Dentoalveolar surgeryUse of Lincomycin-Impregnated Demineralized Freeze-Dried Bone Allograft in the Periodontal Defect After Third Molar Surgery
Section snippets
Materials and Methods
The original cohort included 20 subjects recruited from November 2011 to July 2012, in a split-mouth, randomized, single-blind, controlled clinical trial, at the maxillofacial surgery department (Shiraz University of Medical Science School of Dentistry, Shiraz, Iran). The inclusion criteria consisted of bilateral mandibular impacted M3s and risk factors for M2 periodontal defects after M3 removal: age 26 years or older and a fully impacted mesioangular or horizontal M3 position.8
The present
Results
The original cohort included 20 subjects, and a total of 40 M3 extraction sites were evaluated. The mean age ± standard deviation was 26.5 ± 1.9 years (range 25-30). Of the 20 subjects, 6 (30%) were men. The tooth-specific variables for the study groups (treatment and control) are summarized in Table 1. No statistically significant differences were found in the distribution of the study variables among the groups (P > .05). Clinical evaluation of the postoperative healing revealed an excellent
Discussion
Extraction of lower M3s can result in a periodontal defect at the distal aspect of the lower M2, characterized by an increased PD (distance from the free gingival margin to the bottom of the gingival sulcus), an increased attachment level (distance from the free gingival margin to the cementoenamel junction), and a decreased alveolar bone height.19
In such cases, a predictable method to minimize the risk of M2 periodontal defects is desired. This issue has been studied using a variety of
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2016, Journal of the American Dental AssociationCitation Excerpt :We included 7 articles for data analysis21,22,35-39; however, we selected only 6 studies21,22,35-38 to calculate WDCAL and only 6 studies21,22,36-39 to calculate WDPD. We excluded 1 study39 from WDCAL analysis, and we excluded 1 study35 from WDPD analysis because the investigators of these 2 studies35,39 did not provide the clinical information we required. The procedures used in these studies included osseous grafting, GTR, and combination technique (Table 121,22,35-39).
Conflict of Interest Disclosures: None of the authors reported any disclosures.