Abstract
The aim of the present study was to investigate the knowledge about oral cancer in a Brazilian population, including initial clinical signs, causal factors, and the health professional of first choice when suspected of the disease. A total of 2261 participants were interviewed in a cross-sectional study, to investigate associations between sociodemographic descriptive variables and knowledge of oral cancer, risk factors, disease precursor lesions, and health professional of choice for diagnosis. The variables were descriptively analyzed and possible associations investigated considering p values < 0.05. A total of 83.4% of participants reported knowing about oral cancer, and 59.5% reported knowing about potentially malignant lesions; both variables were associated (p < 0.0001). Tobacco was identified as the main risk factor (83.6%), followed by family history (66.2%), and poor oral hygiene (54.5%). Interviewees with higher education level had greater knowledge about cancer (p < 0.0001), and the dentist was the health professional of choice for 43.1% of those who knew about the disease (p = 0.007), with the generalist being the most sought specialist. The population evaluated had a low knowledge of oral cancer given the lack of specific clarifications on etiological factors and risk situations. Health education initiatives are necessary to increase population awareness of potentially malignant oral lesions and improve early diagnosis and recognition of the dentist as a qualified professional for diagnosis of the disease.
Similar content being viewed by others
References
Gupta B, Johnson NW, Kumar N (2016) Global epidemiology of head and neck cancers: a continuing challenge. Oncol 91:13–23. https://doi.org/10.1159/000446117
Krishna Rao SV, Mejia G, Roberts-thomson K, Logan R (2013) Epidemiology of oral cancer in Asia in the past decade- an update (2000-2012). Asian Pac J Cancer Prev 14:5567–5577
Kumar M, Nanavati R, Modi T, Dobariya C (2016) Oral cancer: etiology and risk factors: a review. J Cancer Res Ther 12:458–463. https://doi.org/10.4103/0973-1482.186696
Brazil. Instituto Nacional de Câncer José Alencar Gomes da Silva (INCA) (2019) ABC do câncer: abordagens básicas para o controle do câncer. 5. ed. Rio de Janeiro
Crossman T, Warburton F, Richards MA, Smith H, Ramirez A, Forbes LJL (2016) Role of general practice in the diagnosis of oral cancer. Br J Oral Maxillofac Surg 54:208–212. https://doi.org/10.1016/j.bjoms.2015.11.003
van der Waal I, de Bree R, Brakenhoff R, Coebergh JW (2011) Early diagnosis in primary oral cancer: is it possible? Med Oral Patol Oral Cir Bucal 16:300–305. https://doi.org/10.4317/medoral.16.e300
Hashim R, Abo-Fanas A, Al-Tak A, Al-Kadri A, Abu Ebaid Y (2018) Early detection of oral cancer- dentists’ knowledge and practices in the United Arab Emirates. Asian Pac J Cancer Prev 19:2351–2355. https://doi.org/10.22034/APJCP.2018.19.8.2351
Haresaku S, Makino M, Sugiyama S, Naito T, Mariño RJ (2018) Comparison of practices, knowledge, confidence, and attitude toward oral cancer among oral health professionals between Japan and Australia. J Cancer Educ 33:429–435. https://doi.org/10.1007/s13187-016-1086-2
Naseer R, Naz I, Mahmood MK (2016) Frequency of delayed diagnosis of oral squamous cell carcinoma in Pakistan. Asian Pac J Cancer Prev 17:5037–5040. https://doi.org/10.22034/APJCP.2016.17.11.5037
Fonseca EP, Brizon VSC, Lopes AG, Milagres CS, Freitas BC, Meneghim MDC (2015) Mortalidade por câncer de boca em Minas Gerais, Brasil. Rev Bras Pesqui Em Saúde 16:99–106. https://doi.org/10.21722/rbps.v16i3.10157
Lima AAS, França BHS, Ignácio AS, Baioni CS (2005) Conhecimento de alunos universitários sobre câncer bucal knowledge of university students about oral cancer. Rev Bras Cancerol 51:283–288
Panzarella V, Pizzo G, Calvino F, Compilato D, Colella G, Campisi G (2014) Diagnostic delay in oral squamous cell carcinoma: the role of cognitive and psychological variables. Int J Oral Sci 6:39–45. https://doi.org/10.1038/ijos.2013.88
