High copper amalgams are superior  
A. Copper is available for a secondary reaction  
B. Copper is not available for a secondary reaction
C. Copper is burnished
D. Copper is fractured
E. None of the above

1 Answer

Answer :

A. Copper is available for a secondary reaction

Related questions

Description : When the neck of the condyle is fractured; what muscle determines the movement of the superior segment: A. Lateral pterygoid B. Medial pterygoid C. Masseter D. Temporalis E. Mylohyoid

Last Answer : A. Lateral pterygoid

Description : When the neck of the condyle is fractured; what muscle determines the movement of the superior segment: A. Lateral pterygoid B. Medial pterygoid C. Temporalis D. Mylohyoid

Last Answer : A. Lateral pterygoid

Description : Why can Class IV gold not be used in cavity as a filling material: A. Can not be polished “burnished” B. The corrosive properties

Last Answer : A. Can not be polished “burnished”

Description : Child comes to your clinic with a fractured incisor 3 mm supra-gingival, how would you treat the case, A. Formocretasol pulpotomy B. Calcium hydroxide pulpotomy C. Pulpectomy D. Direct capping E. Indirect capping

Last Answer : B. Calcium hydroxide pulpotomy

Description : During extraction of a maxillary third molar the tuberosity is fractured; however, it remains in place attached to the mucoperiosteum. Which of the following procedures should be employed:** A. Remove the ... then suture. D. If fractured tuberosity is greater than 2 cm, leave in place and suture

Last Answer : B. Leave the tuberosity and stabilize if required

Description : In the inferior alveolar block the needle goes through or close to which muscles: A. Buccinator and superior constrictor B. Medial and lateral pterygoid C. Medial pterygoid and superior instructor D. Temporal and lateral pterygoid E. Temporal and medial pterygoid

Last Answer : A. Buccinator and superior constrictor

Description : Alloys in which mercury is one of the metals are called (a) Amalgams (b) Emulsions (c) Mixtures (d) Solders

Last Answer : Ans:(a)

Description : The blood supply to the denture bearing areas of the maxilla A. Superior Maxillary artery B. Grand/greater palatine artery

Last Answer : A. Superior Maxillary artery

Description : Frankfort plane extends from, A. horizontally from Sella to nasion B. Sagittal from …. C. Horizontally from point on superior aspect of external auditory meatus to orbitale

Last Answer : C. Horizontally from point on superior aspect of external auditory meatus to orbitale

Description : What is the Bilaminar Zone:** A. Formed of, or having, two laminae, or thin plates. Which is the distal attachment of superior hard lateral plate B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward

Last Answer : B. A vascular, innervated tissue that plays an important role in allowing the condyle to move foreward

Description : Which muscle has insertion in the pterygoid raphe:** A. Superior constrictor of the pharynx B. Middle constrictor of the pharynx C. Inferior constrictor of the pharynx

Last Answer : A. Superior constrictor of the pharynx

Description : Posterior superior alveolar nerve supplies:** A. 8, 7 and 6 except the mesio buccal root of 6 B. 8, 7 and 6

Last Answer : A. 8, 7 and 6 except the mesio buccal root of 6

Description : Which of the listed colors properly describes a DC motor commutator when correct commutation is taking place? A. Shiny blue B. Burnished green C. Brick red D. Chocolate brown

Last Answer : Answer: D

Description : High content copper amalgam . . . a. generally requires greater energy to accomplish trituration b. should be placed rapidly in large increments c. Continues to leak since the ... not cause galvanism in oral environment e. is equally effective as conventional alloys in clinical studies

Last Answer : a. generally requires greater energy to accomplish trituration

Description : High copper amalgam lasts longer than low copper amalgam because of:**  A. Increased compressive strength  B. Increased corrosion resistance  C. High creep  D. Increased tensile strength  E. Decreased setting expansion 

Last Answer : A. Increased compressive strength 

Description : What is correct in regard to high copper amalgam, A. Reacts and strengthens the amalgam by its dispersion properties B. Reacts to form copper-tin phase thereby eliminating the tin-mercury ... thereby eliminating the silver mercury phase D. Reacts and strengthens the amalgam by its grain diffusion

