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To evaluate the clinical effectiveness of chlorzoxazone in comparison to orphenadrine Citrate in relieving the orofacial pain in bruxers. Subjects and Methods: 60 patients above 15-years old complaining of orofacial and temporomandibular disorder/pain, with no history of chronic systemic illness, will be recruited. Patients will randomly be allocated into two groups (n=30): the first group will receive Relaxon (chlorzoxazone) twice daily for two weeks, while the second group will receive Norgesic (orphenadrine Citrate) twice daily for two weeks as well. Pain severity will be assessed by Visual Analogue Scale (VAS) at day 0, 7, and day 14. In addition, a temporomandibular joint (TMJ) evaluation form will be utilized to assess the TMJ parameters before and after initiation of the treatment protocol, i.e at 0 and 14 days. Non parametric statistical analysis will be conducted to explain the results using SPSS V29.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Chlorzoxazone Group | Active Comparator | Using Chlorzoxazone |
|
| Orphenadrine Citrate group | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chlorzoxazone | Drug | This group will receive Chlorzoxazone twice daily for two weeks |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Change From Baseline in Orofacial Pain Score in Bruxism Patients (n=30) as Measured by the Visual Analog Scale (VAS) in retaliation to adverse effect of each drug used. | From enrollment to the end of treatment at 2 weeks |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Noor R. Al-Hasani, PhD | Contact | 009647732977290 | noor.raouf@codental.uobaghdad.edu.iq |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| College of Dentistry | Recruiting | Baghdad | Iraq |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Result | Al-Ameri LT, Issa SB, Abd Marzook A, Hameed EK, Jasem NH. Efficacy of Chlorzoxazone versus Orphenadrine in the management of pain associated with cervical spondylosis. Rawal Medical Journal. 2018;43:488-490. | ||
| Result | ElBohy D, Ateyya H, Elkot SM. Dentist & pharmacist communication awareness about skeletal muscle relaxants; survey in Egypt. Archives of Pharmaceutical Sciences Ain Shams University. 2023;7:240-253. | ||
| 19492540 | Result | Manfredini D, Lobbezoo F. Role of psychosocial factors in the etiology of bruxism. J Orofac Pain. 2009 Spring;23(2):153-66. | |
| 33061557 |
| Label | URL |
|---|---|
| Related Info | View source |
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| ID | Term |
|---|---|
| D005157 | Facial Pain |
| D002012 | Bruxism |
| ID | Term |
|---|---|
| D010146 | Pain |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D002753 | Chlorzoxazone |
| D009966 | Orphenadrine |
| ID | Term |
|---|---|
| D001583 | Benzoxazoles |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
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| Orphenadrine Citrate |
| Drug |
This group will receive Orphenadrine Citrate twice daily for two weeks. |
|
| Result |
| Bussadori SK, Motta LJ, Horliana ACRT, Santos EM, Martimbianco ALC. The Current Trend in Management of Bruxism and Chronic Pain: An Overview of Systematic Reviews. J Pain Res. 2020 Sep 30;13:2413-2421. doi: 10.2147/JPR.S268114. eCollection 2020. |
| 39064299 | Result | Zielinski G, Pajak A, Wojcicki M. Global Prevalence of Sleep Bruxism and Awake Bruxism in Pediatric and Adult Populations: A Systematic Review and Meta-Analysis. J Clin Med. 2024 Jul 22;13(14):4259. doi: 10.3390/jcm13144259. |
| D014076 | Tooth Diseases |
| D009057 | Stomatognathic Diseases |
| D006184 | Habits |
| D001519 | Behavior |
| D005021 | Ethylamines |
| D000588 | Amines |
| D009930 | Organic Chemicals |
| D001559 | Benzhydryl Compounds |
| D001555 | Benzene Derivatives |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |