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
Soft, bulky, cottage cheese like mass of food debris & bacterial growth that collects in grooves & spaces on the teeth, gingival & appliances- is known as?
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
used for cleaning & polishing tooth surfaces, this material is highly effective & does not abrade tooth enamel
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.
which abrasive is used to polish gold restoration, exposed dentin, tooth colored restoration & enamel?
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?
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
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
The primary reason of using floss, is to remove debris from what 2 places?
interproximally & under gingival tissue
what are some signs of periodontel disease?
red or shiny inflammed gum tissue, bleeding, pain, bad breath
Most commonly found on the buccal of maxillary molars & lingual of lower anterior incisors & is caused by poor oral hygiene is?
yellow & brown stain
When the DR. is personally operation on the patient and authorizes the D.A. to aid treatment by performing procedure- this is known as?
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.
Stain resulting from high concentrations of tetracycline antibiotics taken during the time the tooth was developing.
Abrasive used for stain removal & polishing. This material may be used on gold restorations, exposed dentin or tooth colored restorations as well as enamel
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
Foods that break down in to simple sugars in the mouth and can be used by the bacteria to cause dental caries
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
Occurs with prolonged use of chlorhexidine, which is found in chewing gum and mouth rinse
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
Mode of disease transmission through contaminated droplets of dust particles that are suspended in the air
Inflammation and deterioration of the periodontel tissues caused by protozoa with bacteria
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
Stain believed to be caused by chromogenic bacteria often related to drug therapy such as antibiotics.
Thin clear film of insoluble protiens, fates and other materials from saliva that forms with in minutes of removal