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CTRI Number  CTRI/2024/04/065969 [Registered on: 19/04/2024] Trial Registered Prospectively
Last Modified On: 06/06/2026
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Assessing the clinical severity and treating peri-implantitis surrounding dental implants in patients who recovered from COVID-19  
Scientific Title of Study   A clinical evaluation of severity and management of peri-implantitis around dental implant in post COVID 19 patients- Randomized control trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Mayank Singh 
Designation  Professor Junior Grade 
Affiliation  King Georges Medical University  
Address  6th floor, Department of Prosthodontics Crown and Bridge, New Dental building, Faculty of Dental Sciences, King Georges Medical University, Lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9794713840  
Fax    
Email  dr_mayank1983@yahoo.co.in  
 
Details of Contact Person
Scientific Query
 
Name  Lakshya Kumar  
Designation  Professor 
Affiliation  King Georges Medical University  
Address  6th floor, Department of Prosthodontics Crown and Bridge, New Dental building, Faculty of Dental Sciences, King Georges Medical University, Lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9412119778  
Fax    
Email  lakshya79@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Mayank Singh 
Designation  Professor Junior Grade 
Affiliation  King Georges Medical University  
Address  6th floor, Department of Prosthodontics Crown and Bridge, New Dental building, Faculty of Dental Sciences, King Georges Medical University, Lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9794713840  
Fax    
Email  dr_mayank1983@yahoo.co.in  
 
Source of Monetary or Material Support  
Department of Prosthodontics Crown and Bridge, Faculty of Dental Sciences, King Georges Medical University, Lucknow  
 
Primary Sponsor  
Name  Council of Science and Technology U P 
Address  203/84, Nabiullah Road Bans Mandi, Qaisar Bagh Lucknow Uttar Pradesh 226018 
Type of Sponsor  Research institution 
 
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 Mayank Singh  King Georges Medical University  PG Clinic, 6th floor, Department of Prosthodontics Crown and Bridges, New Dental Building, Faculty of Dental Sciences, King Georges Medical University, Lucknow
Lucknow
UTTAR PRADESH 
9794713840

dr_mayank1983@yahoo.co.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
King Georges Medical University Institutional Ethics Committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: T857||Infection and inflammatory reaction due to other internal prosthetic devices, implants and grafts,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Mechanical debridement with adjunct antimicrobial therapy  Following mechanical debridement with the help of a sterile ultrasonic scaler and titanium curettes. Patients will be given antimicrobial tetracycline gel in the peri-implant pocket depth. Post intervention follow up done upto 2 years  
Intervention  Mechanical debridement with adjunct laser therapy  Following mechanical debridement with the help of a sterile ultrasonic scaler and titanium curettes. After proper irrigation with the saline laser will be placed inside the gingival sulcus till the bottom slowly and left in situ for 2 minutes. After 3 minutes of placement, the peri-implant sites will be exposed to the laser for 10 s at each site. Following this follow will be done upto 2 years. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Post covid-19 healthy subjects will be recruited who have SPO2, Pulse rate, Blood pressure within standard limits.
Ability to understand the procedure and provide informed consent assessed by decision making capacity and approaches before being included in the study.
Diagnosis of peri-implantitis based on the soft tissue around the implant showing obvious inflammatory symptoms, bone loss revealed by X-ray examination and probable haemorrhage and suppuration.
At least 2 implant site with periodontal PD ≥4- 6 mm.
Plaque Index around the implant ≥ 2 points
Visible bleeding around the implant after probing.
CAL ≤ 3 mm. 
 
ExclusionCriteria 
Details  Current smoking habit with moderate or heavy smoking (more than 10 cigarettes per day) or chewing tobacco.
History of drug abuse or alcoholism within the past 5 years
Severe bruxism or clenching habit.
Significant untreated periodontal disease (grade III or IV), caries, or clinical or radiographic signs of infection within two adjacent tooth positions of implant area.
History of systemic disease that precludes standard dental implant therapy.
Past history of implant repair and failure over past 6 months. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. Clinical evaluation of Peri-implant plaque index (PI), BOP, PPD, CAL.
2. Radiographically evaluation of Marginal bone loss.
3. Evaluation of OPG levels in Peri-implant sulcular fluid (PISF). 
Upto 2 years 
 
Secondary Outcome  
Outcome  TimePoints 
1. Evaluation of implant stability by Resonance frequency test.
2. Evaluation of pink and white aesthetic score. 
Upto 2 years 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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 3/ Phase 4 
Date of First Enrollment (India)   01/05/2024 
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="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Open to Recruitment 
Recruitment Status of Trial (India)  Closed to Recruitment of Participants 
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
Modification(s)  
AIM AND OBJECTIVE:

The objectives of the study are to compare and evaluate the following parameters at predetermined time intervals.

ï‚· To evaluate and compare the effect of two different treatment modalities on peri-implant soft tissues, marginal bone loss, healing, implant stability and overall survival rate.
ï‚· To evaluate aesthetic outcomes and oral hygiene maintenance.
ï‚· To evaluate bone biomarker (OPG) between the two groups.
ï‚· Patient compliance and experience.

PLACE OF STUDY:

Department of Prosthodontics and Crown & Bridge, Faculty of Dental Sciences, King George’s Medical University, Lucknow, India.

MATERIALS AND METHODS:

A randomized controlled clinical trial of 6 month follows up period is designed in which approx. Sixty individuals (30 in the test-group and 30 in the control-group) will be derived from prosthodontics department of King George’s Medical University, Lucknow (U.P). Patient will be considered eligible according to predefined inclusion and exclusion criteria. This study will be carried out for 2 years along with the follow up of the patients. Informed consent will be taken from each patient who will be participating in the study. Ethical clearance will be obtained from the ethical committee. Randomisation will be done using computer generated sequence of random numbers and allocation will be done using sealed envelopes.
The treatment in two groups will be given as under-

(a) Test group: patients underwent mechanical debridement with adjunct laser therapy; and
(b) Control group: patients underwent mechanical debridement with adjunct antimicrobial therapy.


ASSESMENT OF CRITERIA FOR EVALUATION: -
I) Clinical Parameter:
i. Periimplant plaque index (PI)
ii. Bleeding on probing (BOP)
iii. Probing pocket depth (PPD) by using plastic probe at six sites of implant (mesio, disto, midbuccal, mesio, disto, mid lingual/palatal).
iv. Clinical attachment loss (CAL)
II) Implant stability / mobility:
By resonance frequency test/ percussion test.
III) Radiographic parameter:
Peri-implant marginal bone levels/crestal bone loss (CBL) at follow ups.
IV) Aesthetic outcomes:
Pink esthetic score
 White esthetic score
V) Healing and Pain at each follow up.
VI) Human Osteoprotegerin (OPG) ELISA test from Peri-implant sulcular fluid (PISF).

Statistical analysis-For the significant value of research data SPSS softwarewill be used.
 
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