Final Exam Flashcards
What is calculus formed through?
oral biofilm formation
Where does mineralization occur?
matrix
How soon does mineralization begin?
24 to 48 hours
What are the 4 crystal forms of calcium phosphate?
hydroxyapatite, ocatacalcium phosphate, whitlockite, and brushite
What percent of calculus is made of inorganic components?
75-85%
above free gingival margin, exposed roots, and attached gingiva
supra calculus
below free gingival margin, mineral source: crevicular fluid, inflammatory exudate
subgingival calculus
the presence and distribution of plaque that is used to elevate level and rate of formation of plaque on teeth
plaque index
What is moved through an ultrasonic causing the tip to vibrate?
compressed air
What flows through an ultrasonic to dissipate heat?
water
How many cycles per second travel through an ultrasonic?
18,000 to 50,000 cycles per second
production of minute bubbles
cavitation
pressure produced
acoustic turbulence
results in flushing action
fluid lavage
What are the two main types of ultrasonics?
magnetostrictive and peizoelectric
ultrasonic type which moves in linear motion for tip
piezoelectric
ultrasonic type which moves in elliptical or orbital tip motion
magnetostrictive
What are the contraindications for ultrasonic and air polsishing?
communicable disease
high susceptibility to infection
respiratory risk/disease
unshielded pacemaker
difficulty swallowing or prone to gagging
age-including primary or newly erupted teeth
oral conditions
has restorations or titanium implants
What type of restorations should you avoid air polishing?
amalgam alloy, composite, porcelain/gold/glass ionomer restorations, sapphire/pure titanium implants
help keep the oral cavity in good health and also halt the progression of gum disease or gingivitis while eliminating bad bacteria
goals of oral hygiene prophylaxis
What are the parts of a rubber cup tooth polishing?
low speed handpiece, prophy angle + rubber cup and bristle brush, prophy paste
What is the effect of rubber cup polishing?
removal of extrinsic stain
What grits are used during a prophylaxis?
fine, medium, coarse, extra course
What type of grit is used during a normal cleaning?
medium
What types of restorations cannot be used with coarse grit paste?
composite or porcelain
What type of grit should be used on children or composite restorations?
fine
What type of stain does air polishing remove?
extrinsic
What type of patient cannot accept the usage of air polishing?
those with respiratory disease
What are the indications for sodium bicarbonate air polishing?
supra and ortho
What are the indications for calcium carbonate air polishing?
supra and defects in intact enamel
What are the indications for aluminum trihydroxide air polishing?
supra
What are the indications for calcium sodium phosphosilicate air polishing?
supra and dental sensitivity
What is the best options of air polishing?
glycine or erythritol
What are the indications for glycine air polishing?
sub and supragingival, safe on gingiva and mucosa, safe for implants and ortho, perceived to be more comfortable than other powders
What are the indications for erythritol air polishing?
sub and supra gingival, safe for implants and ortho, least abrasive, perceived to be more comfortable than other powders
What should you not polish because of the abrasiveness?
dental implants
How many times a year is fluoride typically applied?
2-4 times a year
What are the types of fluoride?
sodium fluoride, sodium monofluorophosphate, stannous fluoride, fluoride gel, fluoride varnish
What is sodium fluoride?
mouthwash, 220 ppm
When is fluoride gel used?
high caries
What type of fluoride is recommended for children?
fluoride varnish
deep cleaning involving removal of plaque and calculus to stop gum disease below the gumline
root debridement + planing
What are the goals of root debridement + planing?
arrest infection, return tissue to health by eliminating deposit, reduce biofilm in pocket, and dental therapeutic interventions
How long does the healing process after root debridement take?
1-2 weeks
Where does infection begin?
gums and bone surrounding teeth
What are the strokes used during calculus removal?
short, controlled biting strokes with moderate pressure
What is the stroke used during root debridement beyond the root surface
cutting edge against cementum with short, light pressure strokes
What are the strokes used during root planing only on the root?
only where there is calculus with moderate to light pull stroke to smooth root surface
What degree is used for angulation of insertion?
0-40 degrees
What angle is used for angulation for calculus removal?
60-80 degrees
What are signs of inflammation?
erythema(red), edema(swelling), heat, pain, loss of function
What are signs of health?
pale pink, uniform, pigmented/melanin
firm, resilient
<10 % bleeding
smooth free gingiva
attached gingiva stippled, use air to detect
knife edged margins
papillae is pointed and pyramidal
1-3 mm PD
What are signs of diseased oral status?
mild or moderate redness, bright, dark, cyanotic
deep inflammation in smoker
soft, spongey, dents easily
smooth, shiny, loss of stippling
> 10 % bleeding
fibrotic, nodular, hyperkeratotic
rounded, rolled, bulbous margins
bulbous or flat
4+ PD
What is normal body temperate?
normal: 98.6 - range is 96.0 to 99.5
hyperthermia temperature
over 105.8
hypothermia temperature
below 96.0
normal pulse range
60-100 bpm
avg pulse
80 bpm
normal pulse of 2 year old
105 bpm
normal pulse of 4 year old
90 bpm
normal pulse of 10 year old
70 bpm
tachycardia
beats over 100 bpm
bradycardia
beats below 50 bpm
normal respiratory rate
12-20
normal respiration for 2 year old
25 rpm
normal respiration for 8 year old
20 rpm
normal respiration for 15 year old
18 rpm
normal blood pressure
<120/80 mmHg
prehypertension
120-130/80
stage 1 hypertension
130-140/80-90
stage 2 hypertension
140-180+/90-120+
When fermentable carbs interact with oral biofilm, what is produced?
acid
What are three types of sugar alcohols?
sorbitol, xylitol, and mannitol
What are two types of simple carbs?
fructose and galactose
What are three types of complex carbs?
starch, glucose polymers, and glycogen
What is the main function of proteins?
supply energy
What are the functions of vitamins?
regulates metabolism and assist in forming body tissues
this vitamin is essential for proper vision, would healing, and cancer prevention; soft tissue and bone growth, ameloblast formation; enamel hypoplasia
vitamin a
this vitamin may also be called the sunshine vitamin, it forms in the presence of ultraviolet light, and is important for calcification of bone and perio health
vitamin d
this vitamin is produced by microorganisms in intestinal tract; it is the formation of prothrombin (clotting factor)
vitamin k
this vitamin protects red blood cells, helps vitamin a and c, reproduction and membrane stability, immune function, reduce cancer risk, reduce cataracts, and reduce parkinson and alzheimers disease
vitamin e
loss of consciousness that is a symptom of a lack of brain oxygen
syncope
What are the types of syncope?
psychogenic and non-psychogenic
What position should you put someone in if they are unconscious?
supine except if they are pregnant
What are the five non-injectable emergency drugs?
oxygen, nitroglycerine, bronchodilators, anti-hypoglycemics, and aspirin 81 mg
What are the three risk factors for unconsciousness?
stress (psychogenic), ASA status III or IV, and use of drugs
What salts make up calculus?
calcium and phosphate
Does calculus cause periodontal disease?
no