Tahani B, Razavi SM, Emami H, Alamchi F (2017) Assessment of the quality of life of the patients with treated oral cancer in Iran. Oral Maxillofac Surg 21:429–437. https://doi.org/10.1007/s10006-017-0651-0
Pinheiro SMS, Cardoso JP, Prado FO (2010) Conhecimentos e Diagnóstico em Câncer Bucal entre Profissionais de Odontologia de Jequié, Bahia. Rev Bras Cancerol 56:195–205
Dost F, Do L, Farah CS (2016) Knowledge of oral cancer risk factors amongst high-risk Australians: findings from the LESIONS programme. Aust Dent J 61:432–439. https://doi.org/10.1111/adj.12408
Al-Maweri SA, Al-Soneidar WA, Dhaifullah E, Halboub ES, Tarakji B (2017) Oral cancer: awareness and knowledge among dental patients in Riyadh. J Cancer Educ 32:308–313. https://doi.org/10.1007/s13187-015-0924-y
Razavi SM, Tahani B, Nouri S, Khazaei A (2015) Oral cancer knowledge and practice among dental patients and their attitude towards tobacco cessation in Iran. Asian Pac J Cancer Prev 16:5439–5444. https://doi.org/10.7314/APJCP.2015.16.13.5439
Bajracharya D, Gupta S, Sapkota M, Bhatta S (2018) Oral cancer knowledge and awareness in patients visiting Kantipur Dental College. J Nepal Health Res Counc 15:247–251. https://doi.org/10.3126/jnhrc.v15i3.18849
Souza AL, Carvalho CHP (2017) Nível de conhecimento sobre câncer oral. RSC online 6:5–19
Tibaldi A, Tomo S, Boer N, Simonato L (2015) Avaliação do conhecimento da população do município de Fernandópolis-SP em relação ao câncer bucal. Arch Heal Invest 4:6–12
Shimpi N, Jethwani M, Bharatkumar A, Chyou PH, Glurich I, Acharya A (2018) Patient awareness/knowledge towards oral cancer: a cross-sectional survey. BMC Oral Health 18:1–10. https://doi.org/10.1186/s12903-018-0539-x
Formosa J, Jenner R, Nguyen-Thi MD, Stephens C, Wilson C, Ariyawardana A (2015) Awareness and knowledge of oral cancer and potentially malignant oral disorders among dental patients in Far North Queensland, Australia. Asian Pac J Cancer Prev 16:4429–4434. https://doi.org/10.7314/APJCP.2015.16.10.4429
Gupta B, Bray F, Kumar N, Johnson NW (2017) Associations between oral hygiene habits, diet, tobacco and alcohol and risk of oral cancer: a case–control study from India. Cancer Epidemiol 51:7–14. https://doi.org/10.1016/j.canep.2017.09.003
Ram H, Sarkar J, Kumar H, Konwar R, Bhatt MLB, Mohammad S (2011) Oral cancer: risk factors and molecular pathogenesis. J Maxillofac Oral Surg 10:132–137. https://doi.org/10.1007/s12663-011-0195-z
Neville BW, Day TA (2002) Oral cancer and precancerous lesions. CA Cancer J Clin 52:195–215
Mello FW, Melo G, Pasetto JJ, Silva CAB, Warnakulasuriya S, Rivero ERC (2019) The synergistic effect of tobacco and alcohol consumption on oral squamous cell carcinoma: a systematic review and meta-analysis. Clin Oral Investig 23:2849–2859. https://doi.org/10.1007/s00784-019-02958-1
Santos LO, Batista OM, Cangussu MCT (2010) Characterization of oral cancer diagnostic delay in the state of Alagoas. Braz J Otorhinolaryngol 76:416–422. https://doi.org/10.1590/S1808-86942010000400002
Santos IV, Alves TDB, Falcão ML, Freitas VS (2011) The paper of the dentist in relation to the oral cancer. Odontol Clín-Cient 10:207–210
Costa SS (2012) Relevance of occupational dentistry and stomatology in occupational health at the diving. Rev Bras Med Tab 10:56–63
Grossmann SMC (2018) Stomatologist a professional still unknown. Exp Rhinol Otolaryngol 2:91
Funding
This work was supported by the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)—Grant No. 22142.
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee of PUC Minas Protocol No. 2.207.653 and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Conflict of Interest
The authors declared that they have no conflict of interest.
Additional information
Publisher’s Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
de Mattos Camargo Grossmann, S., Sales, A.C.R., Reis, D.S. et al. Knowledge of Oral Cancer by a Brazilian Population. J Canc Educ 36, 965–970 (2021). https://doi.org/10.1007/s13187-020-01722-4
Published:
Issue Date:
DOI: https://doi.org/10.1007/s13187-020-01722-4