Bruxism, SleepNCT03749928
OstiSense Biosensor in Bruxism Reduction - A Clinical Study
A study testing OstiSense biosensor - active and OstiSensor biosensor - not activated in people with Bruxism, Sleep, run by University of California, San Francisco at 1 site in United States.
Trial summary
The overall objective of the clinical studies with the OstiSense biosensor tool will be to evaluate whether the use of the OstiSense biosensor tool significantly reduces the number of sleep bruxism events per night as well as the duration of those events for patients with bruxism.The product under investigation is the… Read more about this study
- Who is it for?
- Ages 18 to 65 yearsHealthy volunteers can take part
- Conditions the study is for
- Bruxism, Sleep
- What is being tested?
- OstiSense biosensor - active and OstiSensor biosensor - not activated
- Type of treatment
- Medical device
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 0 participants
- Where
- 1 siteUnited States
- Study dates
- Dec 2021to Dec 2022
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 65 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Who may be able to join
- age 18 to 65 years, in good general health
- the occlusion is stable with at least 8 lower teeth (including several lower front teeth)
- willing to comply with all study procedures and protocols
- must be able to read and understand English
- have an understanding of the study
- able to provide written informed consent in English
- willing to sign the "Authorization for Release of Personal Health Information and Use of Personally Unidentified Study Data for Research" form; data will only be used for research.
Who cannot join
- having acute temporo mandibular joint pain or a history of acute temporo mandibular joint pain
- having used a biofeedback tool for bruxism reduction before
- subjects not having a smart phone device
- subjects not willing to use their smart phone device for data collection related to their bruxism
- heavily crowed lower teeth (difficult to integrate a night guard)
- wearing complete dentures
Show all 13Show fewer
- show evidence of extremely poor oral hygiene
- subjects at extreme high caries risk
- subjects with pacemakers
- subjects suffering from systemic diseases, significant past or medical history with conditions that may affect oral health or oral flora (i.e. diabetes, HIV, heart conditions that require antibiotic prophylaxis),
- taking medications that may affect the oral flora or salivary flow (e.g. antibiotic use in the past three months, drugs associated with dry mouth / xerostomia [extreme high caries risk])
- other conditions that may decrease the likelihood of adhering to study protocol
- subjects who will leave the area and are unable to complete the study
Trial locations and contacts
1 site in 1 country.
United States1 site
UCSF School of Dentistry - Dental Offices in Bay Area
San Francisco, California, 94143
About this study
The overall objective of the clinical studies with the OstiSense biosensor tool will be to evaluate whether the use of the OstiSense biosensor tool significantly reduces the number of sleep bruxism events per night as well as the duration of those events for patients with bruxism.The product under investigation is the OstiSense biosensor with biofeedback for bruxism therapy. The sensor is integrated in a night-guard like device and registers the pressure created during a bruxism episode. If a predetermined pressure threshold is exceeded, the integrated vibration tool will be activated, and the vibrations will/should remind the wearer to stop clenching his jaws and relax his facial muscles. Due to this feedback, the number of bruxism episodes as well as clenching time per episode should be reduced. The sensor also identifies the time of grinding and the sleep stage of the patient.
Read the detailed description
Pilot Study:
30 subjects will be recruited for this pilot study. An oral exam will be performed to check for gingiva and tooth conditions as well as fulfilling inclusion and exclusion criteria as described below. Subjects will be randomly assigned to an active treatment or a control group. OstiSense biosensor feed back tool (night guards) will be delivered to the participant. First patient impressions about wearing comfort will be evaluated, chair side. Then the investigators will test the efficiency of the OstiSense biosensor feedback tool in reduction of numbers of bruxism episodes and reduction of the duration of bruxism episodes (primary outcome). These data will be collected also in order to achieve information for a sample size calculation for a larger subsequent clinical trial. The investigators will collect information about self-reported (or reported by sleeping partners in SB) reduced frequency of bruxism episodes. In addition, self-reported reduction in pain (facial pain, myofascial headache) (secondary outcome) is of interest. Visual pain scales and pain questionnaires will be used as validated instruments for subjective pain assessment.
