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DNH 141 Test 3
Test 3 study guide
| Question | Answer |
|---|---|
| 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 From the 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
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