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| Name | Class |
|---|---|
| German Research Foundation | OTHER |
The aim of the study is to evaluate the complication rate of 2 types of all-ceramic crowns in patients with or without bruxism.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Bruxism + lithium disilicate crown | Experimental | Participant with sleep bruxism receives a monolithic molar crown manufactured from lithium disilicate. |
|
| No bruxism + lithium disilicate crown | Experimental | Participant without sleep bruxism receives a monolithic molar crown manufactured from lithium disilicate. |
|
| Bruxism + zirconia crown | Experimental | Participant with sleep bruxism receives a monolithic molar crown manufactured from zirconia. |
|
| No bruxism + zirconia crown | Experimental | Participant without sleep bruxism receives a monolithic molar crown manufactured from zirconia. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Zirconia crowns (Prettau®) | Device | Monolithic zirconia molar crowns are, after randomization, placed in patients with or without bruxism |
|
| Measure | Description | Time Frame |
|---|---|---|
| Success of all-ceramic crowns as determined by complication rate | In this study, a complication is defined as any event happening at the study crown or the supporting tooth that requires a clinical intervention. | up to 5 years |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Brigitte Ohlmann, Prof. Dr. | Heidelberg University | Principal Investigator |
| Marc Schmitter, Prof. Dr. | University of Würzburg | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Prosthodontics, University of Heidelberg | Heidelberg | 69120 | Germany |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41967567 | Derived | Bomicke W, Schmitter M, Waldecker M, Handermann R, Labis C, Rammelsberg P, Ohlmann B. Ceramic crowns and sleep bruxism: 3-year results of a randomized controlled trial. J Dent. 2026 Jul;170:106691. doi: 10.1016/j.jdent.2026.106691. Epub 2026 Apr 10. | |
| 35348247 | Derived | Ohlmann B, Rathmann F, Bomicke W, Behnisch R, Rammelsberg P, Schmitter M. Validity of patient self-reports and clinical signs in the assessment of sleep bruxism based on home-recorded electromyographic/electrocardiographic data. J Oral Rehabil. 2022 Jul;49(7):720-728. doi: 10.1111/joor.13327. Epub 2022 Apr 11. |
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| ID | Term |
|---|---|
| D020186 | Sleep Bruxism |
| ID | Term |
|---|---|
| D002012 | Bruxism |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
| D020447 | Parasomnias |
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| lithium disilicate crowns (IPSe.max®) | Device | lithium disilicate molar crowns are, after randomization, placed in patients with or without bruxism |
|
| 34862565 | Derived | Ohlmann B, Bomicke W, Behnisch R, Rammelsberg P, Schmitter M. Variability of sleep bruxism-findings from consecutive nights of monitoring. Clin Oral Investig. 2022 Apr;26(4):3459-3466. doi: 10.1007/s00784-021-04314-8. Epub 2021 Dec 3. |
| 29777735 | Derived | Ohlmann B, Bomicke W, Habibi Y, Rammelsberg P, Schmitter M. Are there associations between sleep bruxism, chronic stress, and sleep quality? J Dent. 2018 Jul;74:101-106. doi: 10.1016/j.jdent.2018.05.007. Epub 2018 May 17. |
| D012893 |
| Sleep Wake Disorders |
| D009422 | Nervous System Diseases |
| D001523 | Mental Disorders |