Description : A crown casting with a chamfer margin fits the die; but in the mouth the casting is open approximately 0.3mm. A satisfactory fit and accurate physiological close of the gingival area of the crown ... the crown E. Relieving the inside of the occlusal surface of the casting to allow for further
Last Answer : D. Making a new impression and remaking the crown
Description : Should i buy one of those electric toothbrushes?
Last Answer : I love my electric toothbrush but unfortunately it is not a substitute to flossing.
Description : What does enamel cover? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin
Last Answer : (1) Crown of the tooth Explanation: The basic unit of enamel is called an enamel rod which is a tightly packed mass of hydroxyapatite crystals in an organized pattern. In cross section, it is best compared ... the crown of the tooth, and the bottom, or tail, oriented toward the root of the tooth.
Description : Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride
Last Answer : (3) Calcium phosphate Explanation: The protective layer around your teeth, called enamel, is the strongest substance that our body produces. In fact, tooth enamel is stronger than any other substance on earth except for diamonds.
Description : Which is the hardest substance in the human body? A. Tooth enamel (Answer) B. Skull C. Knee cap D. Rib
Last Answer : A. Tooth enamel (Answer)
Description : The nature of calcium phosphate present in tooth enamel is (a)Basic (b)Acidic (c ) Neutral (d) Amphoteric
Last Answer : (a)Basic
Description : Tooth enamel is made up of: a) Potassium b) Calcium carbonate c) Calcium phosphate d) Calcium oxide
Last Answer : c) Calcium phosphate
Description : The layer of cells that secrete enamel of tooth is (a) osteoblast (b) odontoblast (c) dentoblast (d) ameloblast.
Last Answer : (b) odontoblast
Description : In preparing a very small proximal amalgam cavity on a molar tooth what would consider, A. Extend the cavity to the gingival margin B. Extend the cavity beyond the contacts areas C. Achieve at least 2mm in dentine D. Extend cavity just beyond dento enamel junction
Last Answer : D. Extend cavity just beyond dento enamel junction
Description : The surface of enamel rod prisms in permanent teeth is: A. Perpendicular to the outer surface of the tooth B. Parallel to the outer surface of the tooth C. Parallel to enamel contour D. Parallel to enamel-dentine contour
Last Answer : A. Perpendicular to the outer surface of the tooth
Description : The effectiveness of the acid etch is dependent on which of the following factors: A. Material must be used to clean the surface of the tooth prior to etching B. The effectiveness of the itchant C. The chemical and physical nature of the tooth D. The area and surface of the enamel to be itched
Last Answer : C. The chemical and physical nature of the tooth
Description : Odontogenic cysts develop from the following structures except: A. Reduced enamel epithelium of tooth crown B. Dental lamina dura C. Epithelium trapped after sutures D. ertwig’s root sheath
Last Answer : C. Epithelium trapped after sutures
Description : When you try to seat a crown on a tooth you find a discrepancy of 0.3mm at the margin; you will: A. Reduce inner surface of crown B. Remake a new crown C. Smooth the enamel at the margin D. Hand burnish crown margins
Last Answer : B. Remake a new crown
Description : Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above
Last Answer : E. All of the above
Description : The minimal labial tooth reduction for satisfactory aesthetics with porcelain fused to metal crown is, A. 1mm B. The full thickness of enamel C. 1.5 mm D. 2.5mm E. One third of the dentine thickness
Last Answer : C. 1.5 mm
Description : When the enamel of the tooth is exposed to preparation containing high concentrations of fluoride the major reaction is: M07 A. Sodium fluoride B. Calcium fluoride C. Stannous fluoride D. Fluoroapatite
Last Answer : D. Fluoroapatite
Description : Of all the factors that increase the resistance of teeth to dental caries, THE MOST EFFECTIVE is,** A. The general nutrition of a child during the period of tooth formation B. The ... eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation
Last Answer : B. The intake of fluoride during the period of enamel mineralization and maturation
Description : Which of the following anomalies occurs during the initiation and proliferation stages of tooth development A. Amelogenesis imperfecta (developmental defect) B. Dentinogenesis imperfecta (developmental defect) C. Enamel hypoplasia (AI type) D. Oligodontia E. Ankylosis
Last Answer : D. Oligodontia
Description : Nutrition to the tooth is supplied through (a) Alveolus (b) Pulp cavity (c) Enamel (d) Ail
Last Answer : (b) Pulp cavity
Description : Main part of tooth is (a) Enamel (b) Dentine (c) Pulp (d) None
Last Answer : (b) Dentine
Description : Hardest part of tooth is (a) Dentine (b) Enamel (c) Pulp (d) None
Last Answer : (b) Enamel
Description : What does enamel cover ? (1) Crown of the tooth (2) Dentin on all sides (3) Cementum (4) Cementum and partly dentin
Last Answer : Crown of the tooth
Description : Why are there no black toothbrushes?
Last Answer : Same reason there is no black toothpaste or black soap. When it comes to personal hygiene, black looks dirty. People won’t buy it.
Description : How come you never see black toothbrushes?
Last Answer : Since most toothpastes are chalky looking a black toothbrush would look dirty unless vigorously cleaned. I assume it is this aesthetic that prevents them from selling well enough to produce.
Description : Do all those pseudobristles on the expensive toothbrushes actually do anything?
Last Answer : I have an electric toothbrush (don’t know if that’s what you’re talking about) and it brushes better than a regular toothbrush.
