Efficacy of maxillary occlusal splints on mobile posterior teeth in patients with stage III or IV periodontitis during steps 1 and 2 of periodontal therapy: a randomized parallel-controlled clinical trial.
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Abstract
Aim: The present study aims to assess the efficacy of elastic occlusal splints on mobile posterior teeth in patients with stage III or IV periodontitis during Steps 1 and 2 of periodontal therapy.
Materials and methods: Thirty-eight periodontitis patients, each with at least one mobile maxillary posterior tooth (mobility degree II or III), were randomly assigned to either the Splint group (n = 19), which received maxillary elastic occlusal splints, or the Control group (n = 19), without splints treatment. All patients received Steps 1 and 2 of periodontal therapy. Tooth mobility (TM), masticatory efficiency, probing depth (PD), evaluation of subjective comfort and other parameters were assessed at baseline (T0), 2 ~ 4 weeks (T1) and 6 ~ 8 weeks (T2) after the subgingival scaling. Masticatory efficiency was represented by optical density (OD). The subjective comfort score was recorded using a Visual Analogue Scale (VAS).
Results: The value of OD in the Splint group was significantly greater than that in the Control group from T0 to T2 (0.19 ± 0.08 versus 0.09 ± 0.09, p < 0.05) and from T1 to T2 (0.11 ± 0.06 versus 0.02 ± 0.06, p < 0.05). Compared with the Control group, patients in the Splint group experienced significantly greater reduction in TM of mobile posterior teeth throughout each treatment period, as well as a more pronounced decrease in PD from T0 to T2. The score of VAS was 8.34 ± 1.10 at T1 and 8.52 ± 0.91 at T2 with elastic occlusal splints.
Conclusion: The use of elastic occlusal splints as adjuncts during Steps 1 and 2 of periodontal therapy resulted in additional improvement of the masticatory efficiency of periodontitis patients, as well as the reduction of TM and PD of the mobile posterior teeth.
期刊介绍：
The journal Clinical Oral Investigations is a multidisciplinary, international forum for publication of research from all fields of oral medicine. The journal publishes original scientific articles and invited reviews which provide up-to-date results of basic and clinical studies in oral and maxillofacial science and medicine. The aim is to clarify the relevance of new results to modern practice, for an international readership. Coverage includes maxillofacial and oral surgery, prosthetics and restorative dentistry, operative dentistry, endodontics, periodontology, orthodontics, dental materials science, clinical trials, epidemiology, pedodontics, oral implant, preventive dentistiry, oral pathology, oral basic sciences and more.
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