Journal of Periodontal and Implant Science

Korean Academy of Periodontology (대한치주과학회)
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Clinical evaluation of root coverage in Miller class III/RT2 labial gingival recession treated with interdisciplinary periodontal-orthodontic therapy: a randomized controlled clinical trial

  • Sakshi Malhotra (Department of Periodontics, Post Graduate Institute of Dental Sciences) ;
  • Shikha Tewari (Department of Periodontics, Post Graduate Institute of Dental Sciences) ;
  • Rekha Sharma (Department of Orthodontics and Dentofacial Orthopaedics, Post Graduate Institute of Dental Sciences) ;
  • Rajinder Kumar Sharma (Department of Periodontics, Post Graduate Institute of Dental Sciences) ;
  • Nishi Tanwar (Department of Periodontics, Post Graduate Institute of Dental Sciences) ;
  • Ritika Arora (Department of Periodontics, Post Graduate Institute of Dental Sciences)
  • Received : 2022.10.13
  • Accepted : 2023.04.30
  • Published : 2024.08.31
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Abstract

Purpose: The aim of current study was to evaluate percentage root coverage (RC%) in isolated Miller class III/RT2 labial gingival recession (GR) associated with malaligned mandibular anteriors, using interdisciplinary periodontal-orthodontic treatment as compared to mucogingival surgery alone. Methods: Thirty-six systemically healthy patients having isolated Miller class III/RT2 GR with respect to malaligned mandibular anteriors, were randomly divided into test group: mucogingival surgery using subepithelial connective tissue graft followed by orthodontic treatment and control group: mucogingival surgery alone. Primary clinical parameters included (RC%), recession depth, keratinized tissue width, mid-labial clinical attachment level, interdental clinical attachment level (iCAL), periodontal phenotype (PP), gingival thickness (GT), root coverage esthetics score (RES) and hypersensitivity. Total duration of follow up was 12 months. Results: Mean RC% was significantly more achieved in test group (66.67%±40.82%) in comparison to control group (39.93%±31.41%) at the end of study (P=0.049). Further, complete root coverage was attained in 5/8 cases of test group versus 1/2 cases of control group after 3/12 months respectively. RES and hypersensitivity, showed statistically significant improvement after complete follow up period in both the groups. An ideal RES score of 10 was achieved in 4/7 cases of test group while in 1/2 cases of control group after 3/12 months respectively. Correlation analysis revealed significant negative correlation between RC% and iCAL. Correlation of RC% with GT and PP was non-significant. Conclusions: Interdisciplinary periodontal-orthodontic approach may be more beneficial in terms of achieving improved RC%, esthetic and resolution of hypersensitivity in the management of Miller class III/RT2 GR in malaligned mandibular anteriors.

Keywords

Acknowledgement

The authors acknowledge the "Post Graduate Institute of Dental Sciences, Rohtak" for providing all the facilities to conduct this study.

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