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DNH 141 Test 3

Test 3 study guide

QuestionAnswer
Probe walking stroke bobbing made with in the sulcus , keeping the probe tip against the tooth
Stroke Pressure 10-20 gms
parellelism probe must be parallel in the mesiodistal and the faciolingual
What type of motor skill is instrumentation fine
Stages of Psychomotor Development Observing Imitating Practicing Adapting
What is observing mental attention to steps of psychomotor skills
When is observing learned preclinical instrumentation sessions
What is imitating copying of psychomotor skill
What is adapting fine tuning psychomotor skills, minor adjustments are made
muscle memory practice movments become smoother, myelination occurs
what is myelination forming myelin sheath around nerve to allow it to move quicker
What is motion activation muscle action used to move the working-end of an instrument across a tooth surface.
what are two types of motion activation wrist rocking motion digital activation
wrist rocking motion is a similar action to what? turning a door knob
what is digital motion activation moving instrument by flexing the thumb, index and middle fingers. physical strength not required
what is the purpose of rolling the instrument handle helps clinition maintain precise contact of the working end to tooth surface
The mandibular anterior roots tilt? inward
the mandibular premolars tilt? more vertical
the mandibular molars tilt more outward
The maxillary roots incline? inward
What does the intraoral fulcrum act as support beam
what is the sequence to follow while practicing fulcrums me my patient my equipment my non dominant hand my dominant hand finger rest
Handle position in maxillary posterior sextant palm up handle rests along c curve between first knuckle of index finger and v of thumb
handle characteristics weight handle diameter taper texture
what happens with more pinch force? muscle cramping
larger handle and light weight handle require more/less pinch force less
repetative forceful pinching of an instrument can be a risk factor for what type of ailment carpal tunnel syndrome
A periodontal instrument is balanced if...? the working ends are aligned with the long axis of the handle.
simple shank instruments appear to be? straight
complex shank instruments have what type of bends side to side
What teeth are simple shanks used for? anterior teeth
What teeth are complex shanks used for? posterior teeth
A ridged shank is used to remove heavy deposits
a flexible shank is used to remove small to medium deposits
pros of flexible shanks tactile information
regions of the shank functional lower
What is the portion of the shank that allows the working end to be adapted to the tooth surface? functional shank
what is the portion of the functional shank that is nearest to the working end lower shank
the lower shank is also referred to as the terminal shank
simple shank with short functional shank are used for... supragingival use on anterior teeth
simple shank with long functional shank length is used for... subgingival use on anterior teeth
complex shank with short function shank length is used for... supragingival on posterior teeth
complex shank with long functional shank length is used for.. subgingival use on posterior teeth
What is the use of an extended lower shank? can reach the middle and apical third of root surface
Double ended instruments may have unpaired working ends paired working ends
what type of double ended instrument has dissimilar working ends unpaired working ends
what type of double eneded instrument has mirror image working ends paired working ends
The design name of an instrument comes from the school or person who designed it
The design number identifies what? the working ends
what are the parts of the working end of an instrument face back lateral surfaces cutting edges toe or tip
how many cutting edges do most working ends have? 2
What is the significance of the cross section of an instrument determines whether the instrment can be used sub or supra gingival
Triangular cross section can be used supraginginval
semi circular cross section can be used sub or supra ginginval
What type of cross section does a curet have semi-circle
what type of cross section does a sickle scaler have triangular
what instrument is used to locate calculus and has circular cross section explorer
what instrument is used sub-g to remove calculus deposits sickle scaler
what instrument has a rounded toe and rounded back, removes calculus curet
what instrument has several cutting edges and can crush large calc deposits periodontal file
probe numbers in healthy sulcus 1-3 mm
information recorded when probing missing teeth recession pocket depth bleeding
where is the gingival sulcus located v shaped space between free gingiva and tooth surface
what is the junctional epithelium tissue that forms base of sulcus
what is a periodontal pocket gingival sulcus that has been deepened by disease +3mm
gingival pocket is deepening of sulcus caused by swelling of tissue
periodontal pocket is destructino of periodontal fibers and bone
how many mm is the probe tip 1-2
technique for probing anterior teeth insert at distofacial line angle walk probe to distal surface tilt probe at distal contact area reinsert walk across facial surface
what are the three imaginary sections of the working end of the instrument leading middle heal
The leading third of a curets working end is called toe third
The leading third of a sickle scaler is called tip third
What section of the working end is never adapted to the tooth surface? heal third
The working end of the lower shank should be _____ to the distal surface parallel
what is the order of naming teeth dentition arch quadrant tooth name
Chain of disease infection the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host.
