Prevention of oral cancers

Dr Prasanna Jayasekara

BDS, MSc, MD (Community Dentistry)

Consultant in Community Dentistry

National Cancer Control Programme

Colombo 5

According to 2012 world cancer data

Number of new oral cancer patients - 3 03 040

Number of deaths due to oral cancer - 1 46 269

According to 2008 Sri Lankan cancer data

Number of new oral cancer patients - 2107

Leading cancer sites for males in SL - 2009

22.6%

11.0%8.3%

6.2%

5.2%

5.0%

4.8%

37.2%

Lip, oral cavity and pharynx Trachea, bronchus and lung Oesophagus

Colon and rectum Lymphoma Larynx

Prostate gland Other

Leading cancer sites for females in SL - 2009

25.4%

9.7%9.0%

7.7%

6.7%

5.8%5.7%

4.4%

25.6%

Breast Cervix uteri

Thyroid gland Ovary

Oesophagus Lip, oral cavity and pharynx

Colon and rectum Uterus

Other

New oral cancer patients reported

from 2005 - 2009 in Sri Lanka

1617

1817 1813

21072293

1240

1427 1415

1630

1773

377 390 398477 520

0

500

1000

1500

2000

2500

2005 2006 2007 2008 2009

Total

Male

Female

0.0

20.0

40.0

60.0

80.0

100.0

120.0

0-4 5-9 10-14 15-19 20-24 25-29 30-34 35-39 40-44 45-49 50-54 55-59 60-64 65-69 70-74 75+

Ag

e sp

ecif

ic r

ate

per

10

0,0

00 p

op

ula

tio

n

Age group

Age specific rates- Lip, oral cavity and pharynx - 2009

Male

Female

Betel Quid

Tobacco contains 28 carcinogens

Betel Quid

Areca nut contains 4 carcinogens

9/11/2017

Composition of the different types of chewing substances

Chewing substance Betel Areca nut Tobacco Slacked lime

Betel quid with tobacco X X X X

Betel quid without tobacco X X X

Areca X

Pan masala X X

Khaini X X

Mawa X X X

PRODUCTS USING ARECA NUT

Babul beda

Commercially prepared Arecanut

Oral Potentially Malignant Disorders

• White patches/ Leukaplakia

Oral Potentially Malignant Disorders

• Red patches / Erythroplakia

Oral Potentially Malignant Disorders

• White and red patches / Erythroleukoplakia

Oral Potentially Malignant Disorders

Oral Sub mucous Fibrosis

Prevention of OPMD

• Clinical oral examination by a dental surgeon.

• Self oral examination

Self oral examination

High risk individuals for oral cancer

• Estate workers

• Labourers

• Bus drivers/ conductors

• Three-wheel drivers

High risk individuals for oral cancer

• People who chew betel everyday

• People who chew betel, smoking and consume alcohol

• Who consume commercial arecanut products

High risk individuals for OPMD and oral cancer should do …..

self oral examination once a month

clinical oral examination once a year

Thank you

National Cancer Control Programme

555/5 Alvitigala Mawatha

Narahenpitiya

Colombo 05

0112 368 627