Midterm Review (OEQ) Flashcards
What is the definition of pocket/probing depth (PD)?
Gingival margin to the bottoms of the pocket
What is the definition of attachment loss?
From CEJ to base of the pocket
CEJ is required for the measurement of:
attachment loss
-Gingival pocket (false pocket)
Pseudopocket
A pseudopocket is caused by:
Hyperplasia; coronal movement of the gingival margin
A pseudopocket involves no _____ of _____
apical migration; junctional epithelium
Describe the bone loss seen with a pseudopcoket:
No bone loss (all psuedopockets are suprabony)
What is the ppm of in-office fluoride:
Greater than 9000 ppm
(our slide gives 22,600 ppm as an example)
What is the fluoride concentration of Prevident?
5000 ppm (1.1% NaF)
Do you use toothpaste prior to applying foam or gel fluorides?
Yes, you should brush the patients teeth & then apply
If a patient overdoses on fluoride, what should you give them?
Also what is considered “overdosing”?
Calcium, aluminum or magnesium products
(>5mg/kg)
EMERGENT Situation= >15mg/kg (9-1-1)
What is the current fluoride standard in water?
0.7 ppm
What do we mean by “optimal” fluoride levels in water:
Optimal means minimal caries with minimal fluorosis
What is the optimal RANGE of fluorination of water?
0.6-1.2 ppm (though 0.7 is optimal LEVEL)
0.7 ppm fluoride in water will decrease caries with _____ % of the population experiencing fluorosis
less than 10%
What is the definition of plaque?
An organized mass of bacteria in gel matrix
Which of the following is NOT true concerning the acquired pellicle?
a) it is a glycoprotein from saliva
b) it is a mode of attachment for calculus
c) if it is removed, it immediately reforms
d) it is primarily composed of bacteria
d) it is primarily composed of bacteria is false
Describe the composition of the acquired pellicle:
- polysaccharides
- proteins
- glycoproteins
- lipid material
- DNA
The pellicle forms first on the tooth…
providing bacteria a surface to attach to
When does bacteria colonization occur?
As soon as acquired pellicle is introduced/forms in the mouth
Within the first 4 hours of bacterial colonization of plaque, 47-85% of the organisms are:
streptococcus
When an energy source is introduced, microorganisms produce:
a) acid
b) intracellular polysaccharides
c) extracellular polysaccharides
d) acid & intracellular polysccharide
e) all of the above
e) all of the above
(True/False):
The optimal level of water fluoridation is 70 ppm. Optimal levels mean minimal caries with minimal fluorosis.
Statement 1- false
Statement 2- true
(True/False):
After fluoride deposition, the concentration of fluoride is highest in the surface enamel & decreases as you approach the surface dentin.
True
After fluoride deposition, where is the concentration of fluoride the highest?
Surface enamel
In office fluorides are ______ ppm
9000-28000 ppm
Which of the following is used for in office fluoride treatments?
2.0% neutral sodium fluoride- 9000ppm (rarely used)
1.23% acidulated phosphate fluoride- 12,300 ppm (rarely used)
5.0% NaF- 22,600 ppm (varnish) (commonly used)
If a patient is 40 kg, what is their probably toxic does (PTD)?
200 mg
(calculated using 5mg/kg rule) (40mg x 5mg/kg =200kg)
Why is brushing your teeth before using a prescription gel indicated?
The prescription gel does not have abrasive systems
One can decrease fluorosis by:
Decreasing the amount of fluoride accidentally ingested in children during tooth development
Which of the following is false concerning cementum?
The acellular portion is towards the apex of the root
Which is false regarding gingival fibers?
Unites marginal gingiva with PDL
Which structure is also termed the lamina dura and cribiform plate?
Alveolar bone proper
Which is the least likely determinant of unhealthy gingiva?
