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The trial aims to evaluate the effects of prescribing antibiotics after tooth extraction. 152 dental patients aged 18 to 50 will be randomly assigned. The study will assess infection rates, healing times, pain, and adverse effects in patients who receive antibiotics versus those who do not. The trial will be conducted at the Oral and Maxillofacial Surgery Department, Dental Unit, Chittagong Medical College. Data analysis will involve the use of the χ²-test, t-tests, and logistic regression, with a significance level of 5%. Ethical considerations include obtaining informed consent from all participants, and safety will be monitored by an independent expert team.
Antibiotics are commonly prescribed in dentistry as a prophylactic measure, particularly following tooth extraction which are overused and misused in dental practice, leading to a rise in antimicrobial resistance. By randomly assigning 152 dental patients aged between 18 to 50 years, this trial aims to evaluate the outcomes such as infection rates, healing times, pain and adverse effects of patients receiving antibiotics after tooth extraction versus those who do not. The study will be conducted at the Oral and Maxillofacial Surgery Department, Dental Unit, Chittagong Medical College.
Tooth extractions will be performed under aseptic conditions, followed by standard post-operative care. The intervention group will receive 625 mg amoxicillin with clavulanic acid three times daily for 7 days post-extraction, while the control group will not receive any antibiotic. Both groups will receive 400 mg ibuprofen and 20 mg omeprazole twice daily. Surgeons, patients and assessors will be blinded to group assignments, with a third party managing medication distribution. Clinical evaluations will occur on the 3rd, 7th, and 14th days post-extraction. The Landry wound healing index will be used to assess tissue healing and pain will be recorded using a visual analogue scale. Surgical Site Infection will be diagnosed based on specific clinical criteria. Any Adverse reactions will be monitored. Rescue Additional analgesia and antibiotics will be provided as needed.
Data analysis will be done using the χ²-test, t-tests and logistic regression, with a significance level of 5%. Ethical considerations include obtaining informed consent from all participants. An independent expert team will conduct safety monitoring to manage any adverse events. The results of this study could provide valuable insights for future clinical protocols in dental surgery and contribute to the broader public health goal of reducing unnecessary antibiotic use.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention Group-A: Administration of a specific antibiotic regimen post-extraction. | Experimental | Patients will be prescribed 625 mg of amoxicillin with combined clavulanic acid tablets three times a day after meals for 7 days following extraction and also a non-steroidal anti-inflammatory drug, 400 mg ibuprofen, and an H2 receptor blocker, 20 mg omeprazole, twice daily before meals. |
|
| Control Group-B: Administration of no antibiotic. | No Intervention | No post-operative antibiotics will be administered, patients will be prescribed a non-steroidal anti-inflammatory drug, 400 mg ibuprofen, and an H2 receptor blocker, 20 mg omeprazole, twice daily before meals. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 625 mg of amoxicillin with combined clavulanic acid tablet | Drug | The intervention group must take 625 mg of amoxicillin with combined clavulanic acid tablets three times a day after meals for 7 days following extraction. |
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of post-extraction infections | Surgical site infection will be diagnosed if the patient presents at least one of the following: A: Purulent drainage from the surgical wound or abscess. B: Isolation of pathogenic microorganisms in liquid or tissue cultures from the surgical site. C: Spontaneous opening of the incision site in patients with at least one of the following signs or symptoms: 1) fever (>38°C), 2) pain from palpation or spontaneous, 3) localized swelling, facial erythema or local heat. D: Severe pain after a week, together with moderate or severe inflammation or redness in the mouth and/or moderate or severe intraoral redness with no other apparent cause, that improves with antibiotic treatment. | 3rd, 7th, and 14th post-extraction day |
| Measure | Description | Time Frame |
|---|---|---|
| Healing time | The Landry wound healing index will be used to assess the tissue healing process at the surgical sites. The assessment will involve evaluating specific parameters such as tissue color, bleeding response to palpation, the presence of granulation tissue, the characteristics of the incision margins, and the presence of suppuration on the 3rd, 7th, and 14th days after the operation. The index classifies the healing pattern based on the color of the soft tissue (pink or red), the presence or absence of suppuration, the amount of bleeding, the presence of granulation tissue, and the exposure of connective tissue into five different categories: (1) very poor, (2) poor, (3) good, (4) very good, and (5) excellent |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Md Salim Uddin, BDS, MPhil | Contact | +8801817754980 | salim.bdscmc@gmail.com | |
| Manjur-E -Mahmud, BDS,FCPS | Contact | +8801716-409228 | manjuddc36@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Md Salim Uddin, BDS, MPhil | Chittagong Medical College | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chittagong Medical College | Chittagong | Bangladesh |
The study protocol will be available
August 15, 2025 to August 30, 2025
Researchers interested
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| ID | Term |
|---|---|
| D000658 | Amoxicillin |
| ID | Term |
|---|---|
| D000667 | Ampicillin |
| D010400 | Penicillin G |
| D010406 | Penicillins |
| D047090 | beta-Lactams |
| D007769 |
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Intervention Group-A: Administration of a specific antibiotic regimen post-extraction.
Control Group-B: Administration of no antibiotic.
For group A, patients will be prescribed 625 mg of amoxicillin with combined clavulanic acid tablets three times a day after meals for 7 days following extraction. For group B, no post-operative antibiotics will be administered. Both groups will be given a non-steroidal anti-inflammatory drug, 400 mg ibuprofen, and an H2 receptor blocker, 20 mg omeprazole, twice daily before meals.
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The surgeon, patients and the outcome assessor will be blind for the duration of the study.
Participants: After teeth extraction, participants receive either the antibiotic or not without knowing which one they take.
Surgeon: The clinicians who prescribe and administer the medication will not know whether they are giving the antibiotic or not. This can be achieved by having a third-party individual prescribe and distribute the medications according to the randomization schedule.
Outcome Assessor: The individual assessing the outcomes (e.g., infection rates, healing times) will also be blinded to which treatment the participant received. This prevents bias in the evaluation of the treatment effects.
|
| 3rd, 7th, and 14th post-extraction day |
| Pain perception | Pain perception of the patients will be measured using a visual analogue scale (VAS) ranging from 0 (no pain) to 10 (excessive pain) on the follow-up days | 3rd, 7th, and 14th post-extraction day |
| Adverse reaction | We also evaluate adverse reactions related to the use of antibiotics, defined as follows: 1) Allergic reaction: urticaria and/or angioedema, 2) Anaphylaxis: throat or tongue swelling and/or respiratory symptoms. 3) Gastrointestinal reactions: nausea, vomiting, abdominal pain and diarrhea | 3rd, 7th, and 14th post-extraction day |
| Lactams |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D013457 | Sulfur Compounds |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |