Notes in DM712 - final

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Status	Last Update	Fields
Published	05/10/2024	Biocompatibility definition
Published	05/10/2024	What does biocompatibility depend on? (2)
Published	05/10/2024	When does biological response change? (3)
Published	05/10/2024	What is the appropriate biological response of the following:1) implant2) resin
Published	05/10/2024	How do you measure biocompatibility? (3)
Published	05/10/2024	Describe in vitro (7)
Published	05/10/2024	Describe in vivo (8)
Published	05/10/2024	Describe usage tests (human use) (4)
Published	05/10/2024	What does an in vitro test require?- what are the outcomes (4)
Published	05/10/2024	Why do animal tests (in vivo) not place the material in the animal w/ regard to its final use? (subcutaneous implantation)
Published	05/10/2024	What are the different animal tests? (3)
Published	05/10/2024	What is the gold standard for biocompatibility? why?
Published	05/10/2024	What are the subjects of usage tests?1) what will these tests answer?2) what does it require?
Published	05/10/2024	Correlation among in vitro, in vivo, & usage tests
Published	05/10/2024	Why are there discrepancies btw usage & implantation tests?
Published	05/10/2024	What occurs after implantation of materials? (5)
Published	05/10/2024	What are the present & future directions for biocompatibility studies?
Published	05/10/2024	What are the different outcomes that can occur after implanting a material? (7)
Published	05/10/2024	What are the different biomaterial-host interactions via released products? (3)
Published	05/10/2024	Titanium:1) what forms after implantation?2) what does this^ do?
Published	05/10/2024	Describe titanium-based alloys (3)
Published	05/10/2024	Describe osseointegration
Published	05/10/2024	Amalgam1) what is its cytotoxicity related to?2) what is that^ made up of?3) what occurs at the margins?4) how common are allergic reactions? 5) what …
Published	05/10/2024	In a usage study in primates, where was mercury from amalgam fillings deposited? (7)- what was the effect of mercury deposition?
Published	05/10/2024	Casting alloys:1) what may the cytotoxic response be associated with?2) what is found in casting alloys that may generate a cytoxic response?3) what m…
Published	05/10/2024	Casting alloys allergies:1) what % of overall patients have a nickel allergy?2) what % of females have a nickel allergy?3) what % of overall patients …
Published	05/10/2024	What causes polymeric materials to have micro leakage? (2)
Published	05/10/2024	What causes pulpal irritation? (3)
Published	05/10/2024	What dentin bonding agents are cytotoxic to cell in vitro if tested alone? (3)- how is the cytotoxicity reduced?
Published	05/10/2024	How many mm into the dentin can unbound constituents penetrate?- what does this cause?
Published	05/10/2024	What polymeric materials causes adverse reactions? (3)1) what does cytotoxicity results from?2) who is at higher risk for hypersensitization? why?3) w…
Published	05/10/2024	What does acid etch do?- what does the effect of the acids vary according to? (3)
Published	05/10/2024	Why does most acid never reach the pulp?- what is not as well buffered as phosphoric acid? (2)
Published	05/10/2024	What does acid etching release?
Published	05/10/2024	What was the past focus of restorative materials on pulp? (2)
Published	05/10/2024	What is the present focus of restorative materials on pulp?- what is the potential design of dental materials?
Published	05/10/2024	What does subtoxic exposure to certain dental materials cause? (etchants, calcium-based cements, some bonding resin, liners, & bases?)
Published	05/10/2024	What are dentin matrix molecules?- what are they capable of?
Published	05/10/2024	Cements - glass ionomers:1) what can they be used as? (4)2) what do light-cured GICs use?3) why is there an overall pulpal biocompatibility?4) what ar…
Published	05/10/2024	Non-resin cements - ZOE cements:1) what is seen in high concentrations?2) what is seen in lower concentrations?3) what are the results of usages tests…
Published	05/10/2024	Calcium hydroxide-based cements:1) what is the pH of pastes?2) how does it perform in vitro?
Published	05/10/2024	What are the following in vivo responses to calcium hydroxide:1) first days2) 5-8 weeks3) months
Published	05/10/2024	Why are resin-containing calcium hydroxide most effective liners? (2)
Published	05/10/2024	MTA - calcium silicate cement1) what does MTA release?2) what is the main soluble component of MTA?3) what does it cause?4) how is this different than…
Published	05/10/2024	How did the following materials form when used an indirect pulp cap w/ reversible pulpitis:1) biodentine (calcium silicate cement)2) dycal (calcium hy…
Published	05/10/2024	What is reaction that can occur btw oral soft tissues & cement-based materials?
Published	05/10/2024	What areas should you pay most attention bc washing effects of saliva are minimal? (3)
Published	05/10/2024	What is a confounding factor that adds to the reactions of oral soft tissues to cement-based materials?
Published	05/10/2024	Bleaching agents:1) what do gels contain?2) what can they penetrate?3) what will this^ cause?
Published	05/10/2024	Have the long-term, low-dose effects of peroxides on gingival & periodontal tissue been completely elucidated?
Published	05/10/2024	What does biocompatibility depend on? (3)
Published	05/10/2024	What do diverse biological responses of materials depend on? (2)
Published	05/10/2024	How do surface features (roughness of a metal) affect the biocompatibility?
Published	05/10/2024	All-ceramic restoration indications (5)
Published	05/10/2024	Ceramic =
Published	05/10/2024	Describe the bonding in the following groups of solids:1) metals2) molecular solids3) ceramics
Published	05/10/2024	Glass vs crystalline structure
Published	05/10/2024	Is brittle material always brittle?
Published	05/10/2024	Define glass
Published	05/10/2024	Define ceramic- what is it formed btw? examples (2)
Published	05/10/2024	Define glass-ceramic- what does it consist of?
Published	05/10/2024	Characteristics of glasses & ceramics (4)
Published	05/10/2024	What is crystal?
Published	05/10/2024	Optical characteristics:if you increase the #s of crystal in grain structure =
Published	05/10/2024	Metal1) structure?2) bonds?3) electrons?4) transparent?5) electrical conductivity?6) heat conductivity?7) tensile strength / comp?8) hardness?9) ducti…
Published	05/10/2024	Ceramic1) structure?2) bonds?3) electrons?4) transparent?5) electrical conductivity?6) heat conductivity?7) tensile strength / comp?8) hardness?9) duc…
Published	05/10/2024	Characteristics of glasses & ceramics (4)
Published	05/10/2024	Pros (4) & cons (2) of ceramics
Published	05/10/2024	Networks formers & modifiers in glass:1) what are the network formers in glass?2) what are the modifier ions in glass?3) what are the effects of modif…
Published	05/10/2024	Adding network modifiers in glass will make it weaker or stronger? increase or decrease melting point?
Published	05/10/2024	Crystalline ceramics (as compared to glass or glass-ceramics) show: (3)
Published	05/10/2024	What is a dental ceramic made of?
Published	05/10/2024	What are the 3 types of clay bodies? (3)
Published	05/10/2024	3 essential constituents of clay- how do clay bodies differentiate from each other?
Published	05/10/2024	Feldspar1) where is it found?2) what is it?3) at what temp does it melt?4) what do clays high in feldspar melt into? how do they flow at high T?5) wha…
Published	05/10/2024	Quartz1) what is it?2) does it melt w/in porcelain?3) what structure is it a part of in ceramics? what does it help?4) at what temp does it melt?5) wh…
Published	05/10/2024	Kalonite (often called clay)1) describe its structure2) what does it melt at?3) what does it provide for dental ceramics?
Published	05/10/2024	Ceramic properties (2)- what can this lead to?
Published	05/10/2024	Define fracture toughness
Published	05/10/2024	Why do cracks propagate catastrophically in brittle materials? (2)
Published	05/10/2024	When does a crack propagate catastrophically in brittle materials?- higher fracture toughness means?
Published	05/10/2024	Intrinsic flaws in ceramics (2)
Published	05/10/2024	Extrinsic flaws in ceramics (3)
Published	05/10/2024	Where is the critical flaw usually located?
Published	05/10/2024	Describe dentin vs PFM alloys elastic modulus for porcelain
Published	05/10/2024	Factors associated w/ crack propagation (4)
Published	05/10/2024	Porcelain is a family of __ materials
Published	05/10/2024	Porcelain indications (4)
Published	05/10/2024	Porcelain - ___ ceramic1) up to __% crystalline2) advantages (5)
Published	05/10/2024	Porcelain disadvantages (5)
Published	05/10/2024	Which is more conservative all-ceramic or PFM?
