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Ch 58 coronal polish

coronal polishing

QuestionAnswer
calcium and phosphate salts in saliva that become mineralized and adhere to tooth surfaces calculus
that portion of the tooth that is visible in the oral cavity clinical crown
a technique used to remove plaque and stains from the coronal surfaces of the teeth coronal polishing
stains developed from within the structure of the tooth ednogenous
stains developed from external sources exogenous
stains that occur on the external surfaces of the teeth that may be removed by polishing extrinsic
finger rest used when an instrument or handpiece is held for a specified time fulcrum
stains that occur within the tooth sturcture that may be removed by polishing intrinsic
the complete removal of calculus, debris, stain, and plaque from the teeth also commonly known as prophy or cleaning oral prophylaxis
commercial premixed abrasive paste used for polishing teeth and restorations prophy paste
a technique that is used to remove plaque and stains from the coronal surfaces of the teeth rubber cup polishing
smooth tooth surface is ____ likely to retain plaque, calculus and stain less
coronal polishing is done with the use of a dental handpiece with a prophy angle, a rubber cup, and a polishing material
coronal polishing is strictly limited to the clinical crowns of the teeth
who are the members of the dental team that are licensed to perform an oral prophylaxis dentist and hygienist
contraindications for coronal polishing when no stain is present, patients who are at high risk for dental caries, sensitive teeth, newly erupted teeth
indications for coronal polishing before placement of dental sealants, before placement of dental dam, before cementation of orthodontic bands, before application of acid etching solution on enamel, before cementation of crowns and bridges
___ is a procedure in which only those teeth or surfaces with stain are polished selective polishing
what is the purpose of selective polishing to avoid unnecessary removal of even small amounts of surface enamel
does polishing teeth improve the uptake of professionally applied fluoride no it does not
what does polishing reduce the endotoxins and the bacteria on the cementum
stains are what kind of problem primarily an esthetic problem
types of endogenous stains include those caused by: an excessive amount of fluoride during formation of the tooth, would be that resulting from medications taken by the mother or the child during tooth development.
an endogenous stain regarding developmental stainig due to medication can be caused by : tetracycline
exogenous stains are caused by what environmental agents
examples of extrinsic stains are : staining from food, drink, and tobacco, the source of the stain is external and may be removed
examples of intrinsic stains are: tobacco stains from smoking, chewing or dipping and stains from dental amalgam
what is the appearance of black stain and what causes it, thin black like on the teeth near the gingival margin.caused by natural tendencies
Black stain is more common : in girls, found in clean mouths, difficult to remove
what is the appearance of tobaco stain a very tenacious dark brown or black stain
what are the two methods of stain removal air-powder polishing and rubber cup polishing
with any type of stain and plaque removal procedure you must be careful: not to remove the surface enamel of the tooth, and to avoid trauma to the gingiva
when using air-powder polising what agents are used in the handpiece warm water and sodium bicarbonate
Polshing brushes are not recommended for use on what exposed cementum or dentin because these surfaces are soft and are easily grooved
what can you do to the bristle brush to soften bristles? soak in warm water
when polishing what can you do to minimize frictional heat move frequently from tooth to tooth, frequently replenish the supply of polishing agent
the grit of the agent refers to : the degree of coarseness
polishing agents are available in what grits: extra coarse, coarse, medium, fine and extra fine
what abrasive agent should you use for mildly abrasive stains such as tobacco fine pumice
when is use of a fluoride paste contraindicated before acid etching of the enamel when followed by bonding of sealants or other bonded materials.
what does the prophy angle attach to low speed handpiece ( straight )
how are the handpiece and the prophy angle held in a pen grasp with the handle resting in the U-shaped area of the hand between the thumb and the index finger
what is used to control the speed of the handpiece the rheostat
what is used to activate the rheostat the toe of the foot, the sole of the foot remains flat on the floor, similar to its position when operating a gas pedal on a car
why should you use intermittent pressure on the tooth when polishing to allow the heat that is generated to dissipate between strokes
constant pressure of the rubber cup or the brush on the tooth can do what builds up frictional heat that may cause discomfort and possible pulpal damage
when polishing where should you begin begin with the distal surface of teh most posterior tooth in the quadrant, and work forward toward the anterior
when polishing the stroke should occur from: the gingival third toward the incisal third of the tooth
if you are using two polishing agents with different degrees of coarseness you should always do what use a separate polishing cup for each one. Use the most abrasive agent first, then, finish with the finest.
for access to the mandibular arch, position the patient's head _____ when the mouth is open, the lower jaw is _____ chin down, parallel to the floor
for access to the maxillary arch, position the patient's head with the chin up
for maximum support and safety, keep the fulcrum___ as close to the area you are polishing as possible, preferably on the same dental arch
what does patrick and sponge bob say when in doubt pinky out!
when polishing the lingual surfaces of maxillary anterior teeth what do you use to see this surface a mirror using indirect vision
when polishing the most distal surface of the maxillary right or left quadrants what should you do to create more room to fit the prophy angle ask your patient to close up a bit and move the lower jaw towards the side you are wanting to polish
Created by: cynthia.fryer on 2011-10-24



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