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Stomatologija 2013; 15 (3): 78-83 107 KB

Oral cancer calibration and diagnosis among professionals from the public health in São Paulo, Brazil

José Carlos Alves, Renato Pereira da Silva, Karine Laura Cortellazzi, Fabiana de Lima Vazquez, Regina Auxiliadora de Amorim Marques, Antonio Carlos Pereira, Marcelo de Castro Meneghim, Fábio Luiz Mialhe

Summary

Oral cancer is a public health problem responsible for 13% of deaths worldwide in 2008 and screening programs can be useful to detect individuals more vulnerable to the disease, improving its prognosis.

Objectives. The aim of the present study was to evaluate oral cancer calibration (in lux and in vivo methodologies) and diagnosis processes performed by dental surgeons (DSs) of the public health system in São Paulo, Brazil.

Material and methods. Thirty-three oral cancer photographs were examined during in lux calibration, while 560 individuals were examined during in vivo calibration. Oral conditions were coded as “0 – sound tissues”, “1 – buccal lesions without malignant potential” and “2 – buccal lesions with malignant potential”. The final sample for oral cancer screening was composed of 336 individuals, age-range 40 years or older.

Results. Kappa values for interexaminer agreement were 0.67 and 0.45 for in lux and in vivo respectively. The accuracy of both methodologies was over 80%. Oral cancer screening revealed 48 healthy individuals, 273 oral lesions coded as “1” and 12 oral lesions coded as “2”.

Conclusion. In spite of the low reproducibility, the validity of the visual examination in oral cancer screening was satisfactory, showing its importance as part of preventive oral cancer programs and public health system campaigns.

Key words: oral cancer, oral diagnosis, calibration.

Received: 28 08 2012

Accepted for publishing: 23 09 2013

¹Health Municipal Secretariat from São Paulo city, Brazil

²Department of Nutrition and Health, Federal University of Viçosa, Brazil

³Department of Social Dentistry, Piracicaba Dental School, University of Campinas, Brazil

⁴Department of Community Dentistry, University from São Paulo (UNIP), São Paulo, Brazil

José Carlos Alves¹ – D.D.S., MSc

Renato Pereira da Silva² – D.D.S., MSc, PhD, prof.

Karine Laura Cortellazzi³ – D.D.S., MSc, PhD, collaborator prof.

Fabiana de Lima Vazquez³ – D.D.S., MSc, PhD student

Regina Auxiliadora de Amorim Marques^{1, 4} – D.D.S., MSc, PhD, prof.

Antonio Carlos Pereira³ – D.D.S., MSc, PhD, prof.

Marcelo de Castro Meneghim³ – D.D.S., MSc, PhD, prof.

Fábio Luiz Mialhe³ – D.D.S., MSc, PhD, prof.

Address correspondence to Dr. Renato Pereira da Silva Department of Nutrition and Health (DNS), Federal University of Viçosa (UFV) Zip code 36570-000, Viçosa, MG, Brazil E-mail address: renatop.silva@ufv.br



	Baltic Dental and Maxillofacial Journal

September, 2013, Vol. 15, No. 3 CONTENTS LETTER TO EDITOR 5-aminolevulinic acid based photodynamic therapy for basal cell carcinoma: A 10-years follow-up study Eidi Christensen ii REVIEW Relationship between breastfeeding, bottle-feeding and development of malocclusion Indrė Narbutytė, Agnė Narbutytė, Laura Linkevičienė 67-72 SCIENTIFIC ARTICLES Periapical status and quality of root fillings in a selected adult Riga population Ilana Jersa, Rita Kundzina 73-77 Oral cancer calibration and diagnosis among professionals from the public health in São Paulo, Brazil José Carlos Alves, Renato Pereira da Silva, Karine Laura Cortellazzi, Fabiana de Lima Vazquez, Regina Auxiliadora de Amorim Marques, Antonio Carlos Pereira, Marcelo de Castro Meneghim, Fábio Luiz Mialhe 78-83 A preliminary study applying decision analysis to the treatment of caries in primary teeth Vytautas Tamošiūnas, Elizabeth Kay, Rebecca Craven 84-92 CASE REPORTS Differential diagnosis of antral pseudocyst. A case report Augusto César Sette-Dias, Marcelo Drummond Naves, Ricardo Alves Mesquita, Evandro Neves Abdo 93-95 © 2013 Stomatologija		Stomatologija 2013; 15 (3): 78-83 107 KB Oral cancer calibration and diagnosis among professionals from the public health in São Paulo, Brazil José Carlos Alves, Renato Pereira da Silva, Karine Laura Cortellazzi, Fabiana de Lima Vazquez, Regina Auxiliadora de Amorim Marques, Antonio Carlos Pereira, Marcelo de Castro Meneghim, Fábio Luiz Mialhe Summary Oral cancer is a public health problem responsible for 13% of deaths worldwide in 2008 and screening programs can be useful to detect individuals more vulnerable to the disease, improving its prognosis. Objectives. The aim of the present study was to evaluate oral cancer calibration (in lux and in vivo methodologies) and diagnosis processes performed by dental surgeons (DSs) of the public health system in São Paulo, Brazil. Material and methods. Thirty-three oral cancer photographs were examined during in lux calibration, while 560 individuals were examined during in vivo calibration. Oral conditions were coded as “0 – sound tissues”, “1 – buccal lesions without malignant potential” and “2 – buccal lesions with malignant potential”. The final sample for oral cancer screening was composed of 336 individuals, age-range 40 years or older. Results. Kappa values for interexaminer agreement were 0.67 and 0.45 for in lux and in vivo respectively. The accuracy of both methodologies was over 80%. Oral cancer screening revealed 48 healthy individuals, 273 oral lesions coded as “1” and 12 oral lesions coded as “2”. Conclusion. In spite of the low reproducibility, the validity of the visual examination in oral cancer screening was satisfactory, showing its importance as part of preventive oral cancer programs and public health system campaigns. Key words: oral cancer, oral diagnosis, calibration. Received: 28 08 2012 Accepted for publishing: 23 09 2013 ¹Health Municipal Secretariat from São Paulo city, Brazil ²Department of Nutrition and Health, Federal University of Viçosa, Brazil ³Department of Social Dentistry, Piracicaba Dental School, University of Campinas, Brazil ⁴Department of Community Dentistry, University from São Paulo (UNIP), São Paulo, Brazil José Carlos Alves¹ – D.D.S., MSc Renato Pereira da Silva² – D.D.S., MSc, PhD, prof. Karine Laura Cortellazzi³ – D.D.S., MSc, PhD, collaborator prof. Fabiana de Lima Vazquez³ – D.D.S., MSc, PhD student Regina Auxiliadora de Amorim Marques^{1, 4} – D.D.S., MSc, PhD, prof. Antonio Carlos Pereira³ – D.D.S., MSc, PhD, prof. Marcelo de Castro Meneghim³ – D.D.S., MSc, PhD, prof. Fábio Luiz Mialhe³ – D.D.S., MSc, PhD, prof. Address correspondence to Dr. Renato Pereira da Silva Department of Nutrition and Health (DNS), Federal University of Viçosa (UFV) Zip code 36570-000, Viçosa, MG, Brazil E-mail address: renatop.silva@ufv.br