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CTRI Number  CTRI/2018/03/012803 [Registered on: 23/03/2018] Trial Registered Retrospectively
Last Modified On: 14/03/2018
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Dentistry 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   EFFICACY OF TWO DIFFERENT LIGHT SOURCES ON CHRONIC PERIODONTITIS  
Scientific Title of Study   EFFICACY OF PHOTODYNAMIC THERAPY WITH TWO DIFFERENT WAVE LENGTH LIGHT SOURCES ON CHRONIC PERIODONTITIS – A CLINICO MICROBIOLOGICAL STUDY 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Atheena Surendran 
Designation  Post graduate student 
Affiliation  Rajiv gandhi university of health science, Bangalore 
Address  Sri hasanamba dental college and hospital, Vidyanagar, Hassan
Same as above
Hassan
KARNATAKA
573201
India 
Phone  9449035181  
Fax    
Email  atheena10@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Vivekananda MR 
Designation  Assisstant proffessor 
Affiliation  Rajiv gandhi university of health science, Bangalore 
Address  Sri hasanamba dental college and hospital, Vidyanagar, Hassan
Same as above
Hassan
KARNATAKA
573201
India 
Phone  9980843531  
Fax    
Email  vivekcodsperio@ymail.com  
 
Details of Contact Person
Public Query
 
Name  Atheena Surendran 
Designation  Post graduate student 
Affiliation  Rajiv gandhi university of health science, Bangalore 
Address  Sri hasanamba dental college and hospital, Vidyanagar, Hassan
same as above
Hassan
KARNATAKA
573201
India 
Phone  9449035181  
Fax    
Email  atheena10@gmail.com  
 
Source of Monetary or Material Support  
Sri hasanamba dental college and hospital, Hassan 
 
Primary Sponsor  
Name  Atheena Surendran 
Address  Post Graduate Student, Sri Hasanamba dental college and Hospital, Hassan, 
Type of Sponsor  Other [Self] 
 
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 
Atheena Surendran  Sri Hasanamba Dental college and Hospital  sri hasanamba dental college and hospital
Hassan
KARNATAKA 
9449035181
9449035181
atheena10@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Sri hasanamba dental college and hospital institutional ethical committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  Chronic periodontitis 
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  diode laser and erythrosine.Frequency- only once.Subjects will be recalled for review after 3 months.  In this randomized controlled clinical trial, 30 subjects were randomly assigned to three groups with 10 subjects in each groups they are, group A- SRP, group B- SRP+ Visible light +Erythrosine, group C- SRP+ Diode laser + Erythrosine.  
Intervention  LED and erythrosine. Frequency- only once.Subjects will be recalled for review after 3 months.  In this randomized controlled clinical trial, 30 subjects were randomly assigned to three groups with 10 subjects in each groups they are, group A- SRP, group B- SRP+ Visible light +Erythrosine, group C- SRP+ Diode laser + Erythrosine 
Comparator Agent  SRP ALONE. Frequency- only once.Subjects will be recalled for review after 3 months.  In this randomized controlled clinical trial, 30 subjects were randomly assigned to three groups with 10 subjects in each groups they are, group A- SRP, group B- SRP+ Visible light +Erythrosine, group C- SRP+ Diode laser + Erythrosine 
 
Inclusion Criteria  
Age From  35.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1) Subjects with at least 10 natural teeth present.
2) Subjects who had undergone no dental treatment in the previous 6 months.
3) Age between 35 and 60 year old.
4) Diagnosed with untreated chronic periodontitis clinically and radiographically
5) Probing pocket depth ≥ 5mm
6) Subjects who are willing to comply with the study protocol.
 
 
ExclusionCriteria 
Details  1) Pregnancy and lactation.
2) Subjects with systemic diseases.
3) Current smoking or smoking within last 10 years.
4) Administration of antibiotics or periodontal treatment in the previous 6 months.
5) Subjects who are known allergic to any type of light or dye.
6) Subjects who are not willing to comply with the study.
 
 
Method of Generating Random Sequence   Coin toss, Lottery, toss of dice, shuffling cards etc 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Probing pocket depth, Relative attachment level, Number of Porphyromonas gingivalis  Baseline, 3 months 
 
Secondary Outcome  
Outcome  TimePoints 
Gingival index, Papillary bleeding index, Plaque index  Baseline,3 months 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "30"
Final Enrollment numbers achieved (India)="30" 
Phase of Trial   Phase 1/ Phase 2 
Date of First Enrollment (India)   23/06/2017 
Date of Study Completion (India) 23/09/2017 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="0"
Months="3"
Days="12" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   None yet 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   EFFICACY OF PHOTODYNAMIC THERAPY WITH TWO DIFFERENT WAVE LENGTH LIGHT SOURCES ON CHRONIC PERIODONTITIS - A CLINICOMICROBIOLOGICAL STUDY

BACKGROUND AND OBJECTIVES: 

Periodontitis  is a multifactorial chronic inflammatory disease primarily of microbial origin, characterized by the destruction of the supporting structure of teeth. Most individuals require antibiotic therapy as an adjunct to mechanical
 debridement of biofilm for the management of the periodontal disease. This increase the risk of developing resistance and makes it difficult to use in other complicated diseases. Therefore, antimicrobial photodynamic therapy has been suggested as an alternative to eliminate the microbes in the subgingival region. Hence the present study aimed to evaluate the efficacy of photodynamic therapy with two different wavelength light sources ( LED 440-480 nm/ diodde laser- 810nm ) using erythrosine as phtosensitizer on chronic periodontitis.

Materials and methods:

In this randomized controlled clinical trial, 30 subjects were randomly assigned to three groups with 10 subjects in each groups they are, group A- SRP, group B- SRP+ Visible light +Erythrosine, group C- SRP+ Diode laser + Erythrosine. Clinical parameters like Plaque index (PI), Gingival index (GI), Papillary bleeding index (PBI), Probing pocket depth (PPD), and Relative attachment level (RAL) were assessed and quantification of Porphyromonas gingivalis had done using PCR. Subjects followed up for a period of 3 months.  Statistical analysis carried out using SPSS software version 20.

Results

There was a significant reduction in PI, GI, PBI, PPD and RAL in all three groups at the end of third month. Compared to other two groups, Group C showed enhanced reduction in all clinical parameters. Primary outcome measures PPD, RAL had sown a greater improvement in both LED/Diode laser group compared to scaling and root planing alone. Both intra group and inter group comparison did not show a statistically significant difference in Porphyromonas gingivalis counts in all the three groups and between the groups.But both intra group and inter group comparison did not show a statistically significant difference in all the three groups and between the groups.

Interpretation and conclusion: 

Use of antimicrobial photodynamic therapy using visible light/Diode laser as light source and erythrosine as photosensitizer enhanced the clinical outcomes up to three months. Hence it is a valuable adjunct to SRP in the treatment of chronic periodontitis. There is a great need to develop an evidence based approach of the use of photodynamic therapy for the treatment of periodontitis.

Key words: Photodynamic therapy, SRP, LED, Diode laser, Erythrosine, Porphyromonas gingivalis



 
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