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Graphics:  localization, Sex and Clinic aspect                                                           

Legend: L- leukoplastic, E- erittoplastic, LE- leukoeritroplastic,, U- ulcerated, UL- ulcerated leukoplastic, U-E ulcerated eritroplastic, U-LE ulcerated leukoeritroplastic. Data from Oral Pathology and Oral Diagnosis Department at the School of Dentistry Federal University of Rio de Janeiro (UFRJ).

Tab le 1: Clinic aspect and localization                                                           

Localization

L

E

LE

U

UL

U-E

U-LE

ND   

Total

Floor of Mouth

-

1

3

7

-

1

3

2

17

Tongue

1

1

2

5

3

1

-

2

15

Inf. Alv. edge

-

1

2

5

-

1

-

1

10

Cheek

-

-

2

3

1

1

-

1

8

Retromolar

-

-

1

1

1

1

-

1

5

Inf. Gum

-

1

-

3

-

-

-

-

4

Lip

-

-

-

2

-

1

-

 

3

Palate

-

--

1

2

-

-

-

-

3

Sup. Gum

1

1

-

-

-

1

-

-

3

Sup. Alv. edge

1

-

-

-

-

-

1

-

2

TOTAL

3

5

11

28

5

7

4

7

70

   %

4.3

7.1

15.8

40.0

7.1

10.0

5.7

10

100

Data from files of Oral Pathology and Oral Diagnosis Department at the Faculty of Dentistry, Federal University of Rio de Janeiro (UFRJ), Brazil.

Table 2 Clinic aspect and Histological grade

Grade

L

E

LE

U

UL

UE

ULE

ND

Total

Grade 1

-

2

3

9

2

1

1

-

18

Grade 2

2

2

6

15

1

4

2

2

34

Grade 3

1

-

2

2

1

1

1

5

13

Grade 4

-

1

-

2

1

1

-

-

5

Total

3

5

11

28

5

7

4

7

70

  %

   4.3

   7.1

  15.8

40

7.1

10

5.7

10

100

Data from files of Oral Pathology and Oral Diagnosis Department at the Faculty of Dentistry, Federal University of Rio de Janeiro (UFRJ), Brazil.

Legend: L leukoplastic, E erittoplastic, LE leukoeritroplastic,, U ulcerated, UL ulcerated leukoplastic, UE ulcerated eritroplastic, ULE ulcerated leukoeritroplastic, ND not describe. Data from Oral Pathology and Oral Diagnosis Department at the School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Brazil  

Table 3 Ulceration and Histological grade

                 Graduation

 Yes

Not

TOTAL

Short

  3738

1514

52

High

  1413

45

18

TOTAL

51

19

70

Data from files of Oral Pathology and Oral Diagnosis Department at the Faculty of Dentistry, Federal University of Rio de Janeiro (UFRJ), Brazil.

Table 4: Histological technique and histological gradation

Gradation

Routine

  Semi-serial

Total

Grade 1

2621.5                 37.15

1721.5              24.30

43

Grade 2

2630               37.15

3430                48.60

60

Grade 3

1715               24.30

1315                18.60

30

Grade 4

--2.5

52.5                   7.10

5

Total

69*                  98.60*

69*                  98.60*

138

 

Data from Oral Pathology and Oral Diagnosis Department at the School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Brazil. The value of the Chi-squared test c2=8.48* was considered significant at level of 5% (P<0.05) on 3df (r=4, C=2). *A lesion classified as Carcinoma in situ by routine technique, with the semi-serial cut was classified as grade I carcinoma.

Table 5: Anatomic localization of the oral carcinomas with alteration in the histological grade  

Localization

Number

Percentage

Floor of mouth

5

23.8

Gum

5

23.8

Tongue

4

19.0

Alveolar Edge

3

14.2

Cheek

2

  9.5

Retromolar

2

  9.5

TOTAL                                         21 100
 

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