Ringkasan :
Aims: This study was undertaken to describe a new surgical approach (minimally invasive surgical technique, MIST) and to evaluate preliminarily its clinical performance and patient perception associated with the application of enamel matrix derivative (EMD) in the treatment of isolated deep intra-bony defects. Methods: Thirteen deep isolated intra-bony defects in 13 patients were surgically accessed with the MIST. This technique was designed to limit the mesio-distal flap extension and the corono-apical reflection in order to reduce the surgical trauma and increase flap stability. The incision of the defect-associated papilla was performed according to the principles of the papilla preservation techniques. EMD was applied on the debrided root surfaces. Stable primary closure of the flaps was obtained with internal modified mattress sutures. Surgery was performed with the aid of an operating microscope and microsurgical instruments. Clinical outcomes were collected at baseline and at 1 year. Intra-operative and post-operative patient perception was also recorded.

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