Active Treatment Group:
Participants will be instructed to wear the biofeedback tool during the night/sleep. They will wear the biofeedback tool for 1 week with biofeedback turned off to record baseline activity. At the 1-week recall, the investigators will check for any comfort issues and will confirm accurate data recording. For 3 more weeks the biofeedback will stay turned off to collect further baseline data.
At the next recall (4-week recall) participants will be interviewed about any wear issues and will be asked to fill out the same questionnaire as used in phase 1 of the pilot study. The biofeedback mechanism will then be turned on (battery insertion). During this meeting subjects will be instructed to test the vibration mechanism by increasing their bite force until vibration occurs, and then to relax their muscles so that vibration stops. Subjects will be asked to repeat this procedure several times to get familiar with the active device and also to learn to relax their muscles when the feedback occurs during night bruxism..
Participants will wear the tool with biofeedback turned on during the night/sleep for 8 more weeks. They will be asked to return for a check after the first week (5-week recall) of the 8 weeks to identify any wear issues while the tool is turned on, and for checking the data recording function. At the end of 8 weeks, participants will be invited for a final recall visit 12-week recall). The same questionnaire will be provided, and feedback questions will be asked. All data about bruxism episodes will be collected from the smart device.
Control Group:
Participants in the control group will be treated, asked for feedback and receive questionnaires identical to the subjects in the active treatment group. The only difference will be that the biofeedback mechanism in the biofeedback night guard tool will always stay turned off. At the 1-week recall the investigators will check for any comfort issues and will confirm accurate data recording. After three weeks the investigators will again check on the participant, will identify any wear issues, ask for feedback and will check the data recording function (4-week recall). At the end of additional 8 weeks participants will be invited for a final recall visit (12-week recall). The questionnaire will be provided, and feedback questions will be asked. Data from the smart device about bruxism episodes will be collected.
- Conditions
- Bruxism, Sleep
- Being tested
- OstiSense biosensor - active, OstiSensor biosensor - not activated
- Keywords
- night guard, biofeedback, biosensor
- Medical subject headings
- Sleep Bruxism
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
OstiSense biosensor - activeDevice
The activated biofeedback back night guard will be used to reduce sleep bruxism
OstiSensor biosensor - not activatedDevice
A not-activated night guard will be used as control device
| Study group | Role | What they receive |
|---|---|---|
| OstiSense biosensor - active | Experimental | Participants will wear the biofeedback tool for 1 week with biofeedback turned off. After checking, for 3 more weeks the biofeedback will stay turned off. At 4-week recall the biofeedback mechanism will be turned on. Subjects will be instructed how to use the vibration mechanism. Participants will wear the tool with biofeedback turned on during the night/sleep for 8 more weeks. They will be asked to return for a check after the first week with biosensor turned on (5-week recall). At the end of 8 weeks, participants will be invited for a final recall visit (12-week recall). At points a questionnaire will be provided, and feedback questions will be asked. All data about bruxism episodes will be collected from the smart device. Receives: Device: OstiSense biosensor - active |
| OstiSensor biosensor - not activated | Placebo comparator | Participants in the control group will be treated, asked for feedback and receive questionnaires identical to the subjects in the active treatment group. The only difference will be that the biofeedback mechanism in the biofeedback night guard tool will always stay turned off. At the 1-week recall a check for any comfort issues will occur and accurate data recording will be confirmed. After three weeks the participant will be checked on, feedback will be requested and any wear issues will be identified, and the data recording function will be checked (4-week recall). At the end of additional 8 weeks participants will be invited for a final recall visit (12-week recall). A questionnaire will be provided, and feedback questions will be asked, data from the smart device about bruxism episodes will be collected. Receives: Device: OstiSensor biosensor - not activated |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in frequency of bruxism episodes
Evaluating how efficient the OstiSense biosensor tool is in changing the number of bruxism episodes
Measured: 8 weeks
Change in duration of bruxism episodes
Evaluating how efficient the OstiSense biosensor tool is in changing the duration of bruxism episodes
Measured: 8 weeks
Secondary outcomes (3)
Self-reported change in frequency of bruxism episodes
Self-reported (or reported by sleeping partners in SB) change in frequency of bruxism episodes
Measured: 8 weeks
Self-reported change in pain - change in pain level marked on a visual pain scale
Self-reported change in pain (facial pain, myofascial headache) assessed using a visual pain scale with 6 different pain levels indicated by 6 different smileys (from happy smiling to crying) and a pain severity scale from 0 to 10, which includes the smiley faces, with 0 as no pain, 1-2 slight pain, 3-4 mild, 5-6 moderate, 7-8 severe and 9-10 horrible pain
Measured: 8 weeks
Self-reported change in pain - change in yes/no answers on a pain questionnaire
Self-reported change in pain (facial pain, myofascial headache) using a pain questionnaires requiring yes and no answers to questions
Measured: 8 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Nov 2018
- Study startDec 2021 (estimated)
- Primary completionSep 2022 (estimated)
- Study completionDec 2022 (estimated)
Why it stopped: Study was not funded
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (23)Papers the sponsor has linked to this study.
