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An intrinsic stain that varies in color, from light yellow to black to green to magenta, caused by blood & pulp tissues seeping into the dentine tubules - is known as?

non-vital tooth stain

An abrasive used to remove stains from enamel. Relatively coarse & should be followed by fine polishing agent- is known as?

flour of pumice

what is the smallest salivary gland thats located on the floor of the mouth?

sublingual gland

Soft, bulky, cottage cheese like mass of food debris & bacterial growth that collects in grooves & spaces on the teeth, gingival & appliances- is known as?

materia alba

The space between the tooth & the free gingival ( in healthy mouths, this is 1-3mm deep) - is known as?


The triangle space in the gingival direction that is made when 2 adjoining teeth are contacting- is known as


Small, raised projection covering the dorsel side of the tongue- is known as?


Very fine polishing agent used on enamel & metallic restorations- is known as?

tin oxide

mild abrasive used in some prophylactic pastes- is known as?

chalk (aka whitening)

What is a microbe found in the water line?


which gland empties saliva into the mouth through the stensons duct?

parotid gland

walnut shaped gland, located inside of the manibular posterior area?

submandibular gland

gland that empties in the mouth through whartons duct

sublingual gland

what does ANTIMICROBIAL mean?

Growth Inhibitor

What is demineralization?

where minerals, calcium & phosphates are lost from the enamel

what saliva duct is located on the mandibular anterior teeth- lingual surface?

whartons duct

which stain cannot be removed from polishing?

metallic stain

used for cleaning & polishing tooth surfaces, this material is highly effective & does not abrade tooth enamel

fine pumice

what removes plaque & gives luster to the tooth surface?

polishing agents

Federal Standard made effective in 1992, that requires health care workers to follow protocol to reduce the spread of HIV & hepatitis B

bloodbourne pathogen standard

Associated with poor oral hygiene & is dull yellow to brown in color. This stain is also associated with plaque, found on buccal of maxillary molars & lingual of mandibular incisors

yellow & brown stain

This stain is the result of coal tar combustion in cigarettes & pigments from chewing tobacco penetrating pits & fissures on the enamel & dentin surfaces. Light brown to black in color.

tobacco stain

The optimal level of flouride that prevents caries with out mottling the teeth- is?


which abrasive is used to polish gold restoration, exposed dentin, tooth colored restoration & enamel?

zirconium silicate

What is the most used & recommended brushing method?

modified bass method

most serious type of latex allergy that can result in death?

Type 1

The loss of some enamel due to acid attack is?


an environment free of pathegons is known as?


What is direct supervision?

When the DR. needs to be on-site while the D.A. performs duties ordered by the DR.

What is general supervision?

When the D.A. is able to perform duties ordered by the DR. while the DR. is off-site

What stain varies in color from light to dark green or a yellowing green & is found most frequently in children. It is found on the facial surface of the maxillary anterior teeth at the cervical 3rd & contains chromogenic bacteria & fungi?

green stain

Which stain forms a thin black to dark brown line slightly above the gingival margin. Found primarily in women & often is when there is excellent oral hygiene?

black line stain

This paste is very popular & is when flouride is added to comercially prepared prophylaxis paste to replace the flouride lost in the enamel?

flouride prophylaxis pastes

This highly contagious disease of the resperatory system can be spread to others by airborne particles released while coughing, from saliva contact & if cross contamination occurs during dental treatment


Tiny, simple single celled plants that contain no chlorophyll


In coronal polish, the cup should 1st adapt to what part of the tooth?

the cervical 3rd

what are the causes of periodontel disease?

poor oral hygiene resulting in heavy calculus & plaque build-up that was left untreated

what are the 5 symptoms of periodontel disease?

mobility, pain/tenderness, recession, halitosis, inflammed/bleeding gums

what are 2 classifications of periodontel disease?

gingivitis & periodontis

The primary reason of using floss, is to remove debris from what 2 places?

interproximally & under gingival tissue

How long does it take plaque to form?

