Preventive Dentistry MCQ 1

Fluoride safe dose is

The fluoride content of fluor protector varnish is:

How much fluoride is present in a tooth paste with 700 ppm fluoride?

Who postulated that water fluoridation is associated with reduced tooth decay?

Deciduous teeth do not show fluorosis because:

Nalgonda technique involves addition of following chemicals:

Active fluoride concentration in the cavity varnish duraphat is

Galagan’s formula is to:

The daily recommended dose of the fluoride for the children below 3 years is

1 part per million fluorides is:

Mc Kay discovered Colorado stain in:

Enamel crystallites are stabilized against acid if fluoride ions replace

Comm unity water fluoridation is important because

0.05% of NaF has concentration of F

In school water fluoridation programme the level of fluoride as compared to the level in community water fluoridation is:

In school water fluoridation, amount of F used is:

Which of the following levels of fluorides in drinking water is associated with enamel fluorosis?

The minimum amount of fluoride required in common salt for caries reduction is

The recommended concentration of fluoride in a community water supply is

During community water fluoridation which of the following is least important?

Amount of reduction in dental caries achieved by dentifrices is:

Nalgonda tech is used for

The Fluoride form that has to be freshly prepared before use is:

Fluoride is carried in the blood via:

The recommendation concentration of acidulated phosphate (APF) fluoride gel is

The % reduction in caries to be expected by the application of neutral fluoride solution is:

Absorbed fluoride is eliminated by:

Repeated topical applications of a Fluoride agent will not produce tooth mottling because:

Which of the following methods is used fordeflouridation?

Flouride poisoning occurs in

Fluoride is added to drinking water in the form of

4 yr old child has 0.2 ppm fluoride in drinking water. The child can be administered:

Stannous fluoride concentration used in topical fluoride is:

Fluoride is least effective in which area:

Milk Fluoridation was introduced by

The first country to adopt salt fluoridation was

Shoe leather survey was carried out by

A child spends 8 years life in a temperate climate where the drinking water had fluoride of 3ppm. The teeth that are effected are

A 5-year old child is recommended the following fluoride dentifrice regimen

Chronic fluoride toxicity results in:

The minimum amount of fluoride that should be present in salt for effective anticaries activity in:

Most commonly associated ion with remineralisation of enamel

The element fluoride was described by Churchill in:

Dental fluorosis not associated with skeletal fluorosis are seen at:

Brudevold’s solution contains:

The newly erupted tooth:

A layman before introduction of fluoride in prevention of dental caries knew about it as a constituent used in

In ceramic restoration, which can be used

Fluoride supplement for a 3-year old child living in an area with fluoride content of 0.25 ppm is

The best sustaining topical effect of fluoride is obtained by:

When using a supplemental fluoride for the systemic water fluoridation, which is the most important factor to be taken into consideration:

The best method to prevent initiation of caries in a fouryear- old child who has no accessibility to community water fluoridation is:

Average daily intake of fluoride from all sources combined for adults and children is:

Which is applied once and left to dry

The term mottled enamel to Colorado stain was given by:

The concentration of Naf in a daily mouth rinse is:

Fluoride chewable tablets are preferred because:

Difference between Fluoride Gel and Varnish:

The WHO index for fluorosis is based on:

Which of the following procedures can be replaced by the use of occlusal sealants

In dentifrices concentration of fluoride is:

The primary action of topical fluoride is a:

Mode of action of systemic fluoride is:

Best way to prevent caries is:

Fluoride content is more in which milk product?

The process of applying a resin to the fissures of a newly erupted tooth was introduced by

Safe disposal of mercury is:

NaF application is done:

Space maintenance is an example of

Grand rapids & Muskegon study is based on

Among the common food items, fluoride is found in higher PPM in:

Third generation sealants are cured by

Concentration of Fin 1.23% APF gel is (1.23% c)

The pH of APF gel isa)

The main site of absorption of ingested fluorides is

The usual metabolic pathway of ingested fluoride involves urinary excretion primarily with the remaining portion found largely in:

Metallic taste is due to SnF in saliva is

Using pit and fissure sealant is:

0.2% NaF mouth rinse is re com mended

Dental caries is associated with flouride levels in water below:

Knutson’s technique of fluoride application is done the following years:-

8% Snf2 contains how much% offlouride

Famous Vipeholm study was conducted to:

The colorless or transparent pit and fissure sealants are usually

The following is/ are a rich source of fluoride

Determining level of fluoride in community water fluoridation programme depends on:

In acute fluoride toxicity we use:

Fluoride action on carbohydrates in reducing the caries is by

Systemic water fluoridation reduces caries

Recommended time for acid etching before placing a pit and fissure sealant

The “Choking off” mechanism takes place after topical application of:

Duraphat is:

A child accidentally swallows 10 cc of a 10% fluoride solution. The most effective immediate action is to:

What is the recommended daily dose of fluoride for the 3 to 12 years old child?

The most common fluoride agent used in dentifrices are

Sealants are effective in