-color
-consistency
-stippling
stippling
The consistency of healthy gingiva should be:
Firm & resilient
In smokers, gingiva will have ______ likelihood of bleeding during probing
lesser
List the parts of the periodontium: (4)
- gingiva
- PDL
- Cementum
- Alveolar bone
(NOT- alveolar mucosa, enamel)
The attached gingiva and alveolar mucosa are separated by the:
Mucogingival junction
Which of the following are non-keratinized: (3)
- gingival col
- junctional epithelium
- alveolar mucosa
Color of gingiva is determined by:
Vascularity of the gingiva
To measure the amount of attached gingiva:
Subtract the pocket depth from the keratinized gingiva
The least amount of attached gingiva is found:
facial of mandibular premolars
What is the basis of branstrom’s theory of hydrodynamics?
Fluid movement in the dentinal tubules produces sensitivity & pain
Gingivitis (Class I) is characterized by:
No bone loss
Periodontitis is characterized by:
- bone loss
- apical migration of the JE
What bacteria is associated with periodontal disease: (5)
- aggregatibacter actinomysetemcomitan (Aa)
- Treponema denicola (T. denticola or Td)
- Porphyromonas gingivalis (P. gingivalis or Pg)
- Prevotella intermedia (P. intermedia or Pi)
- Tanerella forsythia (T. forsythia or Tf)
Gingivitis is characterized by:
- BOP
- increased GCF
- Edema
What is the response when a patient informs you that they bleed during flossing?
Tell the patient that they have gingivitis
Fluoride varnish ppm is approximately:
22,000 ppm
Recession occurs from the:
CEJ to the gingival margin
Major component of plaque biofilm:
Pellicle
What is the main role of calculus?
Keeps plaque in contact with the gingiva
T/F: You use your middle finger to roll the instrument
False- you use your thumb
Angling 45-90 degrees with the instrument allows for:
Proper removal of calculus
What is the fluoride concentration of an over the counter mouthwash?
225 ppm
What is the fluoride concentration of prescription toothpaste?
5000 ppm
Where would you sit to see the facial of second molars with direct vision:
9 o’clock
True and false pockets have what in common?
Bleeding & hyperplasia
If the gingival portion of the tooth is white and chalky what is wrong?
Decalcification
After applying fluoride varnish, what is the patient instruction?
Can eat and drink immediately - (but no chips/hard stuff)
How long does SDF take to remineralize (arrest caries)?
1 week
What is indication for use of SDF?
Caries present on posterior dentition
SDF allows for:
formation of hydroxyapatite & fluorapatite (treated surfaces will be less susceptible to caries)
What is the fluoride content of kids toothpaste?
1000 ppm
The acquired pellicle is mainly composed of:
Glycoproteins
Plaque is formed by salive/exudate and:
Bacteria & acquired pellicle
T/F: Secondary colonizers do not colonize on clean teeth
True
(Primary colonizers work on clean teeth, secondary colonizers work on pellicle)
One fluoride that is NOT used in a dental office is:
Stannous fluoride
To measure the attached gingiva use:
keratinized gingiva - sulcus depth
Anchors tooth to bone by PDL:
Cementum
Mouthwash is beneficial for communities:
with or without fluoridated water
What is the fluoride content of over the counter toothpaste?
1000 ppm
How do you adapt the line angles?
Roll instrument between thumb and forefinger
Bleeding on probing is due to: (2)
- ulceration is sulcular epithelium
- presence of inflammation
T/F:
APF is a more effective form of fluoride so we want to use it.
Enamel that has fluoride is less susceptible to caries.
First statement- false
Second statement- true
T/F: Neutral fluoride has a metallic taste
False- SDF does
Psuedopockets and true pockets have what in common: (3)
- gingival inflammation
- BOP
- increased pocket depth
What is the distinct difference between natural tooth and natural periodontium vs. dental implant and peridontium?
- dental implant will have ______ vascularity
- dental implant will NOT have a _____
- dental implant will have ____ gingival fibers
- dental implant will have collagen fibers ____ to the implant
- Less
- PDL
- Fewer
- Parallel
What are the components of a dental implant? (3)
- implant body
- abutment
- fabricated crown
(made of titanium)
What is the seating position for the anterior area of the mandibular arch when working on toward surface?
8-9 o’clock for RH
What is the seating position for the anterior surfaces of the maxillary arch when working on toward surfaces?
8-9 o’clock for RH