980nm Diode Laser in the Treatment of Periodontal Disease in Cardiac Patients

Study Overview
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Brief Summary
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The study will cover 80 patients under 70 years of age. Initially they will be assigned to three groups: patients generally healthy with periodontitis (P), patients after myocardial infarction with periodontitis (CP) and patients generally healthy with a healthy periodontium (H). Periodontal examination will be performed before treatment, 2 weeks and 3 months after the treatment with a Williams probe calibrated at intervals 1-2-3-5-7-8-9-10mm. Pocket depth (PD), clinical loss of the attachment (CAL) bleeding on probing (BOP), plaque control record (PCR) measurements will be performed. Clinical data will be collected at six sites per tooth (mesiobuccal, midbuccal, distobuccal, mesiolingual, midlingual, and distolingual) of the designated study teeth. PD will be measured in millimeters from the free gingival margin to the base of the probable pocket using a periodontal probe. The presence of BOP will be determined as being present or absent (+/-) within 30 seconds after probing. CAL will be defined as the distance from the cementoenamel junction to t the base of the probable pocket . Patients within CP and P groups will be randomly assigned to one of the two groups (study group and control group) and an later visit will be scheduled. Before treatment, teeth will be rinsed and the study areas will be isolated with cotton rolls and dried gently. Supragingival plaque will then be removed with a sterile curret without coming into contact with the gingiva. GCF samples will be collected from the deepest single root tooth pockets previously identified. The sample will be collected from the deepest pocket using the Periopaper strips (OraflowInc., USA). Before collecting the material, the teeth will be insulated with cotton swabs. The teeth will then be dried with air. The strips will be placed in pockets until a slight resistance is perceived, and they will be left in place for 30 seconds and then transferred to Periotron 8000 (OraflowInc., USA) for the determination of fluid volume. Strips contaminated by bleeding will be discarded. Next, each strip will be inserted into the Eppendorff tube and sent to the laboratory at the Medical Analytics Department of PUM in Szczecin for further analysis. The volume of the gingival fluid will be given in μl, in accordance with the conversion of values displayed as a reading on the device. The microbiological examination (via Real-PCR method) for the presence of pathogenic bacteria for periodontium will be performed using commercial standard sets PET-MIP deluxe ® (MIP Pharma). Samples will be taken from the patient's deepest periodontal pocket. After isolation of the examined tooth from the access of saliva, sterile paper will be placed inside the pocket for 10 seconds following transfer to the transport containers included in the PET-Mip deluxe ® kits and sent to the MIP-Pharma laboratory in St. Ingbert in Germany. In the control and study group, supra and subgingival scaling and root smoothing with Gracey currets will be performed. Individual oral hygiene instructions will also be given to each patient. In addition laser therapy of the pockets with a 980nm diode laser will be carried out in the study group. The levels of TC, LDL, HDL, TG, hsCRP, leukocytes, fibrinogen, OB, IL-6, AST, ALT in the peripheral blood will be marked three times (before treatment, 2 weeks and 3 months post treatment). For this purpose, the blood will be taken from the superficial veins of the forearm and sent for further analysis at the Medical Analytics Department of PUM in Szczecin.

