures, the cast must always be mounted to a fully adjustable articulator

facebow

the ________ is helpful to record the relationship of the maxillary arch to the opening and closing axis of the hinge movement of the mandible and to transfer this relationship to the articulator

true

T/F eccentric interocclusal records such as protrusive and lateral records can be used to set the condylar inclination on the articulator but is not routinely done

having better appearance that 0 degree

in general, cusped teeth provide advantages of:

existing denture

if your patient were pleased with the appearance of their existing upper denture, what would be the best guide when selecting the mold of the maxillary anterior teeth

gradient polymerized resin in both anterior and posterior

the proper denture tooth material to be used for maxillary denture if a patient has PFM crowns on all mandibular posterior teeth and has natural teeth in the anterior mandibular (no crowns present in anterior) is:

false

T/F acrylic resin denture teeth have greater resistance to wear than porcelain denture teeth, thus preventting loss in vertical deminsion

true

T/F one of the indications for resin denture teeth is limited inter-arch space is available

false

T/F mold is an expression of the color, shape, and size of the artificial tooth

anatomic and nonanatomic

in general there are two types of artificial posterior teeth, classified according to their shape: ______ and _____

true

T/F when comparing efficiency of anatomic vs nonanatomic teeth, no significant differences were discovered

duplication of existing max denture, use of duplicate as impression tray, existing denture as guide for denture teeth

the alternate approach for removable complete denture fabrication proposed in the lecture includes:

c

what is the ADVANTAGE of the ALTERNATIVE approach disscussed in lecture?

a. it does not require an impression procedure

b. does not require centric relation recording

c. information provided by patients denture is utilized most effectively

d. all of the above

time consuming, reauires numerous steps

what are the DRAWBACKS of the CONVENTONAL approach to denture fabrication

e

advantages of the digital denure technique include:

a. reduced number of appointments

b. it is not reproducible

c. both a and b are correct

d. it is easily reproducible

e. both a and d are correct

d

advantages of duplicate denture include which of the following?

a. easily transferered to lab without added wait time and inconvienience of being without the denture

b. easily modified for impression procedure and dentofacial analysis

c. frabrication is straight forward

d. all of the above

false

T/F face bow is an instrument used to align the mandible to the maxilla

protrusive record

condylar inclination can be determine using:

resin

the preferred material for denture teeth in a complete denture set up is:

true

T/F occlusal discrepancies in a processed denture may be the result of an error in recording CR by operator error or ill fittting bases

d

the following step should be done PRIOR to the INSERTION appointment EXCEPT:

a. trim and polish

b. prepare remount casts

c. mount maxillary remount cast

d. mount mandibular remount cast

mandibular denture

it is more common to use a resillient liner on the:

bruxing/clenching, ridge morphology, soreness, low saliva, natural upper dentition, oral defect, radiatiton therapy

indications for molloplast B

true

T/F in the fabrication of digital denture, denture teeth are attached to the resin base by direct bonding procedure

current denture resin, opposing natural gold or PFM, limited space, overdenture, all RPDs and ICDs

indications for usee of resin teeth in denture

complete dentures both arches or prior history w/ porcelain dentures

indications for porcelain denture teeth