Comprehensive Exam Material Flashcards
Narrow ligamentous band extending from pterygoid hamulus to posterior part of mylohyoid line:
Pterygomandibular raphe
The pterygomandibular raphe is a narrow ligamentous brand extending from:
Pterygoid hamulus to posterior part of mylohyoid line
Where do the buccinator muscle & superior constrictor muscle fibers enter?
Pterygomandibular raphe
The _____ & _____ muscle fibers enter the pterygomandibular raphe
Buccinator muscle fibers & superior constrictor muscle fibers
Limits the length of the maxillary & mandibular complete dentures:
Pterygomandibular Raphe
What muscle can be seen when the patient opens mouth wide?
Pterygomandibular Raphe
What muscles affect the distal phalange of the mandibular denture?
Palatoglossus muscle & superior constrictor
The palatoglossus muscle & superior constrictor affect the _______ of the ____ denture:
Distal phalange of the mandibular denture
According to the book, what order do you select teeth?
- Size
- Outline form (mold)
- Shade
What does the mylohyoid connect?
The floor of the mouth to the mandible
What connects the floor of the mouth to the mandible?
Mylohyoid
How do you border mold the masseteric notch (& distal border)?
Patient stretches wide open and then closes against manual pressure (bite on finger?)
Describe the House Classification of Soft Palate- Class I
Ideal, greater than 5 mm of tissue available
Describe the House Classification of Soft Palate- Class II
1-5 mm of tissue available- adequate
Describe the House Classification of Soft Palate- Class III
Less than 1 mm of tissue available- poor
Easiest to tolerate, broadest range, hardest to locate:
Class I
The most common palatal drape:
Class II
Palate is the easiest to locate & the hardest to tolerate:
Class III
Why is a class III palate considered bad in CD?
- Bad denture retention
- Bad posterior palatal seal
How do you border mold the alveolingual sulucus?
Patient swallows & protrudes tongue but not past lips
Captures tissues in their most undisturbed & undisplaced forms:
Minimal pressure impression
Impression made with the soft tissue under a significant load of pressure; impression material is more viscous; patient forcefully closes mouth while material sets:
Functional pressure impression
Theory is that denture-based tissue contact during function would be more intimate if tissue is recorded under compression:
Functional pressure impression
Pressure on certain areas; minimal pressure on other areas; dentist decides:
Selective pressure impression
How do we select areas of non-pressure & pressure within the same impression?
- Drill vent holes in tray
- Wax spacer relief
- Grind the tray for relief space
- Combination of all
What type of pressure is used for the re-line/re-base
Funcional pressure
Purpose is to define denture border in length, width, shape, & contour:
Border molding
For maxillary border molding, insert tray and ensure that 2mm of space is present between:
Vestibular reflection & tray border
In maxillary border molding, the tray must extend into each ______ and just beyond/posterior to the _____
Hamular notch; Vibrating line
(Max) What movement is necessary to capture the maxillary posterior border mold?
Patient moves jaw side to side
(Max) What movement is necessary to capture the buccal frenum area during border molding?
Elevate cheek, lightly massage outward, downward & anterio-posteriorly
(Max) What comes into play when border molding the buccal frenum area?
Coronoid process
(Max) How do we capture the labial vestibule on a border mold?
Elevate lip outward, massage lip downward
(Max) How do we capture the labial frenum when border molding?
Elevate lip, seat tray, massage lip straight down (DO NOT MOVE SIDE TO SIDE)
(Max) How do we capture the posterior palatal border when border molding?
Patient pinches nostrils, blows lightly through nose, then swallow
For mandibular border molding there is ____mm of space at the border
2 mm
How do we border mold the mandibular lingual frenum area?
Gently wet upper lip with tongue for length of border & place tip of tongue under & move lip side to side for width
How do we border mold the mandibular aveololingual sulcus?
Pt swallows or protrudes tongue but not past lips
How do we border mold the mandibular mylohyoid region?
Patient swallows forefully 2-3 times making floor of mouth move then tongue touches R/L buccal vestibules & thumb by handle
How do you border mold the mandibular buccal frenum?
Massage cheek outward, upperward, inward (anterior to posterior)
What muscle affects the distobuccal corner of mandibular denture?
Masseter
What affects the distolingual corner of the mandibular denture?
Medial pterygoid
Superior constrictor
Glossopalatal muscle
What is the buccal corridor?
Space between cheek & teeth when smiling
What do you do when making a CD and mandiular tori are in the way?
