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Tandon A, Singh BP, Shanker R, Agrawal KK, Mahour P, Tripathi S. Efficacy of occlusal splint versus sleep hygiene and progressive muscle relaxation on perceived stress and sleep bruxism: A randomized clinical trial. J Prosthodont 2024. [PMID: 39088703 DOI: 10.1111/jopr.13917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 07/11/2024] [Indexed: 08/03/2024] Open
Abstract
PURPOSE The objective was the comparison of an occlusal device (OD), and sleep hygiene and progressive muscle relaxation (SH & PMR) on perceived stress and sleep bruxism activity (burst/episode and episode/hour) in participants with sleep bruxism. MATERIAL AND METHODS Sixty-six participants with self-reported sleep bruxism were selected and randomly allocated into two groups: OD group or SH & PMR group. Assessment of perceived stress and sleep bruxism activity were the primary outcomes. The Perceived Stress Scale-10 (PSS-10 scale) was used to measure perceived stress and bruxism episodes/hour and bursts/episode recorded by electromyography of masseter and temporalis. These outcomes were assessed at baseline, 1 month, 6 months, and 1 year. The paired t-test assessed changes in PSS-10 scores and sleep bruxism activity within the same group over different time points (baseline, 1 month, 6 months, and 1 year). The unpaired t-test compared scores between two groups (OD and SH & PMR) at each time point to evaluate intervention differences. The chi-square test compared gender distribution between both groups. RESULTS PSS-10 scores were found to decrease with the OD at 1 month and 6 months compared to baseline and SH & PMR at all subsequent follow-ups. This decrease was not statistically significant (p > 0.05) between the OD and SH & PMR groups at all follow-ups. OD and SH & PMR significantly reduced bruxism episodes/hour and bursts/episode at all follow-ups (p < 0.05). There were no adverse effects related to any intervention. CONCLUSIONS The OD and SH & PMR both effectively reduced PSS-10 scores over 6 months and significantly decreased bruxism episodes and bursts per episode. Both methods are safe and effective for managing sleep bruxism and reducing stress.
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Affiliation(s)
- Ayushi Tandon
- Department of Prosthodontics, Crown & Bridge, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Balendra Pratap Singh
- Department of Prosthodontics, Crown & Bridge, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Rama Shanker
- Department of Prosthodontics, Crown & Bridge, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Kaushal Kishor Agrawal
- Department of Prosthodontics, Crown & Bridge, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - Pooja Mahour
- Department of Psychiatry, King George's Medical University, Lucknow, Uttar Pradesh, India
| | - SuryaKant Tripathi
- Department of Respiratory Medicine, King George's Medical University, Lucknow, Uttar Pradesh, India
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Bargellini A, Mannari E, Cugliari G, Deregibus A, Castroflorio T, Es Sebar L, Serino G, Roggia A, Scotti N. Short-Term Effects of 3D-Printed Occlusal Splints and Conventional Splints on Sleep Bruxism Activity: EMG-ECG Night Recordings of a Sample of Young Adults. J Clin Med 2024; 13:776. [PMID: 38337469 PMCID: PMC10856225 DOI: 10.3390/jcm13030776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
(1) Background: This study aims to compare the effects of 3D-printed splints and conventional manufactured splints on sleep bruxism (SB) EMG activity. (2) Methods: Twenty-six patients (19 M, 7 F, 25.8 ± 2.6 years) were randomly allocated to a study group (3D splints) and a control group (conventional manufactured splints) and followed for a period of three months with night EMG-ECG recordings. Samples of the involved materials were analyzed for nanoindentation. The outcomes of interest considered were the overall SB index, the total amount of surface masseter muscle activity (sMMA), and general and SB-related phasic and tonic contractions. A statistical evaluation was performed with a confidence interval (CI) between 2.5% and 97.5%. (3) Results: Differences between groups with OAs were observed for general tonic contraction (p = 0.0009), while differences between recording times were observed for general phasic contractions (p = 0.002) and general tonic contractions (p = 0.00001). Differences between recording times were observed for the total amount of sMMA (p = 0.01), for general phasic contractions (p = 0.0001), and for general tonic contractions (p = 0.000009) during night recordings without OAs. (4) Conclusions: Three-dimensional splints seem to have a higher impact on SB-related electromyographic activity but not on the overall sleep bruxism index. The more regular surfaces offered by 3D splints could be related to phasic contraction stabilization.
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Affiliation(s)
- Andrea Bargellini
- Department of Surgical Sciences, Specialization School of Orthodontics, Dental School, University of Torino, 10126 Torino, Italy; (A.B.); (A.D.); (T.C.)
- Department of Surgical Sciences, Gnathology Unit, Dental School, University of Torino, 10126 Torino, Italy
| | - Elena Mannari
- Department of Surgical Sciences, Dental School, University of Torino, 10126 Torino, Italy; (E.M.); (A.R.)
| | - Giovanni Cugliari
- Department of Medical Sciences, University of Torino, 10126 Torino, Italy;
| | - Andrea Deregibus
- Department of Surgical Sciences, Specialization School of Orthodontics, Dental School, University of Torino, 10126 Torino, Italy; (A.B.); (A.D.); (T.C.)
- Department of Surgical Sciences, Gnathology Unit, Dental School, University of Torino, 10126 Torino, Italy
| | - Tommaso Castroflorio
- Department of Surgical Sciences, Specialization School of Orthodontics, Dental School, University of Torino, 10126 Torino, Italy; (A.B.); (A.D.); (T.C.)
- Department of Surgical Sciences, Gnathology Unit, Dental School, University of Torino, 10126 Torino, Italy
| | - Leila Es Sebar
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Turin, Italy;
| | - Gianpaolo Serino
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino, 10129 Turin, Italy;
- PolitoBioMedLab, Politecnico di Torino, 10129 Turin, Italy
| | - Andrea Roggia
- Department of Surgical Sciences, Dental School, University of Torino, 10126 Torino, Italy; (E.M.); (A.R.)
| | - Nicola Scotti
- Department of Surgical Sciences, Restorative Dentistry Unit, Dental School, University of Torino, 10126 Torino, Italy
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Bruxism’s Implications on Fixed Orthodontic Retainer Adhesion. Dent J (Basel) 2022; 10:dj10080141. [PMID: 36005239 PMCID: PMC9406861 DOI: 10.3390/dj10080141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/15/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022] Open
Abstract
Background: Fixed retainers assist in maintaining the outcomes of orthodontic treatment. Fixed retention may be affected by bruxism. Objective: Evaluate two adhesives (an ormocer and a flowable composite) used for fixed orthodontic retention in simulated bruxism settings, compared to regular mastication, using a dual axis chewing simulator. Methods: Eighty human teeth were used. Periodontal tissues were simulated and exposed to 120,000 mechanical cycles, corresponding to 6 months of clinical service. Each set of two teeth was supplied with a pre-shaped, fixed, multi-braided, stainless steel wire retainer, in 1.5 cm portions, to establish passive contact with the lingual surface of the teeth. The Adhesive Remnant Index (ARI) was used to evaluate the shear bond strength. A stereomicroscope was used to assess the micro-infiltration. Results: There was no significant difference in the mean value of micro-infiltration between adhesives in the mastication group but in the bruxism group. During testing, one composite sample (ARI score 1) was broken in the mastication group, while three ormocer samples (ARI score 2) and one composite sample (ARI score 1) were broken in the bruxism group. Conclusions: The mean value for micro-infiltration in composite (0.31) was more than double that in ormocer (0.13).
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