Nova Southeastern University
Treatment of intra-bony defects is challenging and requires extensive knowledge of the etiology, anatomy, occlusion, and available biomaterials that can be used to treat this kind of defects. Patients who received scaling and root planing at the college of dental medicine due to periodontal disease, will be screened for inclusion. Only subjects who showed persistent deep probing depth associated with an intrabony defect will be included and will be randomly allocated to one of two treatment groups. One group will be treated using recombinant human platelet derived growth factor (GEM-21) (test) added to allogenic bone graft, second group will be treated using enamel matrix derivatives (EMD) (control) with allograft. Both groups will be treated using the same surgical protocol. Patients will be followed up for a period of 6 months and 12 months, before getting re-evaluated for assessing the effectiveness of the applied therapies.
Alveolar bone crest is considered normal when it is found at a distance of 0.4- 1.97mm from the cementoenamel junction (CEJ) of the tooth. Chronic inflammation resulting from periodontal disease (PD) may lead to change in this architecture and formation of osseous defects. The variation in the form of these defects may be influenced by the occlusal stresses that the tooth is subjected to or the original form of the alveolar process in a localized area. While Glickman chose to classify the osseous defects into "Osseous craters, intra-bony defects, bulbous osseous contours, hemi-septa, inconsis…
Inclusion Criteria: * Age is 18 years old and older * Absence of relevant medical conditions * Availability for 6-month follow-up * Subjects who recently have received scaling and root planing due to periodontal disease * Single-rooted and multi-rooted teeth in either the maxilla or the mandible. * Presence of interdental periodontal pocket with PD ≥ 6 mm associated to an intra-bony component ranged from 3 to 6 mm. * Non-contained intra-bony defects (1-wall, 2-wall intra-bony defects) * Full-mouth plaque score (FMPS) and full-mouth bleeding score (FMBS) \<20% at surgery Exclusion Criteria:…
regenerative therapy
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