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CTRI Number  CTRI/2025/06/088488 [Registered on: 10/06/2025] Trial Registered Prospectively
Last Modified On: 07/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   The beneficial effect of added use of supragingival air polishing treatment with erythritol powder compared to normal SRP alone during phase 1 periodontal treatment 
Scientific Title of Study   The efficacy of adjunct use of supragingival air polishing therapy with erythritol powder compared to conventional SRP alone during phase 1 periodontal therapy  
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Swathi D 
Designation  MDS Postgraduate  
Affiliation  Sri Ramachandra Dental College and Hospital  
Address  Room no .5 Department of Periodontology SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH 1 Mount Poonamallee Rd Sri Ramachandra nagar Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9071946580  
Fax    
Email  swathideva62@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Deepak Moses Ravindran 
Designation  Associate Professor 
Affiliation  Sri Ramachandra Dental College and Hospital 
Address  Room no.5 Department of Periodontology SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH 1 Mount Poonamallee Rd Sri Ramachandra nagar Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9841311211  
Fax    
Email  deepak_perio@sriramachandra.edu.in  
 
Details of Contact Person
Public Query
 
Name  Dr Deepak Moses Ravindran 
Designation  Associate Professor 
Affiliation  Sri Ramachandra Dental College and Hospital 
Address  Room no.5 Department of Periodontology SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH 1 Mount Poonamallee Rd Sri Ramachandra nagar Porur Chennai

Chennai
TAMIL NADU
600116
India 
Phone  9841311211  
Fax    
Email  deepak_perio@sriramachandra.edu.in  
 
Source of Monetary or Material Support  
NILSRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH 1 Mount Poonamallee Rd Sri Ramachandra nagar Porur Chennai 
 
Primary Sponsor  
Name  Sri Ramachandra Institute of Higher Education and Research  
Address  Room no 5 Department of Periodontology Sri Ramachandra Institute of Higher Education and Research 1 Mount Poonamallee Rd Sri Ramachandra Nagar Iyyappanthangal Chennai Tamil Nadu 
Type of Sponsor  Other [Dental College and research institute] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
DR DEEPAK MOSES RAVINDRAN  SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH  SRI RAMACHANDRA INSTITUTE OF HIGHER EDUCATION AND RESEARCH 1 Mount Poonamallee Rd Sri Ramachandra nagar Porur Chennai
Chennai
TAMIL NADU 
9841311211

deepak_perio@sriramachandra.edu.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee SRU  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Approved/Obtained 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K053||Chronic periodontitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Conventional therapy  Scaling and Root planning 
Intervention  Erythritol powder and SRP  Erythritol powder in adjunct with Scaling and root planning 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Patients with periodontitis had completed comprehensive periodontal therapy at least three months and were in their maintenance period.
2. Periodontal PD not more than 5 mm.
3. Remaining more than 20 teeth.
4. Without systemic disease.
5. No smoking.
 
 
ExclusionCriteria 
Details  1. Subjects who use tobacco in any form.
2. Subjects who have periodontal disease and are undergoing orthodontic treatment previously underwent maxillofacial surgery.
3. Subjects who have taken antibiotics in the past 6 months.
4. Subjects who Have taken analgesics in past 1week.
5. Pregnant and lactating women.
6. Subjects with a previous history of surgical periodontal therapy
7. Patients unable to maintain sufficient oral hygiene were also excluded from the study.
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To assess the reduction in bleeding on probing, Clinical attachment loss and Pocket probing Depth.  Baseline and 3 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
Reduction in microbial(Porphyromonas gingivalis) load   Baseline and 3 weeks 
 
Target Sample Size   Total Sample Size="24"
Sample Size from India="24" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   Phase 2 
Date of First Enrollment (India)   24/06/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="3"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   A total of 12 patients with Grade 2 periodontitis  were choosen for this split mouth study, randomly quadrants were selected for test and control groups in this single centred, clinical trial. Each group including 12 quadrants were randomly selected for test and control group. Test group will be  treated with scaling and root planning with erythritol powder supragingival air polishing as adjunct.Control group will be treated with Scaling and root planning alone. Every patient who satisfies the requirements for inclusion will be progressively included to the experiment . Using an envelope system and a computer generated table, Each patient will be randomly assigned to receive either the test group (scaling and root planning with erythritol powder supragingival air polishing as adjunct) and Control group(Scaling and root planning alone). Patients in the test group will be treated with conventional SRP with supragingival erythritol air polishing device using Prophyjet air polishing device for 5 seconds  each tooth. To assess the changes in the clinical periodontal parameters( Bleeding on probing, plaque index, Probing depth, clinical attachment loss and PISA) and microbial analysis using plaque samples at baseline and 3 weeks follow up period. The non- surgical periodontal therapy for the assigned patients will be performed in the department of periodontology, prior to therapy, all study participants underwent a comprehensive diagnostic evaluation that comprised a radiograph of the afflicted area, intraoral photos, and routine blood parameter checks, bleeding time, clotting time .A comprehensive oral prophylaxis were then carried out . The modified plaque index( Silness and Loe, 1964) , the modified sulcus bleeding index ( Mombelli et al., 1987 ) will be done to quantify oral hygiene at baseline for all the patients prior to oral prophylaxis. Using the UNC-15 probe, the probing pocket depth and clinical attachment loss will be assessed. Clinical parameters( Bleeding on probing, plaque index, Probing depth, clinical attachment loss and PISA) and microbial analysis will be assessed at baseline and 4 weeks following the initial instrumentation. 
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