Remove
What are the contents of the retromolar pad?
- Loose submucosa
- Glandular tissue
- Fibers of buccinator & superior pharyngeal constrictor muscles
- Pterygomandibular raphe
- Temporalis muscle tendon fibers
What should you do if patient comes in wearing old denture with only 1mm of space present:
Reduce hamular tuberosities
How do you correct an OVD that is too big?
Increase interocclusal distance
If the teeth contact when speaking, the _____ is too open and the ____ is too little
OVD; IOD
The distance between two points, one above & one below the mouth measured when occluding members are in contact:
Occlusal vertical dimension (OVD)
The space between the teeth or occluding members when the mandible is in physiological rest position:
Interocclusal distance (IOD) (aka Freeway space)
Interocclusal distance is also called:
Freeway space
OVD+IOD=
RVD
Position in which lips touch but teeth do not:
PRP
What is the third point of reference for Hanau?
infra-orbital notch
What is the third point of reference for Whip-mix?
Nasion
Junction of movable/immovable tissue:
Vibrating line
Where does the soft palate start?
Posterior to vibrating line
Dentures should atleast extend to the:
Vibrating line
In complete denture wearer’s the mean reduction in the mandibular ridge is _____x that of the maxillary ridge
4
If a patient has anatomic, balance occlusion:
Max lingual
Posterior cusps occlude with __ on the non-working side:
Buccal side of lingual cusp
Formula for balanced occlusion:
Hanau’s Quint
Formula for balanced occlusion (Hanau’s Quint) includes:
- incisal guidance
- condylar guidance
- cusp height
- plane of occlusion
- compensating curve
Why does a retruded tongue have bad prognosis?
Hard to achieve border seal
How do you correct a denture when a CD patient whistles when trying to make “S” sound:
Recontour anterior palate of denture
What is the main advantage of resin teeth?
Can chemically bond to base
When treating complete edentulous (maxillary & mandibular) with teeth, what is most important?
OVD?
Fractures?
When is a kinematic facebow reccomended for clinical use?
NEVER for dentures (none of above)
When waxing dentures what should NOT be accomplished?
Establish canine guidance
In two-stage, why remove the posterior teeth first?
Improve accuracy after healing
Patient complains that the mandibular CD is loose, what is the least likely reason for this?
Set in neutral zone - because this is actually very ideal
When tuberosities are too large, surgical reduction should be limited to:
Osteoplasty/alveolplasty?
Most likely to cause spherical porosity in denture?
Monomer boiling
What is the long cure method?
165 degrees F for 9 hours
The maxillary central incisor resembles the inverted face form:
Geometric theory
The geometric theory is separated into four categories:
- Square
- Square-tapering
- Tapering
- Ovoid
For the geometric theory, three points are connected on each side of the face:
- Temple
- Zygomatic arch
- Angle of mandible
Theory of tooth selection based on sex, age & personality:
Dentogenic theory
To maximize complete denture stability, mandibular molars should:
Be placed over the crest of the ridge
When mandibular molars are placed over the crest of the ridge this:
Maximizes stability of complete denture
A well-contoured denture uses muscle contractions to stabilize the denture, the best example of this is:
Buccinator
Role of protrusive record in complete dentures:
Adjust articular condyle
Zarb’s text states that a 24-hour follow-up is advised, why?
Patients have a better perception of denture
The compensation cure in complete denture refers to:
The fox plane
Anatomical landmarks used to establish posterior border:
Hamular notch
Fovea palatini
Common causes of maxillary denture dislodgement:
- Occlusal deficiencies
- Under-extension
Denture wearer has angular chelitis, etiology?
-Candida
-Vitamin deficiency
-Loss of OVD
If patient is edentulous on mandible & has opposing maxillary teeth, the best option is:
Implants
If there is a discrepancy with CR with wax trial dentures, what do you do?
Remake facebow record & maxillary casts are remounted (mandibular??)
Surgical guide for intermediate denture patient is?
Alveoplasty or bone smoothing is anticipated is adequate
Which type of occlusion is NOT indicated for complete denture?
Canine guidance
Name of denture dental device to parallel campers plane?
Fox plane
Patient with combination syndrome may benefit from:
Implants on mandible, not maxillary
Zarbi recommends the following for anterior denture teeth:
_______
What to avoid when rebasing a complete denture?
______
Lab reline should be prescribed when the complete denture has:
Looseness