Estudo clínico da regeneração guiada com membrana de polidioxanona (PDO) intencionalmente exposta em alvéolos dentais após exodontia

RESUMO

Objetivo: avaliar a função da membrana Plenum Guide na preservação do tecido ósseo nos alvéolos dentais após o procedimento de exodontia. Material e métodos: foram analisados três grupos de voluntários que necessitavam de exodontia dos elementos posteriores inferiores, pré-molares ou molares. Estes foram separados em um grupo com cinco alvéolos dentais que não receberam nenhum material (GAP); um grupo com cinco alvéolos dentais que receberam a membrana Plenum Guide exposta em região intraoral (GAME); e um último grupo com também cinco alvéolos dentais que receberam a membrana Plenum Guide coberta por mucosa da cavidade oral (GAMC). Resultados: o GAMC apresentou maior formação de tecido ósseo, seguido pelo grupo GAME e, por fim, pelo grupo GAP. Conclusão: a membrana de PDO se mostrou eficaz para regeneração óssea guiada, estando ela exposta ou não.

Palavras-chave – Cirurgia bucal; Regeneração tecidual guiada; Implante dentário.

ABSTRACT

Objective: to evaluate the function of the Plenum Guide membrane in the preservation of bone tissue in the dental sockets after the extraction procedure. Material and methods: for this, a group of 15 volunteers who needed extraction of posterior teeth, premolars or molars, were analyzed and separated into a group that did not receive any material (GAP); a group that received the Plenum Guide membrane exposed in the intraoral region (GAME); and a last group that received the Plenum Guide membrane covered by oral cavity mucosa (GAMC). Results: the GAMC showed greater formation of bone tissue, followed by the GAME group and fi nally the GAP group. Conclusion: that the PDO membrane was effective for guided bone regeneration, whether it was exposed or not.

Key words – Oral surgery; Guided tissue regeneration; Dental implantation.

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