Published	05/10/2024	Porcelain composition & describe function of each (6)
Published	05/10/2024	Preparation of porcelain steps (4)
Published	05/10/2024	Describe condensation step of prepping porcelain (3)
Published	05/10/2024	Describe firing step of prepping porcelain (4)
Published	05/10/2024	Describe sintering
Published	05/10/2024	Describe glazing step of prepping porcelain (3)
Published	05/10/2024	What is the clinical relevancy of glazing? (2)
Published	05/10/2024	Describe cooling step of prepping porcelain (2)
Published	05/10/2024	3 classes of dental porcelain & firing temp of each
Published	05/10/2024	High fusing porcelain (1300)1) properties (6)2) uses (2)
Published	05/10/2024	Medium fusing porcelain (1100-1300)1) properties2) uses
Published	05/10/2024	Low fusing procelain (1) properties (4)2) uses
Published	05/10/2024	Are there higher or lower amounts of glass modifiers in low fusing porcelain?
Published	05/10/2024	2 types of esthetic glass ceramics
Published	05/10/2024	Increased leucite = __ mechanical properties of material
Published	05/10/2024	Predominantly glassy ceramics1) composition (4)2) properties3) uses (4)
Published	05/10/2024	Moderately filled glassy ceramics1) composition (4)2) properties3) uses (4)
Published	05/10/2024	Porcelain fused to metal1) describe the layers2) why is metal layer air abraded?3) where does chemical bonding take place?
Published	05/10/2024	CTE mismatch on porcelain adherence to metal1) does metal or porcelain have greater CTE?2) why^?3) why is too much mismatch bad?
Published	05/10/2024	Highly filled glassy ceramics1) composition (4)2) properties3) uses (4)
Published	05/10/2024	Leucite vs glass1) refractive index?2) which etches faster?3) which has greater thermal expansion?(aka what is the effect of leucite crystals in porce…
Published	05/10/2024	Other high strength glassy ceramic that requires porcelain veneer for esthetics1) use?2) why add alumina?
Published	05/10/2024	Other high strength glassy ceramic that does not require porcelain veneer for esthetics1) uses? (2)2) why add lithium disilicate (e.max)?
Published	05/10/2024	How can e.max be formed? (2)- describe each
Published	05/10/2024	High strength ceramics - monolithic or w/ porcelain veneer
Published	05/10/2024	Polycrystalline ceramics (2)- describe uses
Published	05/10/2024	Zirconia (transformation toughening)1) what does the structure transform from when it is surrounding a crack?2) what does that^ result in?3) what does…
Published	05/10/2024	What will adding cubic zirconia to tetragonal zirconia crystals do?- what stabilizes cubic zirconia?
Published	05/10/2024	Clinical results Zr vs PFM in posterior FPD
Published	05/10/2024	Resin cements (composites) (3)- describe
Published	05/10/2024	Cements for dental ceramics:1) feldspathic porcelain2) high-leucite porcelain3) lithium disilicate (e.max)4) Yt stabilized zirconia
Published	05/10/2024	How does a silane work?
Published	05/10/2024	Indication for all-ceramic restorations1) feldspathic & leucite glasses (3)2) li disilicate ceramics (2)3) zirconia (3)
Published	05/10/2024	Repairs of all-ceramic restorations1) feldspathic & leucite glasses2) li displicate ceramics3) zirconia (2)
Published	05/10/2024	Describe a dental cement
Published	05/10/2024	Define luting agent
Published	05/10/2024	Describe cementation in provisionals(interim = temporary = provisional)
Published	05/10/2024	Requisites of provisional cementation (3)
Published	05/10/2024	Desirable properties of luting agent (14)
Published	05/10/2024	Microstructure of cement is very similar to:1) what does it consist of? (2)2) what happens when those^ 2 are mixed?
Published	05/10/2024	What happens when you mix cement with spatula?
Published	05/10/2024	Working vs setting time
Published	05/10/2024	Different cement components (4 + 2)
Published	05/10/2024	Different dental cements (5)
Published	05/10/2024	Zinc phosphate cement1) how long has it been around for?2) powder?3) liquid?4) set cement?
Published	05/10/2024	Zinc phosphate cement - mixing technique1) what do you use? why?2) how does P:L ratio affect cement strength?3) is it stiff?4) chemical bond?5) pH?
Published	05/10/2024	Zinc oxide eugenol cement (ZOE)1) what is mostly used as?2) powder?3) liquid?4) set cement?
Published	05/10/2024	What does IRM contain?
Published	05/10/2024	ZOE as provisional cement - advantages (4)
Published	05/10/2024	ZOE as provisional cement - disadvantages (3)
Published	05/10/2024	Eugenol-free ZOE as provisional cement - advantages (5)
Published	05/10/2024	Eugenol-free ZOE as provisional cement - disadvantages (2)
Published	05/10/2024	Polycarboxylate cement1) when was it introduced?2) powder?3) liquid?4) reaction?5) how does it flow under pressure?6) compressive strength compared to…
Published	05/10/2024	Glass ionomer cement1) when was it introduced?2) powder?3) liquid?4) reaction?5) how does it adhere to tooth?6) compressive strength compared to zinc …
Published	05/10/2024	Acid-base reaction & chelation1) what happens in the presence of water?2) what will acid start to do?3) what happens when COO- reacts w/ Ca++ in parti…
Published	05/10/2024	Resin-modified glass ionomer cement (RMGIC)1) what is it a hybrid of?2) powder?3) liquid?4) __ reaction + __ polymerization5) how is it polymerized?
Published	05/10/2024	RMGIC advantages (3)
Published	05/10/2024	RMGIC disadvantage
Published	05/10/2024	Resin cements1) what are they similar in composition to?2) what are they filled with?3) compressive strength?4) solubility?5) fluoride release?6) adhe…
Published	05/10/2024	Resin cements - indications (4)
Published	05/10/2024	Selection guide - based on thickness/translucency (2)
Published	05/10/2024	Metal crowns/bridges - cement application (4)
Published	05/10/2024	Indirect resin crowns/bridges - cement application (3)
Published	05/10/2024	All-ceramic crowns/bridges (glass ceramics) - cement application (4)
Published	05/10/2024	All-ceramic crown/bridges (highly crystalline) - cement application (3)
Published	05/10/2024	Self-adhesive resin cements1) what do they contain?2) describe adhesion compared to adhesive/cement combo3) pros? (2)
Published	05/10/2024	Biocompatibility definition
Published	05/10/2024	How do you measure biocompatibility? (3)
Published	05/10/2024	Describe in vitro (7)
Published	05/10/2024	Describe in vivo (8)
Published	05/10/2024	Describe usage tests (human use) (4)
Published	05/10/2024	What occurs after implantation of materials? (5)
Published	05/10/2024	What are the present & future directions for biocompatibility studies?
Published	05/10/2024	What are the different outcomes that can occur after implanting a material? (7)
Published	05/10/2024	What are the different biomaterial-host interactions via released products? (3)
Published	05/10/2024	What was the past focus of restorative materials on pulp? (2)
Published	05/10/2024	What is the present focus of restorative materials on pulp?- what is the potential design of dental materials?
Published	05/10/2024	What does subtoxic exposure to certain dental materials cause? (etchants, calcium-based cements, some bonding resin, liners, & bases?)
Published	05/10/2024	What are dentin matrix molecules?- what are they capable of?
Published	05/10/2024	Calcium hydroxide-based cements:1) what is the pH of pastes?2) how does it perform in vitro?
Published	05/10/2024	What are the following in vivo responses to calcium hydroxide:1) first days2) 5-8 weeks3) months
Published	05/10/2024	Why are resin-containing calcium hydroxide most effective liners? (2)
Published	05/10/2024	How did the following materials form when used an indirect pulp cap w/ reversible pulpitis:1) biodentine (calcium silicate cement)2) dycal (calcium hy…
Published	05/10/2024	What is reaction that can occur btw oral soft tissues & cement-based materials?
Published	05/10/2024	What areas should you pay most attention bc washing effects of saliva are minimal? (3)
Published	05/10/2024	What is a confounding factor that adds to the reactions of oral soft tissues to cement-based materials?
Status	Last Update	Fields