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1.
ImplantNews ; 12(3): 301-310, 2015. ilus
Article in Portuguese | LILACS, BBO | ID: lil-759668

ABSTRACT

As reabilitações assistidas sobre implantes necessitam do planejamento não só da fixação do implante no interior do tecido ósseo, mas também do planejamento da futura margem gengival. Tendo em vista a presença comum de defeitos anatômicos em pacientes edêntulos, este caso clínico teve como objetivo demonstrar a aplicação de uma técnica de correção de deficiências teciduais em zona estética, por meio de enxerto de tecido conjuntivo subeptelial rotacionado do palato. Um paciente de 39 anos de idade, com ausências nas regiões 11 e 21, foi submetido à fixação de dois implantes de hexágono externo pela técnica mediata. Na reabertura, foi planejado o enxerto de tecido conjuntivo pediculado (técnica do rolo modificada) para melhoria do suporte tecidual vestibular e favorecimento do perfil de emergência das coroas protéticas. Após cinco anos de acompanhamento, o enxerto de tecido conjuntivo subepitelial pediculado mostrou boa estabilidade na manutenção da espessura vestibular e margem peri-implantar. Este acompanhamento clínico de cinco anos permitiu concluir que o enxerto de tecido conjuntivo subepitelial pediculado pode promover e manter a melhoria do contorno tecidual em zona peri-implantar a longo prazo.


Implant-assisted oral rehabilitations require not only the planning of implant fixation within the bone tissue as well as planning for future soft tissue margin. Given the common presence of anatomical defects in edentulous patients, this clinical case aimed to demonstrate the application of a technique for correction of tissue defects in the esthetic zone, through the use of a subepithelial connective tissue graft rotated from the palate. A 39 years-old patient presented with partial edentulism at regions 11 and 21 was treated with two external hex dental implants. The second-stage surgery was planned and a pedicle tissue graft (modified roll technique) to improve the buccal tissue support and to enhance the emergence profile of prosthetic crowns was performed. After 5 years of follow-up, the graft still shows good stability maintaining labial thickness and the peri-implant margins. It can be concluded that the subepithelial connective tissue graft can promote and maintain tissue contours at the peri-implant zone over the long-term.


Subject(s)
Humans , Male , Adult , Alveolar Process , Connective Tissue , Dental Implants , Mouth Rehabilitation , Tissue Transplantation , Transplants
2.
Article in English | IMSEAR | ID: sea-174113

ABSTRACT

Clinical longevity of any prosthesis is directly related in achieving proper coronal contours. This involves close attention to detail between periodontal and prosthodontic principles during the fabrication of the prosthesis. If not done properly, iatrogenic problems may occur such as "food traps" from open contacts, overhangs, or plunging cusps. This leads to plaque accumulation, inflammation, bleeding, potential bone loss (periodontitis) thus leading to severe periodontal problems. If certain principles of placement of gingival margins and interproximal embrasures are not closely adhered to, an overcontoured restoration may act as a nidus in the rapid failure of the prosthesis.

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