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dental materials
specialty materials
| Question | Answer |
|---|---|
| specialty materials | ortho, endo, perio and surgical--perio packs, sutures, bone replacement materials, antibiotic devices, bone plates and screws |
| ortho materials | general dentistry (impression & gypsum materials, bonding materials & composites, acrylic resins) |
| ortho materials-wires | springs & stabilizers, attached to teeth using brackets, ligatures, tubes & bands, stainless steel or nickel-titanium, size of wire increases so does stiffness, round, square, rectangular, or braided |
| ortho materials | brackets (s. steel polymers-polycarbonate resin-, ceramic materials-aluminum oxide- Bands: encircle entire crown,attach brackets to molar teeth before etching was used, s. steel. Tubes: allows a wire to slide thru to anchor arch wire, s. steel |
| oral hygiene for ortho patient | high risk caries, decalcif common around brackets, critical for ortho patients proper diet and home care, use fluoride rinses, auxillary oral hygiene aids helpful |
| endodontic diagnosis | percussion tests, mobility, hot and cold stimuli, perio probing, elecric pulp test, rads |
| cleaning the canal | access cavity prep-drill tooth w/ hshp to gain access to canal: endo files-remove contents of canal-enlarge/shape canal, determine length of canal w/ rads while files in place |
| cleaning the canal | irrigants: disinfect canal system, flush debris, lubricate canal-sodium hypochlorite, chlorhexidine gluconate, sterile saline, injected in canal w/ syringe and needle Paper points-dry before filled |
| filling the canal (obturation) | gutta percha: used in combo w/ endo sealer, zinc oxide, gutta percha, heavy metal sulfates, waxes/resins, barium sulfate is added to give radiopacity |
| filling the canal-endodontic sealers | type of cement, coat canal space and fill any voids between canal and gutta percha |
| restoration and recall-may delay restoration until sensitivity is resolved | types of restorations; simple-amalgam or composites or complex-post and core, crown: recall if temp is placed to make it permanent |
| apioectomy and retrofills-root canals are 95% successful | if they fail-re-treat, extract, apioectomy: removes 1-3mm of root apex, seal the end of the root-retrofill |
| perio and surgical materials | perio/surgical packs: protect surgical sites and promote healing |
| sutures | absorbable-surgical gut, plain and chrome, synthetic polyglycolic acid. Nonabsorbable: surgical silk other threads must be removed. sized based on "0" smallest-called ought-range up to 80 which is "8 ought"needles-swagged attach suture to eyeless needle |
| bone replacement materials | natural (human/animal) or synthetic (calcium phosphate formulation) Membranes: prevent aprical down growth of epithelial tissue & attachment to cementum at base of pocket after surgery. Antibiotic devices, Bone Plates & Screws |
Created by:
jfgwinn
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