- Other trials for Bruxism, SleepStudies of the same condition, open and under way.
- More trials run by University of California, San FranciscoThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind
- Who is masked
- Investigator
- Enrolment
- 0 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of California, San Francisco
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Peter Rechmann, DMD, PhD, Principal investigator, UCSF School of Dentistry
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03749928
- Sponsor's protocol ID
- P0533276
- Status last verified
- Mar 2022
- First submitted
- 12 Nov 2018
- Last updated
- 1 Apr 2022
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
- Individual data sharing
- No
Publications
Lobbezoo F, Ahlberg J, Glaros AG, Kato T, Koyano K, Lavigne GJ, de Leeuw R, Manfredini D, Svensson P, Winocur E. Bruxism defined and graded: an international consensus. J Oral Rehabil. 2013 Jan;40(1):2-4. doi: 10.1111/joor.12011. Epub 2012 Nov 4.
PubMed 23121262Carra MC, Huynh N, Lavigne G. Sleep bruxism: a comprehensive overview for the dental clinician interested in sleep medicine. Dent Clin North Am. 2012 Apr;56(2):387-413. doi: 10.1016/j.cden.2012.01.003.
PubMed 22480810Svensson P, Jadidi F, Arima T, Baad-Hansen L, Sessle BJ. Relationships between craniofacial pain and bruxism. J Oral Rehabil. 2008 Jul;35(7):524-47. doi: 10.1111/j.1365-2842.2008.01852.x.
PubMed 18557918de la Hoz-Aizpurua JL, Diaz-Alonso E, LaTouche-Arbizu R, Mesa-Jimenez J. Sleep bruxism. Conceptual review and update. Med Oral Patol Oral Cir Bucal. 2011 Mar 1;16(2):e231-8. doi: 10.4317/medoral.16.e231.
PubMed 21196839Koyano K, Tsukiyama Y, Ichiki R, Kuwata T. Assessment of bruxism in the clinic. J Oral Rehabil. 2008 Jul;35(7):495-508. doi: 10.1111/j.1365-2842.2008.01880.x.
PubMed 18557916Ilovar S, Zolger D, Castrillon E, Car J, Huckvale K. Biofeedback for treatment of awake and sleep bruxism in adults: systematic review protocol. Syst Rev. 2014 May 2;3:42. doi: 10.1186/2046-4053-3-42.
PubMed 24886985Lavigne GJ, Khoury S, Abe S, Yamaguchi T, Raphael K. Bruxism physiology and pathology: an overview for clinicians. J Oral Rehabil. 2008 Jul;35(7):476-94. doi: 10.1111/j.1365-2842.2008.01881.x.
PubMed 18557915Bowley JF, Stockstill JW, Pierce CJ. Reliability and validity of instrumentation used to record nocturnal clenching and/or grinding. J Orofac Pain. 1993 Fall;7(4):378-85.
PubMed 8118441Rivera-Morales WC, McCall WD Jr. Reliability of a portable electromyographic unit to measure bruxism. J Prosthet Dent. 1995 Feb;73(2):184-9. doi: 10.1016/s0022-3913(05)80160-x.
PubMed 7722935Hublin C, Kaprio J, Partinen M, Koskenvuo M. Sleep bruxism based on self-report in a nationwide twin cohort. J Sleep Res. 1998 Mar;7(1):61-7. doi: 10.1046/j.1365-2869.1998.00091.x.
