Periodontology

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Regenerative Treatments in Periodontology

Regenerative treatment of periodontally damaged teeth is a demanding task. In addition to appropriate surgical technique, control of the underlying periodontal pathology is required. A pre- and post-operative hygiene phase, combined with proper patient motivation are requirements for the therapeutic success.

Aims of regenerative treatment

Restoration of the complete tooth attachment apparatus with bone, cementum, and periodontal ligament
Prevention of long junctional epithelial down growth as a risk factor for later, renewed periodontitis
Long-term tooth retention
Postitive esthetic appearance

Volume retention by a stable matrix

Restoration of the tooth-attachment apparatus requires adequate space maintenance in the defect region, so that cementum, periodontal ligament, and bone can regenerate completely.

By employing Bio-Oss®, volumetric stability is maintained in the defect and the formation of durable hard-tissue is promoted. This gives long-term stability to the tooth attachment apparatus and creates the basis for good soft tissue aesthetics.

Bio-Oss^® and Bio-Oss Collagen^® in Periodontology - Properties

Optimal volume stability, even in severe defects, with subsequent long-term stabilization of the tooth attachment apparatus.
Promotion of bone regeneration through the natural osteoconductive properties of Bio-Oss®.

Indications for Bio-Oss^® and Bio-Oss Collagen^®

Filling of infrabony periodontal defects.
Filling of defects after root resection, apicoectomy, and cyctectomy.
Filling of periodontal defect in conjunction with products intended for Guided Tissue Regeneration (GTR) and Guided Bone Regeneration (GBR).

The larger the defect and the more unfavorable the morphology, the greater the importance of using a membrane.

Clinical & Radiographic documentation using Bio-Oss^® in Periodontal Defects
Case by Drs. Richardson and Mellonig

7mm infrabony pocket, tooth #21.

Infrabony defect grafted with
Bio-Oss®.

Six months post grafting.
Note defect fill.

Pre-op radiograph of infrabony defect.

Six month post-op radiograph. Note resolution of defect.

Clinical, Radiographic & Histologic documentation using Bio-Oss^® and Bio-Gide^® in Periodontal Defects
Case by Drs. Camelo M., Nevins M, Schenk R., et al.

Pre-op radiograph: 7 mm intrabony defect.

7 mm intrabony clinical defect.

7 months post-op: healthy soft tissue 2-3 mm probing depth.

7 months post-op radiograph: intrabony defect resolved.

Intrabony defect grafted with Bio-Oss® and covered with a Bio-Gide® membrane.

Higher magnification: ingrowth of new bone around and bridging Bio-Oss® particles.

Higher magnification: shows apical extent of junctional epithelium and coronal aspect of new attachment.

Histology at 7 months: Prior defect filled with new bone. Membrane still present (*). Epithelium coronal to membrane. New cementum adjacent to new bone with inserting collagen fibers.

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