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Case Report: Scabies Invading Gingival Tissue

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  • 1 Dentistry Science Post-Graduation Program (PPGCO), Universidade Federal do Rio Grande do Norte (UFRN), Natal, Brazil;
  • 2 Bucomaxillofacial Surgery Service, Universidade Federal da Paraíba (UFPB), João Pessoa, Brazil;
  • 3 Post Graduation Program in Dentistry, PPGO, Universidade Federal da Paraíba (UFPB), João Pessoa, Brazil;
  • 4 Oral Diagnosis, Universidade Federal de Pernambuco (UFPE), Recife, Brazil;
  • 5 Oral Diagnosis, Universidade Estadual da Paraíba (UEPB), Campina Grande, Brazil

ABSTRACT

Non–plaque-induced lesions may occur on the gingiva as medical disorders or manifestations of systemic conditions. Scabies is a parasitic infection caused by Sarcoptes scabiei. Here, we present the first case of oral scabies reported in the literature located on the gingiva in a 43-year-old woman. She was admitted to the hospital complaining of an ulcerative lesion on the gingiva with unknown duration, with a suggestive diagnosis of pemphigoid. A diagnosis of scabies infestation was made based on the visualization of eggs and larvae/nymph forms. The treatment consisted of 100 mg of ivermectin (three times per day for 15 days), supplemental oral hygiene with chlorhexidine, and extensive cleaning. The follow-up was made 30 days after treatment with ivermectin. The patient did not report side effects, with skin and oral lesions completely healed. Based on this, we need to perform a thoughtful ectoscopy examination and be alert to signs that indicate unusual causes to diagnose correctly and choose the appropriate treatment.

Author Notes

Address correspondence to Hélder Domiciano Dantas Martins, Department of Clinic and Social Dentistry, Federal University of Paraíba, Contorno da Cidade Universitária Av., Castelo Branco, João Pessoa 58051-900, Brazil. E-mail: helderdomiciano@hotmail.com

Authors’ addresses: Hélder Domiciano Dantas Martins, Department of Oral Pathology, Universidade Federal do Rio Grande do Norte (UFRN), Natal, Brazil, and Bucomaxillofacial Surgery Service, Universidade Federal da Paraíba (UFPB), Joao Pessoa, Brazil, E-mail: helderdomiciano@hotmail.com. Ozawa Brasil Junior, Sirius Dan Inaoka, and Tácio Candeia Lyra, Bucomaxillofacial Surgery Service, Universidade Federal da Paraíba (UFPB), Joao Pessoa, Brazil, E-mails: ozawa.brasil@hotmail.com, daninaoka@hotmail.com, and taciocanlyra@gmail.com. Lucio Roberto Cançado Castellano, Human Immunology Research and Education Group, Federal University Paraiba, João Pessoa, Brazil, E-mail: luciocastellano@gmail.com. Danyel Elias da Cruz Perez, Oral Diagnosis, Universidade Federal de Pernambuco (UFPE), Recife, Brazil, E-mail: perezdec2003@yahoo.com.br. Cassiano Francisco Weege Nonaka, Oral Diagnosis, Universidade Estadual da Paraíba (UEPB), Campina Grande, Brazil, E-mail: cfwnonaka@gmail.com. Paulo Rogerio Ferreti Bonan, Bucomaxillofacial Surgery Service, Universidade Federal da Paraíba (UFPB), Joao Pessoa, Brazil, and Post Graduation Program in Dentistry (PPGO), Universidade Federal da Paraíba (UFPB), Joao Pessoa, Brazil, E-mail: pbonan@yahoo.com.

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