- Dr Mohini Daultani
Introduction
The treatment of localised edentulous area with ridge defects poses a challenging task for the dentist for prosthetic rehabilitation. (Fig 1a & Fig 1b)


Etiology of Loss of Alveolar Bone - Tissue defects can be caused because of many reasons, like:

Siebert’s Classification - Soft tissue defects can be classified as:

Many different techniques are available for predictable bone augmentation. A variety of factors such as quality and quantity of existing contiguous hard and soft tissues, systemic conditions and economic status of the patient play a important role in treatment planning, clinical outcome and prognosis. (Fig 2a & Fig 2b)


Tissue augmentation- Surgical techniques to enhance alveolar bone volume include:

This case report presents the surgical management of Seibert’s class I defect (bucco-lingual) using connective tissue graft by the envelope flap technique.
Case History

Patient reported to the clinic with a chief complaint of missing teeth. On intraoral examination, 22 and 23 were found to be missing with a soft tissue defect bucco-lingually. Radiological examination was done by means of an IOPA with 22,23.
The diagnosis was - Seibert’s Class I defect with 22,23. The soft tissue grafting technique was planned using connective tissue graft obtained from palate. The flap technique planned was envelope- flap technique under local anesthesia.
SURGICAL STEPS
Fig 3: Preoperative view with 22,23 with Seibert Class I defect.

Fig 4: Incision placed at crestal area

Fig 5: Flap reflection -split thickness flap

Fig 6: Template placed at donor site

Fig 7: Incision placed at donor site

Fig 8: Connective tissue graft obtained

Fig 9: Sutures placed at the donor site

Fig 10: Connective tissue graft placed at recipient site

Fig 11: Flap closed at recipient site

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