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CTRI Number  CTRI/2025/05/086938 [Registered on: 14/05/2025] Trial Registered Prospectively
Last Modified On: 13/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia
Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparative clinical and immunological analysis of open flap debridement versus closed debridement using Er:YAG laser in Stage III grade B generalized periodontitis: A randomised controlled clinical trial 
Scientific Title of Study   Comparative clinical and immunological analysis of open flap debridement versus closed debridement using Er:YAG laser in Stage III grade B generalized periodontitis: A randomised controlled clinical trial 
Trial Acronym  Open debridement versus closed debridement 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Maj Azhar Khan 
Designation  Resident 
Affiliation  Army Dental Centre Research and Referral  
Address  Dept of Periodontology Army Dental Centre Research and Referral Dhaula Kuan New Delhi

South West
DELHI
110010
India 
Phone  9596605986  
Fax    
Email  dr.azhar.khan17@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Col T Prasanth 
Designation  HOD 
Affiliation  Army Dental Centre Research and Referral 
Address  Dept of Periodontology Army Dental Centre Research and Referral Dhaula Kuan New Delhi

South West
DELHI
110010
India 
Phone  8284851155  
Fax    
Email  tprasanthavin@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Maj Azhar Khan 
Designation  Resident 
Affiliation  Army Dental Centre Research and Referral  
Address  Dept of Periodontology Army Dental Centre Research and Referral Dhaula Kuan New Delhi

South West
DELHI
110010
India 
Phone  9596605986  
Fax    
Email  dr.azhar.khan17@gmail.com  
 
Source of Monetary or Material Support  
Department equipment fund , Army Dental Centre(Research and Referral), Dhaula kuan, New Delhi- 110010 
 
Primary Sponsor  
Name  Army Dental Centre Research and Referral Dhaula Kuan, New Delhi  
Address  Army Dental Centre R and R Dhaula Kuan Delhi 110010 
Type of Sponsor  Research institution and hospital 
 
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 
Maj Dr Azhar Khan   Army Dental Centre Research and Referral   Room 1C, Department of Periodontology, Army Dental Centre(Research and Referral) Dhaula Kuan, New Delhi-110010
South West
DELHI 
9596605986

dr.azhar.khan17@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Army Dental Centre Research and Referral   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Closed debridement of the arch with Er:YAG Laser 1 month after phase 1 periodontal therapy.   In the other half closed debridement with Er:YAG laser after 1 month of phase 1 periodontal therapy will be done. Laser will be used for subgingival calculus removal and pocket debridement. For calculus removal, laser will be used in contact mode at 100mJ, 20Hz and with chisel tip. For periodontal pocket debridement in the contact mode at 60mJ, 20Hz and 0.4x 17mm tip following which periodontal pocket disinfection will be done in contact mode at 40mJ, 20Hz with 0.4x17mm tip. 
Comparator Agent  Open flap debridement  in one half of the arch Full thickness much periosteal flap will be raised using Kirkland flap, root surface debridement will be done. 
 
Inclusion Criteria  
Age From  30.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  Patients with PPD equal to or greater than 5mm and equal to or less than 8mm in more than two non adjacent teeth affecting more than 30 percent of teeth. 
 
ExclusionCriteria 
Details  1. History of surgical and nonsurgical periodontal therapy in last 2yrs
2. Past or current tobacco users
3. Pregnant or Expecting or Lactating women
4. Full mouth bleeding score FMBS and Full mouth plaque score FMPS more than 10 percent after Phase I therapy
5. Patients who dont comply with the treatment protocol
6. Patients with co morbidities
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Case Record Numbers 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
1. Pocket probing depth
2. Clinical attachment level
3. Percentage of sites with bleeding on probing
 
Baseline, 3 and 6months  
 
Secondary Outcome  
Outcome  TimePoints 
TNF-alpha in GCF  Baseline and 6 months  
 
Target Sample Size   Total Sample Size="20"
Sample Size from India="20" 
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 4 
Date of First Enrollment (India)   02/06/2025 
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="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Open to Recruitment 
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   Patients with Stage III Grade B generalized periodontitis will be selected for split mouth study. After recording the baseline parameters randomization will be done and one arch will be allocated to be treated by open flap debridement and the other arch by closed debridement using Er:YAG laser. The parameters will be recorded again at 3 and 6 months.  
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