types of cross contamination person to person person to object object to person
airborne infections caused by dust born organisms aerosol production spatter
Prevention of Transmission Controlled Pre-procedural Oral Hygiene Measures Interruption of Transmission Clean Water Protection of the Clinician Protection of the Patient Maintain Infection Control Protocols
Pathogens Transmissible FromĀ theĀ Oral Cavity Tuberculosis Viral hepatitis Herpetic infections AIDS
Transmission of tuberculosis droplet nuclei breathed directly into lung
Blood borne route of transmission versions of hepatitis B c d
HBV
what is adaptation placing the first 1 or 2 mm of thw orking ends lateral surface in contact with the tooth
The leading third on a curet is called toe third
the leading third on a sickle scaler is called tip third
clock position for max posterioer teeth, aspect away 10-11; chin UP
clock position for max posterior teeth , aspects toward 9 chin UP
prodrome early or premonitory symptom
virulence degree of pathogenicity or disease envoking power
virion complete virus particle
vector carrier that transfers infection to one host to another
vertical transmission one gen to another
serum marker finding by lab analysis that ids disease state (titer)
seroconversion blood changes from neg, to postitive for the serum marker
serologic diagnosis id of disease by serum markers
prion abnormal infectious protein particle lacking nucleic acid (creutzgeldt-jacob disease)
planktonic micro organisms floating in liquid
incubation period tim between initial contact and first sign/symptom
heterotrophic organic material for nourishment
herpes barbae herpes spread over bearded part of face bc of shaving
herpes gladiatorum skin contact among wrestlers /athletes
fomite inanimate object that can spread disease
endemic infection agent within a geographic area
epidemic widespread illness in community or region
western blot more specific than EIA
antigen substance inducing a specific immune response
types of airborne infection dust borne aerosol spatter
pathogenes transmissable from oral cavity TB, Herpes, HIV/AIDS
incubation for HIV 1-8 year
communicable period for HIV asyptomatic through life
Incubation period for HBV 60-150 days
which heptiatis does not have a vaccine HCV, HEV
what hepatitis is transmitted though contaminated water HEV
Tuberculosis is transmitted by inhaliation
HBV is transmitted by blood/body fluids
HCV is transmitted by same as HBV
HDV is transmitted by only if you have HBV
Herpes travels through ganglions
95% of adults are infected with what type of herpes virus HSV-1
hhv-2 aka geneital herpes
hhv-3 aka chicken pox
hhv-4 aka mono, oral hairy leukoplakia
hhv-5 associated with HIV/AIDS
hhv-6 aka lympho
HAART active antiretrovial therapy
HIV antibody can be detected in blood how many weeks after infection 6-8
KS kaposis sarcoma
CD4 t helper lymphocyte , target for HIV
LAV former name for HIV
PCP pneumonia that occurs in people with HIV
PGL persistant generalized lymphadenophathy
oral manifestation of HIV infection markers of disease progression
antimicrobial agent kills or supresses the growth of microorganisms
antiseptic prevents or suppresses growth or action
asespsis free of contamination
microorganism used for biological monitor for steam and chemical geobaccillus stearothermophilus
microorganism used for biological monitor for dry heat bacillus atrophaeus
indication for spore testing 1x week new packaging material new personel new equipment
autoclave types gravity displacement high speed prevacuum
moist heat can be used for all materials except oils, waxes, powders
principle of action for steam achieved by heat depends of penetrating ability of steam air must be excluded space is needed air dischard occurs in downward direction
advantages of steam all things destroyed
disadvantages corrosions of instruments
action of dry heat oxidation
use of dry heat for materials that can not be sterilized with steam
temp of dry heat 320- for 2 hours 340- 1 hour
advantage of dry heat suitable for sharp instruments no corrosion
disadvantage of dry heat long exposure time hight temp critical
chem vapor disadvantage FUMES!
important info to know about chemical disinfectant kill time
byrex is made of water/phenol
label of chemical agent must contain shelf life use life resuse life direction of activation use warnins
VOSHA state trumps national standards
teeth are disposed in a biobag
Created by: kbowman12