OEQ Flashcards
If a patient needs Cetacaine, how much can you apply:
0.4mL
what defect has the BEST prognosis for regeneration?
Three-wall
what defect is most common?
Two-wall
What is another name for two-wall defect?
Crater
T/F: The number of walls is determined by the amount of walls lost
False- by the number of walls REMAINING
What are the FUNCTIONAL indications for crown lengthening:
- Restoration with subG gingival margin
- Fractured tooth
- Endo perforation
- Internal root resorption
T/F: 85% chance of leaving residual calculus or biofilm in pockets of >5mm
True
Where is most calculus left?
CEJ & Line angles
What is the final goal of SRP?
Functional, comfortable, healthy dentition with stable probing attachment levels
What does GTR stand for?
Guided tissue regeneration
Non-surgical treated areas have a ___ percentage of defects that convert from non-diseased to diseased sites than surgically treated areas
Greater
The union of connective tissue with the root surface that has been deprived of its original attachment apparatus?
New attachment
The reunion of connective tissue with a root surface on which viable PDL is present:
Reattachment
The healing of a wound that does not fully restore function:
Repair
What is the most common flap done? What is another name for it?
Mucoperiosteal (full thickness)
A partial thickness flap leaves:
Periosteum on bone
T/F: Success is determined by the patients ability to keep good homecare
True
What is the MAIN GOAL of flap surgery?
ACCESS!!!!
What is the angle of the external bevel for gingivectomy
45 degrees
What is the most common indicator of a gingivectomy?
Gingival enlargement
Gingivectomy can be done on ____ defects
SUPRAbony
Where does the source of healing come from?
PDL
(flap margin & underlying bone as well)
What is the second stage of healing?
Revascularization
Order of healing:
1. incorporation (clot formation)
2. revascularization
3. resorption of graft material with release of BMP to induce bone formation
4. bone formation
5. bone remodeling & maturation
An ideal bone graft releases:
BMP
75% Hydroxyapatite 25% bovine graft:
Composite graft
Placement of the flap margin is done at the alveolar crest, what occurs?
Elimination of pocket
Placement of the fap margin coronal to the alveolar crest, what occurs?
Pocket reduction
What is an advantage to resection?
Easier & quicker
Which of the following is indicated a s a hemiseptum?
One wall
List the determinants of gingival contour:
- interdental space
- position of tooth in the arch (facial or lingual position in the alveolus)
- root shape
- crown shape
NOT NECESSARILY UNDERLYING BONE
Windowing of bone=
Fenestration
What is a true intrabony defect?
3-wall
List the percentages of SRP & surgical therapy for the following probing depths:
1-3mm:
4-6mm:
6+mm:
1-3mm:
SRP= 86%
OFD= 86%
4-6mm:
SRP: 43%
OFD: 76%
6+mm:
SRP: 32%
OFD: 50%
T/F: Guided tissue regeneration excludes epithelial cells and CT
True
Tissue transferred from one site to another site in the same individual:
Autografts
(intraoral, iliac crest, ribs)
Tissue transferred between individuals of DIFFERING SPECIES:
Xenograft
(bovine, swine)
Tissue transferred between individuals of SAME SPECIES:
Allograft
Variables affecting grafting success include include all of the following except:
antibiotics
Opening facial to get interproximal defects:
Anterior curtain
What should be done prior to crown lengthening surgery:
Bone sounding under LA
If you have 3mm of gingival recession on a tooth, with a 3mm probing depth, what is the overall attachment loss?
6mm
Despite the skill of the clinician, how much residual calculus or biofilm is left in periodontal pockets of greater than 5mm?
85%
Residual calculus or biofilm is left at:
CEJ & Line angles
What is the final goal of periodontal therapy?
Functional, comfortable, healthy dentition with stable probing depths and attachment levels
Epithelial exclusion is acheived with what technique?
Guided tissue REGENERATION
Single-rooted teeth, compared to molar teeth, have been shown to respond to which modality of periodontal therapy?
Both (single responds better all around)
A mucoperiosteal flap is also known as:
Full thickness flap
Which of the following does NOT increase the width of keratinized gingiva?
Modified widman
A mucoperiosteal flap is also known as:
Full thickness
What is the purpose of creating a flap that extends past the MG junction:
To allow epithelial attachment to the root
Reshaping of bone to achieve a more physiologic form without removal of alveolar bone is called:
Osteoplasty
Removal of alveolar bone proper:
Ostectomy
What is it called when interdental crestal bone is APICAL to the level of the radicular bone:
Negative
Regeneration techniques have the best prognosis with ___ wall defects
3
Large round burs are used for:
Osteoplasty
Which of the following is NOT a reason for excessive gingival display?
Clenching
The gingival margin of the lateral incisor shoudl be ___ to be considered esthetic
0.5-1.0mm coronal
