hygienic and parodontal indexes
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Peoples Friendship University of Russia
Medical Faculty
Department of General Dentistry
Moscow
2014
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HYGIENIC INDEX BY FEDOROV-
VOLODKINA(1971):
To determine the index examined mouth surface of
6 teeth: 43(83), 42(82), 41(81), 31(71), 32(72),33(73),painted with special solutions (Schiller-Pisarev,fuchsine, erythrosine) to assess the presence of
plaque.
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THE CODES OF ASSESEMENT:
1 - plaque is not identified;
2staining of one quarter of the surface of a toothcrown;
3 - staining of half of the surface of the tooth crown;4 - staining of three-quarters of the surface of the
tooth crown;
5 - staining of the whole surface of the tooth crown.
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BEFORE AND AFTER THE STAINING
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1,1 - 1,5 points - good level of hygiene;
1.6 - 2.0 points - satisfactory;
2.1 to 2.5 points - unsatisfactory;2.6 to 3.4 points -bad;
3.5 - 5.0 - very bad.
METRICS:
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ORAL HYGIENIC INDEX SIMPLE BY
GREEN-VERMILLION (OHI-s) (1969):
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Codes for the assessment of Tartar :
0 -the tartar is not detected;
1 - supragingival dental calculus, covering not more
than 1/3 of the surface of the tooth;2 - supragingival dental calculus, covering more
than 1/3, but less than 2/3 of the surface of thetooth;
3 - supragingival dental calculus, covering morethan 2/3 of the surface of the tooth.
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FORMULA:
OHI-S= sum of points of tartar + sum of points of
plaque/ the number of teeth(?).
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For the assessment of plaque paint 6 teeth: 16, 26,
11, 31 - vestibular surfaces; 36, 46 - lingual surfaces.
1 - medial
2lateral3 - cervical
4 - central5 - occlusion
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sum of points of the teeth (in 5 sites of each)
= ----------------------------------------------------
number of studied teeth
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METRICS:
Means of Index Level of Hygiene
0 excellent
0, 1 - 0, 6 good
0, 7- 1, 6 satisfactory
1, 7 unsatisfactory
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To assess the severity of gingivitis is used papillary-marginal-
alveolar index (PMA).
The assessment of gums inflammation is carried out visually or
staining by Schiller-Pisarevssolution.
CODES OF ASSESSMENT:
0inflammation isnt detected;
1 - inflammation of gingival papilla (P);
2 - inflammation of the marginal part of gums (M);
3 - inflammation of the alveolar part of the gums (A).
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Normall y PMA I ndex = 0.
CODES OF ASSESSMENT:
30% or lesslight severity of gingivitis;3160 % medium severity;
61% or moreheavy severity.