Last Answer : B. Reacts to form copper-tin phase thereby eliminating the tin-mercury phase

Description : What is the property of high copper amalgam A. Reduced physical creep B. Higher retention

Last Answer : A. Reduced physical creep

Description : After the initial development stage and in the absence of pathology, the size of the pulp chamber has been reduced by, A. Deposition of primary dentine B. Deposition of secondary dentine C. Reparative dentine D. Pulp fibrosis E. Deposition of reparative dentine

Last Answer : B. Deposition of secondary dentine

Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury

Description : Two central incisors on a radiograph are showing with what looks like eye drop radiolucency. You decided to start endodontic treatment on these teeth but when you tried to open access to the root ... and start a permanent restoration. B. Start systemic antibiotic C. Try to ream and file canals

Last Answer : C. Try to ream and file canals

Description : The beam that leaves the target is called, A. The primary X-ray B. The electrons ( from the cathode) C. The secondary rays (scattered radiation) D. X-ray photons no

Last Answer : A. The primary X-ray

Description : Which of the following is TRUE about syphilis: A. The spirochetes disseminate rapidly throughout the body within 24hour after contact B. Both the primary chancre and the secondary mucous patch stages of ... Only the lesions of the primary and secondary stages are contagious D. All of the above

Last Answer : D. All of the above

Description : A patient complains of sensitivity, on examination you find a composite filling restoring a good cavity preparation without any secondary caries; what is your next step: A. Extirpate the pulp that is obviously ... to sedate the pulp C. Ask patient to come back in six months D. Repeat restoration

Last Answer : B. Place ZOE dressing to sedate the pulp

Description : In regard to marginal leakage in amalgam: A. The wider the gap the better the chance of secondary caries B. Seal the margin with fissure sealant would prevent further breakdown C. Secondary caries may develop

Last Answer : A. The wider the gap the better the chance of secondary caries

Description : The final deposition of ameloblasts occurs in:** A. Primary enamel cuticle B. Secondary enamel cuticle C. Acquired enamel cuticle D. Cementum

Last Answer : A. Primary enamel cuticle

Description : Which of the following is secondary to immune deficiency: A. Pseudo membrane deficiency B. Herpes simplex C. Squamous cell carcinoma D. Elevated Epstein bar viruses incidence

Last Answer : D. Elevated Epstein bar viruses incidence

Description : What is true in treating a patient with secondary herpes simplex:** A. Acyclovir inhibits viral transcription when applied in the prodromal phase B. Idoxuridine is better than acyclovir when applied topically C. Antivirals are contra indicated in immuno-compromised patient

Last Answer : A. Acyclovir inhibits viral transcription when applied in the prodromal phase

Description : If amalgam gets contaminated with moisture, the most uncommon result is:** A. Blister formation B. Post operative pain C. Secondary caries D. Lower compressive strength

Last Answer : C. Secondary caries

Description : The junction between primary and secondary dentine is,*** A. A reversal line B. Sharp curvature C. A resting line D. A reduction in the number of tubules

Last Answer : B. Sharp curvature

Description : Rank the following impressions materials according to their flexibility A. Alginate> Polysulphide> Silicone> Zinc Oxide Eugenol B. Silicone> Alginate> Polysulphide> Zinc Oxide Eugenol C. ... Eugenol> Silicone> Polysulphide 300.Denture resins are usually available as powder and liquid that

Last Answer : D. Alginate> Silicone> Polysulfide> Zinc Oxide Eugenol

Description : When no radiation shield is available, the operator should stand out of the primary x ray beam and a distance from the patient’s head of at LEAST: A. 0.5 metres B. 1 metre C. 1.5 metres D. 2 metres E. 3 metres

Last Answer : Option C

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 : Which of the following Gold casting alloys are available: A. Medium alloy “Type II” B. ard alloy “Type III” C. Extra ard alloy “Type IV” D. All of the above

Last Answer : D. All of the above

Description : The major disadvantage of self-threaded pins is: A. Friction locked B. Too expensive C. Not all sizes available D. May cause tooth cracking