12-24 hours

A tapered brush would be used in which areas of the teeth?

pit & fissures

what are synthetic gloves used for?

latex allergy

what are the signs of healthy gum tissue?

light pink, stippled

what are some signs of periodontel disease?

red or shiny inflammed gum tissue, bleeding, pain, bad breath

what can a RDH do that a DA cannot do?

scale teeth

what is the purpose of disclosing solution?

to expose plaque & ensure removal

D.A. may perform a coronal polish by doing what?

passing a board approved course

what stain is most common on childrens anterior teeth?

green stain

Tuberculosis is passed to others through?


The main infection source in the operatory is from?


Most commonly found on the buccal of maxillary molars & lingual of lower anterior incisors & is caused by poor oral hygiene is?

yellow & brown stain

procedure in which only those teeth or surfaces with stains are polished?

selective polishing

High rates of calculus are associated with?


Located below the ear, this salivary gland is known as?

Parotid Gland

Irrigation device would be used where?

around orthodontic brackets

When the DR. is personally operation on the patient and authorizes the D.A. to aid treatment by performing procedure- this is known as?

personal supervision

Used when polishing teeth & they remove small portions of the enamel. They come in pastes or powders.


When metallic salts may be inhaled in industrial settings or taken orally in certain drugs, or comprise material used to restore teeth.

metallic stain

Stain resulting from high concentrations of tetracycline antibiotics taken during the time the tooth was developing.

tetracycline stain

Abrasive used for stain removal & polishing. This material may be used on gold restorations, exposed dentin or tooth colored restorations as well as enamel

zirconium silicate

Grasping an instrument as one would grasp a pen, except the pad of the middle finger is placed on the top of the instrument with the index finger

modified pen grasp

Skills & functions beyond those normally associated with dental assisting that require increased skill and responsibility

expanded functions

Occupational Safety and health Administration requires?

Employers to protect their employees

What does ADA stand for?

American Dental Association

What is another name for primary teeth?


Permanent teeth that replace deciduous teeth are known as?


A sticky mass that contains bacteria & grown in colonies on the teeth?


Process of using fine abrasives to produce a smooth, glossy surface


The grasping of an instrument in the same manner as one would hold a pen or pencil

pen grasp

Foods that break down in to simple sugars in the mouth and can be used by the bacteria to cause dental caries

Cariogenic foods

The support or point on which a level turns position of finger rest for support when working in a patients mouth


Stain occuring as a result of high concentrations of flouride recieved systematically during tooth development

dental flourosis

Occurs with prolonged use of chlorhexidine, which is found in chewing gum and mouth rinse

chlorhexidine stain

hard, calcified deposit mineralized plaque that forms on teeth, restorations & dental appliances, also known as tarter


Discolorations on the outside of the tooth structure that can be removed by scaling and polishing

Extrinsic stains

Originating from outside the tooth


originating from within the tooth


discolorations, usually permanent, inside the tooth

Intrinsic stains

Mode of disease transmission through contaminated droplets of dust particles that are suspended in the air

Airborne transmission

the period when both primary and permanent teeth are present

mixed dentition

Inflammation and deterioration of the periodontel tissues caused by protozoa with bacteria

periodontel disease

Inflammation of the gingival tissue marked by red, swollen/bleeding gums. caused by plaque buildup and calculus.


Two-fold procedure involving removal of hard deposit and polish of the teeth with a rubber cup

oral prophylaxisis

technique to remove plaque, calculus and stains from the surfaces of the teeth


Stain believed to be caused by chromogenic bacteria often related to drug therapy such as antibiotics.

Orange stain

Thin clear film of insoluble protiens, fates and other materials from saliva that forms with in minutes of removal


How long does is take pellicle to form?


A genetic abnormality in which teeth appear translucent, yellowish-brown or vary in color is known as?

Imperfect tooth develpment

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