PubMed 9613429Molina OF, dos Santos J Jr, Nelson SJ, Grossman E. Prevalence of modalities of headaches and bruxism among patients with craniomandibular disorder. Cranio. 1997 Oct;15(4):314-25. doi: 10.1080/08869634.1997.11746026.
PubMed 9481994Gavish A, Halachmi M, Winocur E, Gazit E. Oral habits and their association with signs and symptoms of temporomandibular disorders in adolescent girls. J Oral Rehabil. 2000 Jan;27(1):22-32. doi: 10.1046/j.1365-2842.2000.00484.x.
PubMed 10632840Lobbezoo F, van der Zaag J, van Selms MK, Hamburger HL, Naeije M. Principles for the management of bruxism. J Oral Rehabil. 2008 Jul;35(7):509-23. doi: 10.1111/j.1365-2842.2008.01853.x.
PubMed 18557917Jagger R. The effectiveness of occlusal splints for sleep bruxism. Evid Based Dent. 2008;9(1):23. doi: 10.1038/sj.ebd.6400569.
PubMed 18364692Macedo CR, Silva AB, Machado MA, Saconato H, Prado GF. Occlusal splints for treating sleep bruxism (tooth grinding). Cochrane Database Syst Rev. 2007 Oct 17;2007(4):CD005514. doi: 10.1002/14651858.CD005514.pub2.
PubMed 17943862
Study at a glance
From the registry record, last updated by the sponsor on 1 Apr 2022. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- OstiSense Biosensor in Bruxism Reduction - A Clinical Study
- ClinicalTrials.gov ID
- NCT03749928
- Acronym / sponsor ID
- P0533276
- Conditions
- Bruxism, Sleep
- Keywords
- night guard, biofeedback, biosensor
- Study type
- Interventional
- Recruitment status
- WithdrawnReason stopped: Study was not funded
- Enrolment
- 0 participants (actual)
- Lead sponsor
- University of California, San FranciscoUniversity, hospital or other
- Study start
- Dec 2021 (estimated)
- Primary completion
- Sep 2022 (estimated)
- Study completion
- Dec 2022 (estimated)
- First posted
- 21 Nov 2018 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The overall objective of the clinical studies with the OstiSense biosensor tool will be to evaluate whether the use of the OstiSense biosensor tool significantly reduces the number of sleep bruxism events per night as well as the duration of those events for patients with bruxism.The product under investigation is the OstiSense biosensor with biofeedback for bruxism therapy. The sensor is integrated in a night-guard like device and registers the pressure created during a bruxism episode. If a predetermined pressure threshold is exceeded, the integrated vibration tool will be activated, and the vibrations will/should remind the wearer to stop clenching his jaws and relax his facial muscles. Due to this feedback, the number of bruxism episodes as well as clenching time per episode should be reduced. The sensor also identifies the time of grinding and the sleep stage of the patient.
Detailed description
Pilot Study:
30 subjects will be recruited for this pilot study. An oral exam will be performed to check for gingiva and tooth conditions as well as fulfilling inclusion and exclusion criteria as described below. Subjects will be randomly assigned to an active treatment or a control group. OstiSense biosensor feed back tool (night guards) will be delivered to the participant. First patient impressions about wearing comfort will be evaluated, chair side. Then the investigators will test the efficiency of the OstiSense biosensor feedback tool in reduction of numbers of bruxism episodes and reduction of the duration of bruxism episodes (primary outcome). These data will be collected also in order to achieve information for a sample size calculation for a larger subsequent clinical trial. The investigators will collect information about self-reported (or reported by sleeping partners in SB) reduced frequency of bruxism episodes. In addition, self-reported reduction in pain (facial pain, myofascial headache) (secondary outcome) is of interest. Visual pain scales and pain questionnaires will be used as validated instruments for subjective pain assessment.
Active Treatment Group:
Participants will be instructed to wear the biofeedback tool during the night/sleep. They will wear the biofeedback tool for 1 week with biofeedback turned off to record baseline activity. At the 1-week recall, the investigators will check for any comfort issues and will confirm accurate data recording. For 3 more weeks the biofeedback will stay turned off to collect further baseline data.