Last Answer : D. May cause tooth cracking

Description : .In regard to Gold casting alloys which one is available for bridge A. Hard alloy “Type IV B. Type II

Last Answer : A. Hard alloy “Type IV

Description : In planning and construction of a cast metal partial denture the study cast, M07 A. facilitate the construction of custom/special trays B. minimize the need for articulating C. provide only ... best assessed clinically D. can be used as a working cast when duplicating facilities are not available

Last Answer : A. facilitate the construction of custom/special trays

Description : Intact vesicles are MOST likely to be seen in:** A. Herpes simplex infection B. Oral lichenoid reaction C. Aphthous ulceration D. Pemphigus vulgaris E. Cicatricial pemphigoid

Last Answer : A. Herpes simplex infection

Description : lass Ionomer Cement sets because of,** A. Acid-Base reaction B. Addition polymerisation reaction C. Growth of glass crystals D. Slip plane locking E. Solvent evaporation

Last Answer : A. Acid-Base reaction

Description : Which of the following adverse reaction of oral contraceptives is the most common and the most serious A. Hypotension B. Hepatotoxicity C. Uterine neoplasia D. Thromboembolism disorder E. Decreased resistance to infection

Last Answer : D. Thromboembolism disorder

Description : A patient presents complaining of a stomach upset 48 hours after starting a course of antibiotic for oral infection, this is an example of, A. Type I allergic reaction B. Nervous disorder C. Side effect of the drug D. Type IV hypersensitivity reaction E. Pyloric stenosis

Last Answer : C. Side effect of the drug

Description : Can you have a fractured tooth root if there's no pain to speak of and are they dangerous?

Last Answer : I would guess you have damage around the base of your crowns. Our gums recede with age, which after ten years would leave some enamel exposed. Around the base of your crown is prime ground for particles ... case, but you should make an appointment right away to find out what does need to be done.

Description : What's there to criticize the mom for in the following story of dropped/skull fractured/ baby?

Last Answer : answer:Parents are like ship’s captains and presidents. The ‘buck’ of responsibility stops with them. I wouldn’t have been so judgemental, but then I’m not the type who goes online in search of tragedies over which to rubberneck.

Description : What would you do if you once had a fractured root in a tooth?

Last Answer : answer:X-Rays don’t lie. In fact you are making things worse using the baby-brush. To make one tooth hurt less you are fucking the integrity of all the others. I could have bought a house in Kansas with all the cash I have spent on dentistry.

Description : Is my finger broken or fractured? Maybe the bone is bruised?

Last Answer : Um, none of us can know what state your finger is in. You need to get it checked out by the doctor and have some x-rays done to be sure.

Description : How many bones have you broken or fractured and was it your own fault?

Last Answer : I broke my right wrist roller skating when I was a kid (my fault I guess). I broke my right wrist again when I slipped in some spilled beer at a party (not my fault). That time I had to have it surgically repaired.

Description : Why is my foot still swollen and peeling after surgery of 1 week. I had a fractured ankle and fibula tibia?

Last Answer : Need answer

Description : Fractured clavicle in the newborn?

Last Answer : DefinitionA fractured clavicle in the newborn is a broken collar bone in a baby that was just delivered.Alternative NamesFractured collar bone - newbornCauses, incidence, and risk factorsA fracture of a newborn' ... newborn had a broken collar bone.Signs and testsA chest x-ray will show whether or

Description : If I have rib cage pain, does this mean that I have fractured/broke a rib?

Last Answer : While rib cage pain can be caused by a broken or fractured rib there could be several other causes as well including inflammation of the cartilage near the breastbone, pleurisy, muscle spasms, and osteoporosis. Only a doctor can tell you for sure what if causing your particular rib cage pain.

Description : Medical diagnosis for a fractured hand.?

Last Answer : You should go to your doctor or to the emergency room. An X-ray will have to be done to determine whether or not your hand has been fractured.

Description : Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Last Answer : (4) Plaster of Paris Explanation: Plaster of Paris is a plaster made by calcining gypsum. It can be used to impregnate gauze bandages to make a sculpting material called modroc. It is used ... (and sometimes still is) used to make classic plaster orthopedic casts to protect limbs with broken bones.