The study will be formed on two groups : the control group and the test group For both groups base line impressions will be taken before the surgery and a free gingival graft will be harvested from the palate and deepithelialized to obtain the free connective tissue graft then In the control group: the free connective tissue graft will be inserted through crestal pouch previously prepared using split thickness flap. In the test group The free connective tissue graft will be slided through apical vertical incision in the pontic area previously tunneled. Post operative casts will be obtained by taking impressions after three months and six months to evaluate the volumetric changes in the pontic area.
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volumetric changes at the pontic site
Timeframe: 6 months