All of the following are properties of fluoride except: A. Crosses the placental barrier B. It deposits rapidly in bone C. It is excreted rapidly by kidneys D. It is bacteriostatic E. It produces extrinsic tooth stain

All of the following are properties of fluoride except:
A. Crosses the placental barrier  
B. It deposits rapidly in bone
C. It is excreted rapidly by kidneys
D. It is bacteriostatic
E. It produces extrinsic tooth stain
by

1 Answer

Answer :

E. It produces extrinsic tooth stain
by

Related questions

Which of the following is not a property of Fluoride: A. Crosses placental barrier B. Deposits in bone C. Excretes rapidly by kidney D. Bacteria static E. Produces extrinsic tooth stain

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Last Answer : E. Produces extrinsic tooth stain

A highly ionised drug: a. is well absorbed from the intestine b. is excreted mainly in the kidney c. crosses the placental barrier easily d. is reabsorbed from the renal tubule

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Last Answer : is well absorbed from the intestine

Which of the following is the best evidence that a previous periodontal treatment is successful? A. The patient keeps a 3 month recall appointment B. There is no extrinsic stain C. The patient demonstrates good understanding of brushing and flossing techniques D. There is no bleeding on probing

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Last Answer : D. There is no bleeding on probing

Which of the following is not true about warfarin, a. INR of 3 is enough to start any extraction. b. Affects extrinsic system and increases prothrombin time. c. Heparin can be given subcutaneously and acts rapidly. d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.

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Last Answer : d. It takes at least 12 hours for Vitamin K to reverse the effects of coumarin.

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Last Answer : B. Affects extrinsic system and decreases prothrombin time

.Fluoridation is the adjustment of the fluoride content of a community water supply to optimum levels for caries prevention. Which of the following statement is correct? A. Tooth decay declines by 90% to 95% B. Tooth decay declines by 45% to 55% C. Greater reduction in smooth surface caries from in pit and fissures D. Fluoridation increases vulnerability to osteoporosis

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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

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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 intake of fluoride during the period of enamel mineralization and maturation C. Periodic topical fluoride application by dental health care following tooth eruption D. Sufficient intake of calcium and Vitamin D during the period of enamel mineralization and maturation

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Several applications have been suggested to increase the effectiveness of prophylactic application of topical fluoride which include all EXCEPT: A. Increase Fluoride ions in solution “increase concentration” B. Increase PH of fluoride C. Increase exposure time to topical fluoride D. Pre-treat enamel with 0.5% phosphoric acid E. Use NH4F instead of NaF

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All the following statements regarding ketone bodies are true except (A) They may result from starvation (B) They are formed in kidneys (C) They include acetoacetic acid and acetone (D) They may be excreted in urine

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Tooth under occlusal trauma may show: A. Bone resorption B. Necrosis of the pulp C. Hypercementosis D. Triangulation E. All of the above

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cyst at the apex of an upper central incisor measuring 1 cm in diameter is visualized in radiograph and confirmed by aspiration biopsy; which method of treatment would you consider?** A. Extraction of the central incisor and retrieving the cyst through the socket B. Exteriorizing the cyst through the buccal bone and mucosa C. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by tooth removal. D. Making a mucoperiosteal flap and removing the cyst through an opening made in the alveolar bone, followed by endodontic treatment. E. Routine orthograde endodontic treatment followed by observation.

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The MOST likely factor contributing to tooth eruption is:** A. The growing root B. Bone growth C. Vascular pressure D. The developing periodontal ligament

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All of the following should be considered for systemic antibiotic except: A. Extraction of tooth with acute dento alveolar abscess B. Necrotic ulcerative gingivitis (ANUG) unless it is acute. C. Extraction of 38 or 48 with acute pericoronitis D. Full mouth extraction for a patient with perio disease

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A child consumes a toxic dose of fluoride. You will:** A. Induce vomiting B. Give a lot of fluids C. Give a lot of fluids and sodium bicarbonates D. Ask patient not to eat for 45 minutes E. Give milk, calcium tablets or magnesium tablets

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Which one of the following is used in water fluoridation: A. SnF2 B. 1.23% APF C. H2SiF6 D. CaSiF2 E. 8% Stannous fluoride

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The concentration of Fluoride in the topical NaF A. 2% B. 5% C. 8% D. 10%

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On examination of a composite restoration you find a dark attain: A. Replace the composite B. Repair with unfilled resin C. Apply topical fluoride at the margin

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The water fluoridation is 0.5ppm; what is the recommended supplemental fluoride concentrations for 3 years-old child: A. 0.25mg B. 0.50mg C. 1.00mg D. 0 mg

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Using fluoride in the root surface caries is to protect, A. Enamel B. Dentine and cementum C. Cuticle

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Recession of gingiva of several anterior teeth caused by exposure and softened cementum; what would you do? A. Scrap the soften cementum and apply fluoride B. Scrap the soften cementum and use GIC C. Class V amalgam

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Bacteriostatic drugs are unlikely to effect cure of bacterial infection in the following category of patients except: A. Diabetic patients B. Patients with allergic disorders C. Patients on corticosteroid therapy D. Subacute bacterial endocarditis patient

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Which gland regulates the amount of water excreted by the kidneys?

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A major difference between light cured and chemical cured composite is that during setting or in function the light cured material tends to:******** VERY IMP A. Seal the margins better and completely B. Exhibit less wear on time C. Undergo greater colour change D. Shrink more rapidly E. Posses greater fracture toughness

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Patient presents with rapidly progressive root caries on many teeth. Which of the following laboratory results would be a possible indicator of this? A. Stimulated salivary secretion rate of 1.5ml/min B. S. mutans concentration of 105 organism/ml C. A plaque sample containing 5% S. mutans D. A lactobacilli concentration of 105 organism/ml E. Salivary buffering PH 5.5 > 100000 CFU/ml high caries incidence

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Last Answer : E. Salivary buffering PH 5.5

The following is true of sevoflurane except: A. It induces anaesthesia rapidly B. It is nonpungent C. It produces prolonged postanaesthetic psychomotor impairment D. It is less potent than halothane

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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 the disease are highly infectious C. Only the lesions of the primary and secondary stages are contagious D. All of the above

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Last Answer : B. Cracking of the investment

Placenta secretes all the hormones except Options: 1) HCG 2) Prolactin 3) Estrogen 4) Human Placental Lactogen

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Last Answer : 2) Prolactin

As far as surgical removal of wisdom teeth is concerned which of the following is true? a- Prophylactic prescription of antibiotic reduces dramatically the chances of infection. b- Raising a lingual flap will increases the incidence of neurapraxia but will reduce the incidence of neurotmesis with respect to the lingual nerve. c- Prophylactic prescription of dexamethasone will dramatically reduce post operative swelling. d- Inferior dental nerve injury is unlikely since the nerve passes medial to the wisdom tooth root. e- The use of vasoconstrictors in local anaesthetics will increase the chances of infection.

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