Periodontology MCQ 2

The bacterial flora associated with Juvenile periodontitis is mainly:

A glycoprotein that promotes new attachment and increased cell proliferation is:

Which one of the following complexes of periodontal micro-organisms is associated with bleeding on probing?

Lactic acid is produced in mouth by

Mc Call Festoons are seen in which teeth

Early & established stage of gingivitis is differentiated by increase in number of

The inorganic component of sub-gingival plaque is derived from:

In periodontal disease, ground substance is dissolved by

Bacterial communication with each other in a biofilm is known as

A complex interaction among lymphocytes, inflammatory cells and other cellular elements in connective tissue are mediated by a series of low molecular weight proteins called

Clinical signs of gingivitis appear in

Which stage of gingivitis is also called subclinical gingivitis –

Which of the following is the most likely source of collagenase?

The biofilms found on tooth surfaces are termed as:

Which is characteristic of supragingival plaque and not of subgingival plaque in humans?

Not significant in pathogenicity of periodotic problems?

Which of the following is not influenced by systemic disease:

When the dental plaque is allowed to accumulate in the absence of any plaque control procedures, it results in gingivitis within

Plaque differs from materia alba in

The lactoperoxidase thiocynate system present in saliva is against

The number of bacteria in the oral cavity is greater

Specific plaque hypothesis state that

A key feature that differentiates stage III gingivitis from the stage II lesion is an increase in the number of

Atypical gingivitis is

Bacteria in plaque form

Which is the enzyme that prevents the adhesion of actinomyces to adhere to the tooth structure?

Which of the following substances play a major role in regulating cell-cell and cell-matrix interaction in

cementum?

A thin bluish line around the gingival margin is due to the absorption of

Apostrophe shaped area

Not responsible for chronic gingival inflammation?

Which of the following is first formed after tooth brushing

Commonly isolated organism from oral cavity is

Enterococcus faecalis in post treatment periodontitis

McCall’s festoons are

Bleeding on probing will tell us the:

Mc Calls festoon result from

Pellicle is a

Primary Colonization of plaque is dominated by

After enamel has been exposed to bacteria, irreversible bacterial colonization takes place in about

Most objective sign of gingivitis is

Pigmentation of chemicals in mucosa is due to

Pregnancy gingivitis is caused by:

Pre-requisite for plaque formation

Periodontitis is caused by

Supragingival plaque undergoes which of the following changes with time?

The most common form of gingival disease is:

Features of gingivitis

Which is the most numerous component of plaque?

Electronic instrument used to measure gingival crevicular fluid is

The Gram negative bacteria most numerous in oral cavity are

The ‘Red complex’ associated with bleeding on probing is comprised of

Earliest clinical sign of gingivitis is:

ingival Recession is most common due to

Which surface of tooth has most of plaque?

Ecologic determinants of plaque depend on all, except:

Which one of the following species of streptococci is usually not found in human dental plaque.

Which of the following is true about tooth associated subgingival plaque?

Which single factor could contribute most of the development of simple gingivitis in children?

Plasma cells are mostly seen in one of the stages of gingivitis

Bacterial “finger printing” illustrate that periodontal pathogens are

Salivary pellicle is composed of the following except:

Which component of diet effects plaque composition

Black pigmented bacteroides release ___ as agent responsible for unpleasant smell of breath.

When P.D. probing in gingivitis done, depth is measured from

In gingivitis, the im munoglobulins are consistent with the increase in number of

In later phases of plaque development the organism pre dominates

Biofilms in general have

Micro organism which uses steroids as growth factor is

According to Glickman, maxim um accumulation of plaque takes place in approximately

Bacteria found in gingivitis are localized in:

The following condition do not create gingival defects necessitating gingivoplasty except

Which of the following plaque is most harmful and causes spread of Inflammation to the connective tissue leading to bone destruction:

The concept of calculus formation in which seeding agents induce small foci of calcification which enlarge and coalesce to from a calcified mass is termed as

What is/are the method/methods of transferring information in a biofilm?

After cleaning and pumicing the tooth surface, plaque formation takes place within

The histopathological picture of chronic gingivitis:

One common radiographic finding in clinical gingivitis is

Dental plaque is formed by reaction of enzymes on:

A test that can be used for typing of class I histocompatibility antigens is

The growth of porphyromonas gingivalis is enhanced by a metabolic byproduct succinate produced by

Which of the following species is found in abundance in adult plaque?

Gingivitis

The most important cell which contributes to the severity of periodontal disease is.

The bacteria of oral flora which plays least role in periodontitis is:

Sub-gingival scaling alters the microflora of periodontal pocket

All of the following organisms can be detected by BANA analysis EXCEPT

Structures resembling corncob can be seen in a plaque sample that is:

Gingivitis is initiated most frequently by:

The change in color, seen in? shape and texture of gingiva are

Majority of oral microorganisms are:

The primary etiologic factor in the development of furcation defect is

Bacteria in plaque are held together by

Which of the following bacteria do not invade host tissue cell?

The most common sequel of gingivitis:

Collagen fibrils have a transverse striation with a characteristic periodicity of –