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J Periodontol. 2015 Sep;86(9):1038-46. doi: 10.1902/jop.2015.150040. Epub 2015 Apr 30.

Change in the Gingival Margin Profile After the Single Flap Approach in Periodontal Intraosseous Defects.

Author information

1
Research Centre for the Study of Periodontal and Peri-Implant Diseases, University of Ferrara, Ferrara, Italy.
2
Operative Unit of Dentistry, University Hospital, Ferrara, Italy.
3
Department of Biomedical, Surgical, and Dental Sciences, University of Milan, Milan, Italy.
4
Institute for Inpatient Treatment and Scientific Studies Foundation, Ca' Granda Polyclinic, Milan, Italy.
5
Division of Periodontology, School of Dental Medicine, University of Connecticut Health Center, Farmington, CT.
6
Department of Periodontology, Institute of Odontology, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.

Abstract

BACKGROUND:

The aim of the present study is to evaluate the association of patient-related and site-specific factors, as well as the adopted treatment modality, with the change in buccal (bREC) and interdental (iREC) gingival recession observed at 6 months after treatment of periodontal intraosseous defects with the single flap approach (SFA).

METHODS:

Sixty-six patients contributing 74 intraosseous defects accessed with a buccal SFA and treated with different modalities were selected retrospectively. A two-level (patient and site) model was constructed, with the 6-month changes in bREC and iREC as the dependent variables.

RESULTS:

(1) Significant 6-month increases in bREC (-0.6 ± 0.7 mm) and iREC (-0.9 ± 1.1 mm) were observed. (2) bREC change was significantly predicted by presurgery interproximal probing depth (PD) and depth of osseous dehiscence at the buccal aspect. (3) iREC change was significantly predicted by presurgery interproximal PD and the treatment modality, with defects treated with SFA in combination with a graft material and a bioactive agent being less prone to iREC increase compared to defects treated with SFA alone.

CONCLUSIONS:

After buccal SFA, greater post-surgery increase in bREC must be expected for deep intraosseous defects associated with a buccal dehiscence. The combination of a graft material and a bioactive agent in adjunct to the SFA may limit the postoperative increase in iREC.

KEYWORDS:

Alveolar bone loss; gingival recession; periodontitis; reconstructive surgical procedures; surgical flaps; wound healing

PMID:
25927424
DOI:
10.1902/jop.2015.150040
[Indexed for MEDLINE]

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