At the next recall (4-week recall) participants will be interviewed about any wear issues and will be asked to fill out the same questionnaire as used in phase 1 of the pilot study. The biofeedback mechanism will then be turned on (battery insertion). During this meeting subjects will be instructed to test the vibration mechanism by increasing their bite force until vibration occurs, and then to relax their muscles so that vibration stops. Subjects will be asked to repeat this procedure several times to get familiar with the active device and also to learn to relax their muscles when the feedback occurs during night bruxism..
Participants will wear the tool with biofeedback turned on during the night/sleep for 8 more weeks. They will be asked to return for a check after the first week (5-week recall) of the 8 weeks to identify any wear issues while the tool is turned on, and for checking the data recording function. At the end of 8 weeks, participants will be invited for a final recall visit 12-week recall). The same questionnaire will be provided, and feedback questions will be asked. All data about bruxism episodes will be collected from the smart device.
Control Group:
Participants in the control group will be treated, asked for feedback and receive questionnaires identical to the subjects in the active treatment group. The only difference will be that the biofeedback mechanism in the biofeedback night guard tool will always stay turned off. At the 1-week recall the investigators will check for any comfort issues and will confirm accurate data recording. After three weeks the investigators will again check on the participant, will identify any wear issues, ask for feedback and will check the data recording function (4-week recall). At the end of additional 8 weeks participants will be invited for a final recall visit (12-week recall). The questionnaire will be provided, and feedback questions will be asked. Data from the smart device about bruxism episodes will be collected.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Single blind (investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| OstiSense biosensor - active | Experimental | Device: OstiSense biosensor - activeParticipants will wear the biofeedback tool for 1 week with biofeedback turned off. After checking, for 3 more weeks the biofeedback will stay turned off. At 4-week recall the biofeedback mechanism will be turned on. Subjects will be instructed how to use the vibration mechanism. Participants will wear the tool with biofeedback turned on during the night/sleep for 8 more weeks. They will be asked to return for a check after the first week with biosensor turned on (5-week recall). At the end of 8 weeks, participants will be invited for a final recall visit (12-week recall). At points a questionnaire will be provided, and feedback questions will be asked. All data about bruxism episodes will be collected from the smart device. |
| OstiSensor biosensor - not activated | Placebo comparator | Device: OstiSensor biosensor - not activatedParticipants in the control group will be treated, asked for feedback and receive questionnaires identical to the subjects in the active treatment group. The only difference will be that the biofeedback mechanism in the biofeedback night guard tool will always stay turned off. At the 1-week recall a check for any comfort issues will occur and accurate data recording will be confirmed. After three weeks the participant will be checked on, feedback will be requested and any wear issues will be identified, and the data recording function will be checked (4-week recall). At the end of additional 8 weeks participants will be invited for a final recall visit (12-week recall). A questionnaire will be provided, and feedback questions will be asked, data from the smart device about bruxism episodes will be collected. |
Who may qualify
- Ages
- 18 to 65 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- age 18 to 65 years, in good general health
- the occlusion is stable with at least 8 lower teeth (including several lower front teeth)
- willing to comply with all study procedures and protocols
- must be able to read and understand English
- have an understanding of the study
Key exclusion criteria (13 listed)
- having acute temporo mandibular joint pain or a history of acute temporo mandibular joint pain
- having used a biofeedback tool for bruxism reduction before
- subjects not having a smart phone device
- subjects not willing to use their smart phone device for data collection related to their bruxism
- heavily crowed lower teeth (difficult to integrate a night guard)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| OstiSense biosensor - activeThe activated biofeedback back night guard will be used to reduce sleep bruxism | Device | OstiSense biosensor - active |
| OstiSensor biosensor - not activatedA not-activated night guard will be used as control device | Device | OstiSensor biosensor - not activated |
Primary outcome
Change in frequency of bruxism episodes
Time frame: 8 weeks
Evaluating how efficient the OstiSense biosensor tool is in changing the number of bruxism episodes
Change in duration of bruxism episodes
Time frame: 8 weeks
Evaluating how efficient the OstiSense biosensor tool is in changing the duration of bruxism episodes
3 secondary outcomes
Self-reported change in frequency of bruxism episodes
Time frame: 8 weeks
Self-reported change in pain - change in pain level marked on a visual pain scale
Time frame: 8 weeks
Self-reported change in pain - change in yes/no answers on a pain questionnaire
Time frame: 8 weeks
Results and safety
The study was withdrawn before enrolling participants, so there are no results.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 1 Apr 2022.