Description : How expensive are Soniccare Toothbrushes?
Last Answer : Sonicare toothbrushes are rather expensive. They can be over a $100. Sometime though, they will have coupons in the Sunday Newspaper for them though?
Description : What’s the best way to remove rust from white enamel?
Last Answer : Is it enameled cookware? If so how did it get rusty? Baking soda and vinegar neutralize so that really does not work. Vinegar and water 50% for no longer than 15–30 min followed by a scrub and repeat until it’s gone. If you let vinegar sit too long it can actually damage your enamel.
Description : The main purpose of finishing the enamel walls is, A. Remove loose enamel rods B. Provide a better surface for the adoption of restorative material
Last Answer : A. Remove loose enamel rods
Description : The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent ... and II B. I and III C. II and IV D. III and IV E. IV only
Last Answer : C. II and IV
Description : For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine
Last Answer : A. Avoid buccal pulp horn
Description : Norwegian Killer part deux: His father was interviewed and said that his son should have killed himself instead. I can't imagine saying or even thinking this, can you?
Last Answer : If there ever was a situation then it would be after they went on a murderous rampage like his son did.
Description : Why would my retired father receive a letter in the mail saying he was dead?
Last Answer : It could have been a mix up with who ever sent it. Perhaps they got the name wrong or something like that. Either way, if it's a company your parents deal with on a regular basis, they should call ... them in case the company is trying to close your dad's account (or whatever he has with them).
Description : Why is Aristotle-father of logic-quoted as saying, 'Democracy is rule of the indigent?'?
Last Answer : My brother thinks he’s a chicken – we don’t talk him out of it because we need the eggs. —Groucho Marx
Description : What was Eddie saying to his dying father when he showed him his grease stained finger tips?
Last Answer : Need answer
Description : A patient comes to you with medium pain of tooth filled with Composite resin as a result of cold or hot drinks, what will your initial management be, A. Remove the restorative material and ... material and place a sedative temporary material C. Place a coat of bonding material on the old composite
Last Answer : B. Remove the restorative material and place a sedative temporary material
Description : Do enamel toothpastes actually help build back enamel?
Last Answer : “If your enamel is destroyed, your body does not make more to replace it. Unlike other parts of your body – like your bones, for instance – enamel does not contain any living cells, so it cannot regenerate.” Souce
Description : Which is the best Synthetic Enamel Paint & Coating Manufacturing Company in Ahmedabad?
Last Answer : Angel Coating is offering high quality & affordable Synthetic Enamel Paints . Synthetic Enamel Paints is a long-lasting, Glossy, solvent-based paint for interior surface only. It can be applied ... cabinets, and on mild steel surfaces like grills, steel furniture, collapsible gates, shutters, etc.
Description : What is Final Enamel ?
Last Answer : Phenamel Enamel: Made with natural resins and a solvent , but does not contain any drawing oil. They can withstand processing and chemical reactions. Their flavor is mild and weak in nature. Urea ... of the can. Polybutadines and di phenolic acid based resins are currently used for canned use.
Description : What kind of enamel material ?
Last Answer : Enamel is a kind of hard material.
Description : What is enamel ?
Last Answer : The enamel on the surface of the dentin in the crown part of the tooth contains solid material.
Description : Will the enamel be damaged by brushing your teeth thoroughly? I have a normal toothbrush and toothpaste, but I clean them a little more intensely.
Last Answer : Brush when cleaning for a few minutes. # (# shake)
Description : The dentist told me to press hard when brushing my teeth. But at home, they're yelling at me to make an enamel, so what do I do?
Last Answer : She shouldn't sit with a regular brush and during routine cleaning.
Description : Enamel of teeth is secreted by `:-`
Last Answer : Enamel of teeth is secreted by `:-` A. Ameloblast B. Odontoblast C. Osteoblast D. Osteoclast
Description : Presence of water amount in enamel is -
Last Answer : Presence of water amount in enamel is - A. `90-92%` B. `75-80%` C. `40-50%` D. `~~3%`
Description : Why don't we feel the decay of the enamel in our teeth?
Last Answer : There are no nerves and it's not a living thing so we can't feelit happening right away but we will feel it after its done decayingand done making its hole in the tooth.
Description : What are enamel pots made of?
Last Answer : Most enamel pots are steel with an enameled finish. Target, for one place, carries a number of styles of pots in different colored enamel finishes.
Description : Is cast iron enamel cookware dishwasher safe?
Last Answer : Yes, cast iron enamel cookware is dishwasher safe! Cast Iron is extremely tough andd very durable!
Description : Why is it so easy to break the enamel on enamel-covered pots?
Last Answer : Enamel pots are a great way to cook. You don't have to worry about the metal leaching out into your food like you do with metal pans. But they don't last very long because the enamel is very soft, that is why it breaks off so easy. To make it last longer use wood utensils instead of metal ones.
Description : Will eating frozen Snickers harm teeth enamel?
Last Answer : No, snicker bars are soft enough (even when frozen) to not hard your teeth. But keep brushing them :)
Description : Is there any dangerous toxins in enamel paint?
Last Answer : I would recommend that you use a waterbased paint instead. Enamael paints do have toxins and are not healthy for a home with children as you can view for yourself at http://www.ehow.com/about_5723435_toxic ... enough for a baby, so you know they are safe enough for adults and older children as well.