Australasian Dentist Magazine May June 2021

Category 88 Australasian Dentist Recession coverage with mucoderm® by the envelope technique clinical By Prof. Dr Adrian Kasaj, University of Mainz, Germany Fig 5: Rehydrated and trimmed mucoderm®is checked to fit into the defect; mucoderm®is placed over the roots by pulling it through the tissue tunnel Fig 1: Clinical view before treatment with mucoderm®; gingival recessions at teeth 23 and 24 Fig 6: The flap is repositioned over the mucoderm®matrix and sutured Fig 1: Gingival recession at tooth 13 before the treatment with mucoderm®; FST of a previous surgery for root coverage visible Fig 4: After the positioning of mucoderm®, the flap is fixed to completely cover the graft Fig 2: Preparation of roots by scaling and planning with sonic scaler Fig 7: Three months post-operative: previously exposed roots are significantly covered; in addition, the thickness of the marginal tissue has increased Fig 2: Mucoderm®is rehydrated and cut to shape for placement over the root Fig 5: Clinical situation three months after treatment: significant root coverage and increased thickness of marginal tissue Fig 3: Conditioning of roots with 24% EDTA gel for two minutes Fig 8: Clinical situation 12 months post-operative Fig 3: A sub epithelial pouch is prepared by a partial thickness incision; mucoderm®is placed in the pouch Fig 6: Situation after gingival plastic for levelling of the FST Fig 4: Sulcular incisions around teeth 22 to 25; a partial-thickness dissection by undermining the papillae using tunnelling instruments Covering of multiple recessions with mucoderm®by the tunnel technique Handling Tips For the tunnel technique a prolonged rehydration of the mucoderm® is recommended (ten to 20 minutes) – fixation of the matrix can be done with single button interrupted or cross-sutures