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Rehabilitation of severely resorbed edentulous mandible using the modified visor osteotomy technique
Sverzut, Cassio Edvard; Trivellato, Alexandre Elias; Sverzut, Alexander Tadeu; Luna, Aníbal Henrique Barbosa; Santos, Thiago Iafelice dos; Pontes, Cassio de Barros.
  • Sverzut, Cassio Edvard; University of São Paulo. Ribeirão Preto Dental School. Department of Oral and Maxillofacial Surgery and Periodontology. Ribeirão Preto. BR
  • Trivellato, Alexandre Elias; University of São Paulo. Ribeirão Preto Dental School. Department of Oral and Maxillofacial Surgery and Periodontology. Ribeirão Preto. BR
  • Sverzut, Alexander Tadeu; University of São Paulo. Ribeirão Preto Dental School. Department of Oral and Maxillofacial Surgery and Periodontology. Ribeirão Preto. BR
  • Luna, Aníbal Henrique Barbosa; Paraíba State University. Department of Dental Medicine. João Pessoa. BR
  • Santos, Thiago Iafelice dos; University of São Paulo. Ribeirão Preto Dental School. Department of Oral and Maxillofacial Surgery and Periodontology. Ribeirão Preto. BR
  • Pontes, Cassio de Barros; s.af
Braz. dent. j ; 20(5): 419-423, 2009. ilus
Article in English | LILACS | ID: lil-537550
ABSTRACT
The prosthetic rehabilitation of an atrophic mandible is usually unsatisfactory due to the lack of support tissues, mainly bone and keratinized mucosa for treatment with osseointegrated implants or even conventional prosthesis. The prosthetic instability leads to social and functional limitations and chronic physical trauma decreasing the patient's quality of life. A 53-year-old female patient sought care at our surgical service complaining of impairment of her masticatory function associated with the instability of the lower total prosthetic denture. The clinical and complementary exams revealed edentulism in both arches, while the mandibular arch presented severe reabsorption resulting in denture instability and chronic trauma to the oral mucosa. The proposed treatment plan consisted in the mandibular rehabilitation with osseointegrated implants and fixed Brånemark's protocol prosthesis after mandibular reconstruction applying the modified visor osteotomy technique. The proposed technique offered predictable results for reconstruction of the severely resorbed edentulous mandible and posterior rehabilitation with osseointegrated implants.
RESUMO
A reabilitação protética de mandíbulas edêntulas muitas vezes torna-se insatisfatória em função da falta de tecido de suporte para reabilitação com implantes osseointegrágeis ou mesmo próteses totais convencionais. A falta de estabilidade protética ocasiona perda de qualidade de vida, pois geralmente resulta em limitação funcional e transtornos sociais. Este artigo descreve um caso clínico de uma paciente de 53 anos que procurou atendimento em nosso serviço queixando-se de dificuldade em mastigação e instabilidade da prótese total inferior, e apresentando atrofia severa de mandíbula. A reabilitação mandibular foi realizada com prótese fixa do tipo protocolo Brånemark, após cirurgia pré-protética reconstrutora com a utilização da osteotomia em "viseira modificada" e enxerto ósseo autógeno. A técnica proposta ofereceu resultados previsíveis para a reconstrução de mandíbulas severamente reabsorvidas para posterior reabilitação com implantes osseointegráveis.
Subject(s)

Full text: Available Index: LILACS (Americas) Main subject: Osteotomy / Alveolar Bone Loss / Jaw, Edentulous / Dental Implantation, Endosseous / Alveolar Ridge Augmentation / Mandible Type of study: Practice guideline / Prognostic study Limits: Female / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Paraíba State University/BR / University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Osteotomy / Alveolar Bone Loss / Jaw, Edentulous / Dental Implantation, Endosseous / Alveolar Ridge Augmentation / Mandible Type of study: Practice guideline / Prognostic study Limits: Female / Humans Language: English Journal: Braz. dent. j Journal subject: Dentistry Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: Paraíba State University/BR / University of São Paulo/BR