a comparative study to evaluate the pontic site soft tissue augmentation by partially de-epithelized connective tissue graft versus completely de-epithelized connective tissue graft (both grafts harvested from the hard palate). pontic site soft tissue augmentation allows the correction of soft tissue to allow proper fixed dental bridge fabrication (for esthetic and functional purposes)
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keratinized tissue thickness
Timeframe: time of enrollment, 3 and 6 months postoperative