Sweep 2 Flashcards
• Errors that require remount
o Bad CR records
o
• Why remount?
o To do
selective grinding
o Grind occlusal errors with
small stones or number 8 round bur
o Don’t reduce functional cusp→
make opposing fossae deeper/wider
• Elimination of occlusal errors in non-anatomical teeth
o First adjustment is posterior maxillary with very fine sandpaper
o Selective grinding then only on mandibular teeth
o If you did it right you won’t have problems
If teeth touch and slide
o Look at mucosa for sore spots
- Check frena
- Check hamular notches
- Check hard and soft palates
- Palpate coronoid process
- Check mylohyoid ridges and retromylohyoid spaces as well as side of tongue
o Soreness on top of ridge=
heavy contact
o Soreness on side of ridge =
shifting denture base due to deflecting contact
o Lesions on inside of cheek= cheek biting→
reduce mandibular tooth
o Tight dentures=
errors in occlusion (usually happens later on)
o Irritation to vestibule =
sharp/overextended flanges
o Irritation of tissue posterior to hamular notch=
too long extension
o If soreness in notch, ————- is creating too much pressure
• Use PIP to evaluate 1 notch with adjustment
• The other notch
• The posterior border length and seal
posterior palatal seal
o Excessive pressure from mandibular buccal flange =
tingling or numbing sensation at the corner of the mouth or in lower lip due to impingement of mental nerve
o Gagging is due to
long posterior border of maxillary denture
• Try modeling compound if adjustment ruins seal
o Maxillary denture coming loose when yawning=
distobuccal flange of maxillary denture is too thick
o Soreness in gums and lower face muscles =
excessive VDO
E in EFSB treatment planning: stands for..
Aesthetics
T o F treatment planning should start with teeth
F
Sequence of planning and sequence of treatment should follow same order T o F
F
On average, which patient displays more incisal edge of max central incisor.
- 30 yr old female - 35 yr old male
-30 yr old female **
Mandible resorbs 4x slower than maxilla T o F
False
T o F maxilla absorbs inwards, while mandible absorbs downward and forward.
*T
The foundation for odentogenic restoration is ———— of the patient.
Attitude, personality, desires, essence.
desires
• Problems with Mastication- Incisor support limited, so
canine area is better for “incising”; smaller portions easier to chew and some foods will be off limits (extremely hard/chewy/sticky foods)
o Disharmony in occlusion →
lesions
o Lesions on palate and crest of residual ridges are usually small, well circumscribed and indurated
o Hyperemic lesions- due to
bone spur, area of exostosis or foreign body; usually presents later
o Severe irritation- detaching of overlying mucosa especially on the
mylohyoid ridge, cuspid eminences, alveolar tubercles and bone exostoses; due to denture flange during insertion and removal of denture or friction during function
o Hypertrophy- occurs in
midpalatal suture area, small nodules develop due to poor fitting prosthesis with poor retention
o Insufficient interocclusal distance →
generalized soreness of crest and slopes of ridge along with pain in elevator muscles of mandible
o Commisural chelitis- inflammation of
angles of mouth due to excessive interocclusal distance (closing down too much in CO)
• Usually lack of retention in retromolar pad area =
anterior dislodging
o Dislodgement during rest is usually due to
underfilling/inadequate seal/ too much or too little saliva
• Slow loss of retention → saliva
• Sudden loss → mechanical problems
Elevate 2nd molar by 1.5mm to
emulate curve of spee
Class II or III, consider using
monoplane occlusion
Monoplane can be unstable if
condylar guidance is steep.
ESFB
esthetics
structure
function
biology
——— is the starting point for an esthetic evaluation
Facial midline
Maxilla resorbs ——-, mandible resorbs ——–
inward
downward and outwards
With the lips at rest, a youthful appearance of an unworn dentition will display between
2 and 4 mm of the central incisors.
When the Patient smiles the smile curve should fall within
50-80% of the distance between the upper and lower lip.
Average W/L ratio for the central incisors is
75-80%.
Order of checking
Denture base, borders, occlusion, phonetics, polish, instruction, recall
Sublingual crestal area
overextended
remount - use wet guaze to
block out undercuts
Place two cotton rolls on the first molar denture teeth and have the patient close on these cotton rolls for 5 minutes. This allows
optimal denture adaptation and seating the PPS area.
Concave parts of mandibular denture aid in
retention
Maxillary contours aid in
speech
In the canine premolar area there should be a gentle concave contour of the denture base extending from the palatal surface of these teeth to the horizontal shelf of the palate. (“s” sounds)
Horizontal plaster and land areas are lubricated prior to the second pour to
facilitate separa6on of the flask
Diatorics added for
mechanical reten6on - drilling into the bottom of a denture tooth before adding acrylic
If the cast has undercuts, a small amount of
dough is placed into the undercut areas before the trial pack.
Thin plas6c sheet is placed between the
two halves of the flask until the final press.
Sibilant sounds: mand travels
downward and forward. Greatest in class II. IO = 5 mm with sibilant sounds. This tells you that: VDO is insufficient.
