ANSWERS SURE A+
✔✔what is the technique to attach tubes to molar bands - ✔✔stop welding
✔✔what is ligature wire us for - ✔✔used to tie the arch into orthodontic brackets
✔✔what is a space maintainer used for - ✔✔to maintain space of a second primary
molar
✔✔what is periodontitis - ✔✔degenerative, inflammatory condition of the peridontium
✔✔how is topical anesthetic applied - ✔✔cotton tipped applicator or cotton roll
✔✔what is the function of a fixed bridge - ✔✔prevent movement of teeth
✔✔what should the assistants eye level be when seated - ✔✔four to six inches above
the dentist
✔✔what is topical anesthetic effective on - ✔✔mucosal tissue
✔✔what is the mounting device used to hold abrasive discs in the handpiece -
✔✔mandrel
✔✔after an extraction of a tooth what is the patient instructed to do - ✔✔stay closed on
the gauze for 30-40 minutes
✔✔why does a denatl assistant apply gentle pressure on a patients arm during local
anesthtic - ✔✔to restrict sudden movement
✔✔what must be included for a pit and fissure sealant procedure - ✔✔sealant solution
and light cure source
✔✔what is the purpose of the periodontium - ✔✔to support the teeth
✔✔how do you achieve proper adaption of matrix band material - ✔✔burnish
✔✔after topical application of fluoride a patient is told not to eat or drink for how long -
✔✔30 minutes
✔✔what is the primary use of the high velocity evacuator - ✔✔to prevent swallowing
✔✔how is periodontal pockets eliminated - ✔✔gingivectomy
, ✔✔what is another term for bitewings - ✔✔interproximals
✔✔why is holding the x-ray tube when exposing film not safe - ✔✔the tube does not
confine radiation
✔✔how can the maxillary arch be identified - ✔✔by the sinuses pockets
✔✔when is a radiograph underexposed - ✔✔when it has light faint images
✔✔why must lead diaphragms be small in the x-ray units - ✔✔because x-radiation is
decreased
✔✔to influence the exposure time of a dental x-ray what must the operator do -
✔✔measure the distance of the cone from the target
✔✔what material covers a radiograph film - ✔✔silver bromide salts
✔✔what does milliamperage control - ✔✔speed of electrons going from the cathode to
the anode
✔✔how does a film become elongated - ✔✔insufficient vertical angulation
✔✔where should the thermometer be placed to determine temperature of processing
solutions - ✔✔developer
✔✔the most penetrating x-rays have what - ✔✔short waveleghts
✔✔what color with the film be if it is not fixed long enough - ✔✔brownish
✔✔what does the use of fast film prevent - ✔✔blurring
✔✔how far should the operator stand from harmful x-rays - ✔✔6 feet
✔✔panoramic radiographs do not chart what? - ✔✔caries
✔✔what does the raised button on the radiograph help do - ✔✔mount the film
✔✔what is a thin image on a radiograph caused by - ✔✔cold developing solution
✔✔what does poor rinsing of xray film cause - ✔✔spots to form on film
✔✔when can radiographs be exposed to light - ✔✔after it has been fixed