Indices

Calculus surface index evaluates calculus accumulated over a period of

2-6 weeks

1-2 weeks

4-6 weeks

1-6 weeks

Calculus surface index was modified to included how many teeth

4 Lower anteriors

6 Upper anteriors

4 Upper anteriors

6 Lower anteriors

Maximum possible score in calculus surface severity index is

128

Three measurement planes in probe method of calculus assessment are

Gingival, distal and mesial

Labial, distal and mesial

Lingual, distal and mesial

Labial, lingual and mesial

Percentages used to score calculus in marginal line calculus index

10%, 20%, 30%, 40% and 50%

12.5%, 25%, 50%, 75% and 100%

60%, 70%, 80%, 90% and 100%

25%, 35%, 45%, 55% and 65%

All the surfaces are examined and surface with highest grade is recorded in

Calculus surface index

Calculus surface severity index

Sign grading system for calculus

Marginal line calculus index

Score for severe (+++) calculus is

0-1

1-1.2

1.5-2

2.1-3

who gave the index to record the stains of stannous fluoride agents on children

Synder

Lobene

Horowitz

Davis and Rees

2 regions measured in labial surface of Lobene's stain index are

Incisal and body

Cervical and body

Gingival and Body

Middle and body

Index to record pigmentation of teeth occurring in association with fillings or with non-carious tooth structure is

Extrinsic stain index

Lobene's stain index

Dental pigmentation index

Modified lobene's stain index

In modified Lobene's stain index; stain recorded based on 2 characteristics namely

Opacity and intensity

Intensity and area

Area and Opacity

Intensity and area

Crown considered in all classification of stain indices is

Anatomical

Clinical

Clinical and not anatomical

Anatomical and not clinical

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