Detailed Description
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The study will cover 80patients under 70 years of age. Initially they will be assigned to three groups: patients generally healthy with periodontitis (P), patients after myocardial infarction with periodontitis (CP) and patients generally healthy with a healthy periodontium (H). Periodontal examination will be performed before treatment, 2 weeks and 3 months after the treatment with a Williams probe calibrated at intervals 1-2-3-5-7-8-9-10mm. Pocket depth (PD), clinical loss of the attachment (CAL) bleeding on probing (BOP), plaque control record (PCR) measurements will be performed. Clinical data will be collected at six sites per tooth (mesiobuccal, midbuccal, distobuccal, mesiolingual, midlingual, and distolingual) of the designated study teeth. PD will be measured in millimeters from the free gingival margin to the base of the probable pocket using a periodontal probe. The presence of BOP will be determined as being present or absent (+/-) within 30 seconds after probing. CAL will be defined as the distance from the cementoenamel junction to t the base of the probable pocket . Patients within CP and P groups will be randomly assigned to one of the two groups (study group and control group) and an later visit will be scheduled. Before treatment, teeth will be rinsed and the study areas will be isolated with cotton rolls and dried gently. Supragingival plaque will then be removed with a sterile curret without coming into contact with the gingiva. GCF samples will be collected from the deepest single root tooth pockets previously identified. The sample will be collected from the deepest pocket using the Periopaper strips (OraflowInc., USA). Before collecting the material, the teeth will be insulated with cotton swabs. The teeth will then be dried with air. The strips will be placed in pockets until a slight resistance is perceived, and they will be left in place for 30 seconds and then transferred to Periotron 8000 (OraflowInc., USA) for the determination of fluid volume. Strips contaminated by bleeding will be discarded. Next, each strip will be inserted into the Eppendorff tube and sent to the laboratory at the Medical Analytics Department of PUM in Szczecin for further analysis. The volume of the gingival fluid will be given in μl, in accordance with the conversion of values displayed as a reading on the device. The microbiological examination (via Real-PCR method) for the presence of pathogenic bacteria for periodontium will be performed using commercial standard sets PET-MIP deluxe ® (MIP Pharma). Samples will be taken from the patient's deepest periodontal pocket. After isolation of the examined tooth from the access of saliva, sterile paper will be placed inside the pocket for 10 seconds following transfer to the transport containers included in the PET-Mip deluxe ® kits and sent to the MIP-Pharma laboratory in St. Ingbert in Germany. In the control and study group, supra and subgingival scaling and root smoothing with Gracey currets will be performed. Individual oral hygiene instructions will also be given to each patient. In addition laser therapy of the pockets with a 980nm diode laser will be carried out in the study group. The levels of TC, LDL, HDL, TG, hsCRP, leukocytes, fibrinogen, OB, IL-6, AST, ALT in the peripheral blood will be marked three times (before treatment, 2 weeks and 3 months post treatment). For this purpose, the blood will be taken from the superficial veins of the forearm and sent for further analysis at the Medical Analytics Department of PUM in Szczecin.

Official Title
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The Effect of Periodontal Treatment With 980nm Diode Laser on the State of Periodontium and Inflammatory Markers in Generally Healthy Patients and Patients After Myocardial Infarction

Conditions
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Myocardial Infarction, Periodontal Diseases

Intervention / Treatment
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* Device: diode laser 980nm
* Device: scaling root planing


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: 1. myocardial infarction treated with primary coronary angioplasty in the last 6 months, 2. age <65 years 3. Periodontitis diagnosed according to Page criterion - ≥ 2 tooth surfaces on interprimimal spaces with a loss of CAL≥4mm (not for the same tooth) ≥2 tooth surface in the interpharmal space with PD≥4mm positive bleeding on probing test (BOP) 4. signed informed consent Exclusion Criteria: Acute inflammation of the airways or urinary tract Neoplasmas Rheumatic diseases Autoimmune diseases Chronic liver disease Chronic kidney failure 4. and 5. stage History of a stroke or TIA Lack of consent for participation in the study Antibiotic therapy in the last 12 months Periodontal treatment in the last 6 months Participation in other studies

Ages Eligible for Study
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Minimum Age: 35 Years
Maximum Age: 70 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Placebo Comparator: skaling root planing<br> | Device: scaling root planing<br>* scaling and root planing<br>|
| Active Comparator: skaling root planing and diode laser<br> | Device: diode laser 980nm<br>* Procedure: Periodontal therapy with laser Scaling, root planning, oral hygiene instruction and diode laser 980nm treatment of periodontal pockets<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| PD | periodontal pocket depht | up to 3 months | 
| Bacterial count | level in periodontal pocket | up to 3 months | 
| hsCRP | level in serum | up to 3 months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| CAL | clinical attachment level | december 2019 | 
| BOP | bleeding on probing | up to 3 months | 
| elastase | level in serum and gingival fluid | up to 3 months | 
| fibrynogen | level in serum | up to 3 months | 
| Il-6 | level in serum and gingival fluid | up to 3 months | 
| glucose | level in serum | up to 3 months | 
| HDL | level in serum | up to 3 months | 
| LDL | level in serum | up to 3 months | 
| TCH | level in serum | up to 3 months | 
| TG | level in serum | up to 3 months | 
| AST | level in serum | up to 3 months | 
| ALT | level in serum | up to 3 months | 
| GCF | gingival cervicular fluid | up to 3 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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periodontitis, diode laser, Myocardial infarction