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In all ceramic crowns, a chamfer is not necessary for achieving a solid margin.
False
Using zirconia for crowns is always more cost-effective than using a noble alloy.
False
Metal opaque is used as a substructure for PFM crowns.
False
Composite bonding techniques require excessive enamel removal for optimal bonding.
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Veneers are not commonly used in dental practices.
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We always want smooth transitions between where the metal framework is, according to the text.
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When firing the material for dental crowns, we're going to get 20% expansion, according to the text.
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Diamonds and red stones work very well for recontouring dental crowns, according to the text.
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The aqua film mentioned in the context is used to adjust the color of dental crowns.
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If a patient has a short tooth and only dentin is exposed, composite bonding techniques can be used to bond materials to it, according to the text.
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The more aggressive you are with your preparations, the better bond you will achieve with dentin.
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Using margin wax first is recommended because it shrinks quickly as it cools.
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It is important to gauge the thickness of the wax to avoid excessive grinding later.
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When talking about PFC (the first porcelain fused to zirconia), dental technicians initially aimed to make it similar to PFM.
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The first porcelain fused to zirconia (PFC) yielded a bond between zirconia and porcelain that was superior to a PFM bond.
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A chamfer bevel creates a locking situation for a PFM crown.
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Metal collars are always necessary when dealing with posterior teeth.
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Porcelain crowns always require metal collars for adequate retention.
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Composite bonding techniques are commonly used for PFM crowns.
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Creating a surface area that is retentive is crucial when designing dental crowns.
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Hydrofluoric acid is used on the tooth structure during the bonding process.
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All composite bonding materials require both Part A and Part B for application.
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Using a fit checker on ceramic crowns can be challenging due to difficulties in cleaning the crowns.
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Incorrectly sequencing dental cements and primers might lead to quick setting and poor bonding results.
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Reading the instructions provided for each material is not necessary as the process remains the same for all composite bonding techniques.
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The speaker emphasizes the importance of familiarizing oneself with the steps before starting the procedure.
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The text mentions that blue color is ideal for the dental crown.
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The speaker discusses using an old pacified cement to control esthetic results in some areas.
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Zirconia crowns are typically designed with a full contour for optimal aesthetics and strength.
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The connectors in zirconium metal bridges are not a concern when considering strength.
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Phosphate bonded investment is used for high-heat applications in dental casting procedures.
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A liner or wash material is applied before porcelain on zirconia surfaces to enhance the bonding process.
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Composite bonding techniques do not require any enamel removal for optimal bonding results.
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Ceramic materials like zirconia do not require a fit checker during the crown preparation process.
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Cement spacers are used to reduce the space required for cement in dental crown applications.
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Gypsum bonded investment is preferred over phosphate bonded investment for zirconium metal casting.
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Margin finishing in dental crowns can be effectively done without magnification.
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Spruing and substructure preparation are unnecessary steps when creating wax patterns for dental crowns.
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Full gold crowns have similar esthetic results to lithium silicate pressed restorations.
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Full contour zirconia becomes weaker when porcelain is added to it.
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Lithium silicate restorations are more durable than all-ceramic crowns over time.
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Using excessive porcelain on the inclusion aspect of restorations is beneficial for esthetic results.
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Marginal adaptation is crucial for hand-fabricated restorations to ensure proper internal fit.
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In dental restorations, cement spacers are used to create space for the cement to prevent hydraulic pressure during cementation.
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The movement of teeth due to open contacts in provisional restorations can occur over a short period of time.
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Composite bonding techniques always require excessive enamel removal for optimal bonding results.
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Using a fit checker on ceramic crowns can be challenging due to difficulties in cleaning the crowns.
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Lithium silicate pressed crowns have a big advantage in controllability of the margin.
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The speaker mentions that zirconia crowns are typically designed with a full contour for optimal aesthetics and strength.
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The text discusses the importance of creating a retentive surface area when designing dental crowns.
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According to the content, using zirconia for crowns is always more cost-effective than using a noble alloy.
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The speaker recommends using margin wax first because it shrinks quickly as it cools.
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The speaker suggests using sandpaper discs for cutting abrasions on acrylic because they are more aggressive than diamonds.
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According to the speaker, it is recommended to use rubber oil for adjusting proximal contacts in dental restorations.
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The speaker emphasizes the importance of having removable dies to make it easier to adjust medial contacts in dental restorations.
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The speaker highlights the necessity of requesting dental labs to seat restorations to a first pour for optimal results.
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Using a fit checker during the crown preparation process is deemed unnecessary when working with zirconia crowns.
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The speaker recommends using die lubricant on adjacent teeth and on the die itself when creating a removal pattern.
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The optimal temperature recommended by the speaker for waxing is around 320 Fahrenheit.
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Posterior distortions like bubbles on the occlusion should be left as they are and articulated with during the casting process.
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Heel interference is not a concern according to the speaker when preparing for restoration modifications.
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The electric waxer provided in the kit operates at a recommended temperature of 200 Fahrenheit for optimal results.
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The speaker in the text mentions using aqua luster and pumice with glycerin to polish occlusal surfaces.
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In the context, it is recommended to use CBC polish over the whole crown for polishing purposes.
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Robinson brushes are used after applying aqua luster and pumice on occlusal surfaces for polishing.
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The text recommends always ensuring a rough transition between the restoration and the finish line.
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The speaker highlights the necessity of taking breaks during the restoration process for at least five minutes.
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The speaker discusses the importance of using quadrant impressions for single tooth restorations.
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It is advised to create metal collars for all types of dental crowns.
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Using an old pacified cement can lead to esthetic control in specific areas, according to the speaker.
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The text emphasizes that smooth transitions between metal framework areas are crucial for the success of dental crowns.
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Full gold crowns are stated to have superior esthetic results compared to lithium silicate pressed restorations.
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According to the content, diamonds and red stones are recommended for recontouring dental crowns.
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Dental cements and primers should always be sequenced correctly to avoid quick setting and poor bonding results, as discussed in the text.
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The aqua film mentioned in the context is primarily used to adjust the color of dental crowns.
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Margin finishing in dental crowns can be effectively done without magnification, according to the speaker.
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Zirconia crowns are typically designed with a full contour for both aesthetic appeal and strength.
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