#29, #3, #5, and Provisionals Flashcards
There will be ____ occlusal and axial wall depth grooves
three
Mandibular premolars generally incline to the ____
lingual
The ____ of the instrument defines the chamfer
tip
Use the ____ bur to remove inter-proximal
747.6M
True or False
Use the high speed on a maximum speed to finish the prep
False; use minimum speed
The functional cusps of a maxillary molar are the _____ cusps
lingual
Maxillary molars generally incline towards the ____
buccal
The buccal first place established the ______ of the crown and provides _____ for the restoration metal
POW
space
The buccal second place is reduced to provide sufficient _____ or the restoration metal and restore the tooth to its _____ _____
space
original contour
Maxillary molars have ____ planes
two
The first buccal plane is from the _____ crest to the junction of the _____ and ______ third
gingival
middle and occlusal
The second buccal plane extends is from the junction of the ______ and _______ middle third to the _______ edge
occlusal and middle
occlusal
The requirements for a provisional do/do not differ significantly from a restoration
do not
The 3 provisional restoration requirements
biological
mechanical
esthetic
provisional restoration requirements; protect pulp, maintain periodontal health, prove occlusal compatibility, maintain tooth position, protect against fracture
biological
provisional restoration requirements; resist functional loads, resist removal forces, maintain inter abutment alignment
mechanical
provisional restoration requirements; easily contourable, color compatibility, translucence, color stability
esthetics
Deterioration of _____ or _____ health is an obstacle in the delivery of fixed prostodontic treatment
gingival or pulpal
To make provisional restorations a ____ _____ is created by assembling a tissue surface form and an external surface form
mold cavity
There are three categories for the tissue surface form
direct, indirect, indirect-direct
True or False
The indirect procedure is preferred in provisionals
True
In clinic the ______ ______ _____ should be made prior to the patients appointment
external surface form
To make an external surface form of the typodont; make an _____ _____ of teeth 1-6; and then a _______ _____ (polypropylene sheet)
alginate impression
vacuum form
The buccal and lingual extensions of the external surface form should be trimmed ____ from the gingival margin
3mm
Internal surface form is formed via an irreversible ______ _______ and a ____
hydrocolloid impression
cast
Once the internal surface form and the external surface form fit together; paint the cast with one layer of _____ _____
separating medium (al-cote)
When the separating medium is dry, mark the _____ _____
cavosurface margin
Fill the external surface form with _____ ______ (methyl methacrylate); and seat it; and cure with warm water and pressure
autopolymerizing resin (mix jet)
True or False
You will trim AND polish the provisional
True
True or False
An unacceptable marginal fit can be corrected in a provisional
True; but for these exercises, just re-do it