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[A novel periodontal endoscopy-aided non-incisional periodontal regeneration technique：a case series study]
Jia-Hong Shi1, Jing-Wen Li, Li-Shan Jiang
1Department of Periodontology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University. Nanjing 210008, Jiangsu Province, China.
Purpose:
To investigate the effect of endoscopy-aided non-incisional periodontal regeneration technique (NIT) in the treatment of alveolar bone angular resorption.
Methods:
Thirteen patients with severe periodontitis(13 diseased teeth) were selected. All patients had alveolar bone angular resorption on adjacent surface. The patients received NIT treatment 6 weeks after periodontal primary therapy. The visualization of subgingival environment was acquired by the periodontal endoscopy. Following the removal of the subgingival plaque, calculus and intra-bony granulation tissue, bone grafting materials were placed into the intra-bony defects with the assistance of a delicate gingival protector. No flap was elevated and no sutures were applied. Probing depth (PD), gingival recession (GR), clinical attachment level (CAL), as well as radiographic parameters were evaluated at baseline and 2 years after treatment. SPSS 22.0 software package was used for data analysis.
Results:
At 2-years follow-up, an average CAL gain of (3.65±2.10) mm (P＜0.001), PD reduction of (4.42±1.66) mm (P＜0.001), and minimal increase in GR of (0.38±0.87) mm (P=0.25) were observed. Alveolar bone was significantly improved at 2-years follow-up on radiographs (P＜0.001).
Conclusions:
For angular resorption site of alveolar bone, NIT treatment can obtain good periodontal regeneration results without flap inversion.