- Background: PubMed 23121262Lobbezoo F, Ahlberg J, Glaros AG, Kato T, Koyano K, Lavigne GJ, de Leeuw R, Manfredini D, Svensson P, Winocur E. Bruxism defined and graded: an international consensus. J Oral Rehabil. 2013 Jan;40(1):2-4. doi: 10.1111/joor.12011. Epub 2012 Nov 4.
- Background: PubMed 22480810Carra MC, Huynh N, Lavigne G. Sleep bruxism: a comprehensive overview for the dental clinician interested in sleep medicine. Dent Clin North Am. 2012 Apr;56(2):387-413. doi: 10.1016/j.cden.2012.01.003.
- Background: PubMed 18557918Svensson P, Jadidi F, Arima T, Baad-Hansen L, Sessle BJ. Relationships between craniofacial pain and bruxism. J Oral Rehabil. 2008 Jul;35(7):524-47. doi: 10.1111/j.1365-2842.2008.01852.x.
- Background: PubMed 21196839de la Hoz-Aizpurua JL, Diaz-Alonso E, LaTouche-Arbizu R, Mesa-Jimenez J. Sleep bruxism. Conceptual review and update. Med Oral Patol Oral Cir Bucal. 2011 Mar 1;16(2):e231-8. doi: 10.4317/medoral.16.e231.
- Background: PubMed 18557916Koyano K, Tsukiyama Y, Ichiki R, Kuwata T. Assessment of bruxism in the clinic. J Oral Rehabil. 2008 Jul;35(7):495-508. doi: 10.1111/j.1365-2842.2008.01880.x.
- Background: PubMed 24886985Ilovar S, Zolger D, Castrillon E, Car J, Huckvale K. Biofeedback for treatment of awake and sleep bruxism in adults: systematic review protocol. Syst Rev. 2014 May 2;3:42. doi: 10.1186/2046-4053-3-42.
- Background: PubMed 18557915Lavigne GJ, Khoury S, Abe S, Yamaguchi T, Raphael K. Bruxism physiology and pathology: an overview for clinicians. J Oral Rehabil. 2008 Jul;35(7):476-94. doi: 10.1111/j.1365-2842.2008.01881.x.
- Background: PubMed 8118441Bowley JF, Stockstill JW, Pierce CJ. Reliability and validity of instrumentation used to record nocturnal clenching and/or grinding. J Orofac Pain. 1993 Fall;7(4):378-85.
- Background: PubMed 7722935Rivera-Morales WC, McCall WD Jr. Reliability of a portable electromyographic unit to measure bruxism. J Prosthet Dent. 1995 Feb;73(2):184-9. doi: 10.1016/s0022-3913(05)80160-x.
- Background: PubMed 9613429Hublin C, Kaprio J, Partinen M, Koskenvuo M. Sleep bruxism based on self-report in a nationwide twin cohort. J Sleep Res. 1998 Mar;7(1):61-7. doi: 10.1046/j.1365-2869.1998.00091.x.
- Background: PubMed 9481994Molina OF, dos Santos J Jr, Nelson SJ, Grossman E. Prevalence of modalities of headaches and bruxism among patients with craniomandibular disorder. Cranio. 1997 Oct;15(4):314-25. doi: 10.1080/08869634.1997.11746026.
- Background: PubMed 10632840Gavish A, Halachmi M, Winocur E, Gazit E. Oral habits and their association with signs and symptoms of temporomandibular disorders in adolescent girls. J Oral Rehabil. 2000 Jan;27(1):22-32. doi: 10.1046/j.1365-2842.2000.00484.x.
- Individual participant dataSharing planned: No
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Peter Rechmann, DMD, PhD principal investigator
UCSF School of Dentistry
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing OstiSense biosensor - active and OstiSensor biosensor - not activated in people with Bruxism, Sleep, run by University of California, San Francisco at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 13 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: withdrawn, as of the sponsor's last update on 1 Apr 2022. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was withdrawn before enrolling participants, so there are no results.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in frequency of bruxism episodes (time frame: 8 weeks). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03749928, which also lists 23 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 1 Apr 2022.