<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE trials [
<!ELEMENT trials (trial+)>

<!ELEMENT trial (main,contacts,countries,criteria,health_condition_code,health_condition_keyword,intervention_code,
          intervention_keyword,primary_outcome,secondary_outcome,secondary_sponsor,secondary_ids,source_support,ethics_reviews)>

<!ELEMENT main (trial_id,utrn?,reg_name,date_registration,primary_sponsor,public_title,acronym?,scientific_title,scientific_acronym?,
          date_enrolment,type_enrolment,target_size,recruitment_status,url?,study_type,study_design,phase,hc_freetext?,i_freetext?,results_actual_enrolment,results_date_completed,results_url_link,results_summary,           results_date_posted,results_date_first_publication,results_baseline_char,results_participant_flow,results_adverse_events,results_outcome_measures,results_url_protocol,results_IPD_plan, results_IPD_description)>
<!ELEMENT trial_id (#PCDATA)>
<!ELEMENT utrn (#PCDATA)>
<!ELEMENT reg_name (#PCDATA)>
<!ELEMENT date_registration (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT primary_sponsor (#PCDATA)>
<!ELEMENT public_title (#PCDATA)>
<!ELEMENT acronym (#PCDATA)>
<!ELEMENT scientific_title (#PCDATA)>
<!ELEMENT scientific_acronym (#PCDATA)>
<!ELEMENT date_enrolment (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT type_enrolment (#PCDATA)>
<!ELEMENT target_size (#PCDATA)>
<!ELEMENT recruitment_status (#PCDATA)><!-- Pending,Recruiting,Suspended,Complete,Other -->
<!ELEMENT url (#PCDATA)>
<!ELEMENT study_type (#PCDATA)><!-- interventional,observational -->
<!ELEMENT study_design (#PCDATA)>
<!ELEMENT phase (#PCDATA)>
<!ELEMENT hc_freetext (#PCDATA)>
<!ELEMENT i_freetext (#PCDATA)>
<!ELEMENT results_actual_enrolment (#PCDATA)>
<!ELEMENT results_date_completed (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_url_link (#PCDATA)>
<!ELEMENT results_summary (#PCDATA)>
<!ELEMENT results_date_posted (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_date_first_publication (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT results_baseline_char (#PCDATA)>
<!ELEMENT results_participant_flow (#PCDATA)>
<!ELEMENT results_adverse_events (#PCDATA)>
<!ELEMENT results_outcome_measures (#PCDATA)>
<!ELEMENT results_url_protocol (#PCDATA)>
<!ELEMENT results_IPD_plan (#PCDATA)>
<!ELEMENT results_IPD_description (#PCDATA)>


<!ELEMENT contacts (contact+)>
<!ELEMENT contact (type,firstname,middlename,lastname,address,city,country1,zip,telephone,email,affiliation)>
<!ELEMENT type (#PCDATA)><!-- Public,Scientific -->
<!ELEMENT firstname (#PCDATA)>
<!ELEMENT middlename (#PCDATA)>
<!ELEMENT lastname (#PCDATA)>
<!ELEMENT address (#PCDATA)>
<!ELEMENT city (#PCDATA)>
<!ELEMENT country1 (#PCDATA)>
<!ELEMENT zip (#PCDATA)>
<!ELEMENT telephone (#PCDATA)>
<!ELEMENT email (#PCDATA)>
<!ELEMENT affiliation (#PCDATA)>

<!ELEMENT countries (country2+)>
<!ELEMENT country2 (#PCDATA)>

<!ELEMENT criteria (inclusion_criteria,agemin,agemax,gender,exclusion_criteria)>
<!ELEMENT inclusion_criteria (#PCDATA)>
<!ELEMENT agemin (#PCDATA)>
<!ELEMENT agemax (#PCDATA)>
<!ELEMENT gender (#PCDATA)>
<!ELEMENT exclusion_criteria (#PCDATA)>

<!ELEMENT health_condition_code (hc_code+)>
<!ELEMENT hc_code (#PCDATA)>

<!ELEMENT health_condition_keyword (hc_keyword+)>
<!ELEMENT hc_keyword (#PCDATA)>

<!ELEMENT intervention_code (i_code+)>
<!ELEMENT i_code (#PCDATA)>

<!ELEMENT intervention_keyword (i_keyword+)>
<!ELEMENT i_keyword (#PCDATA)>

<!ELEMENT primary_outcome (prim_outcome+)>
<!ELEMENT prim_outcome (#PCDATA)>

<!ELEMENT secondary_outcome (sec_outcome+)>
<!ELEMENT sec_outcome (#PCDATA)>

<!ELEMENT secondary_sponsor (sponsor_name+)>
<!ELEMENT sponsor_name (#PCDATA)>

<!ELEMENT secondary_ids (secondary_id+)>
<!ELEMENT secondary_id (sec_id,issuing_authority)>
<!ELEMENT sec_id (#PCDATA)>
<!ELEMENT issuing_authority (#PCDATA)>

<!ELEMENT source_support (source_name+)>
<!ELEMENT source_name (#PCDATA)>

<!ELEMENT ethics_reviews (ethics_review+)>
<!ELEMENT ethics_review (status,approval_date,contact_name,contact_address,contact_phone,contact_email)>
<!ELEMENT status (#PCDATA)><!-- Not approved,Approved,NA -->
<!ELEMENT approval_date (#PCDATA)><!-- dd/mm/yyyy -->
<!ELEMENT contact_name (#PCDATA)>
<!ELEMENT contact_address (#PCDATA)>
<!ELEMENT contact_phone (#PCDATA)>
<!ELEMENT contact_email (#PCDATA)>
]>
<trials>
  <trial>
    <main>
      <trial_id>IRCT201204289582N1</trial_id>
      <utrn></utrn>
      <reg_name>IRCT</reg_name>
      <date_registration>2013-12-02</date_registration>
      <primary_sponsor>Dental School, Tehran Islamic Azad University</primary_sponsor>
      <public_title>Effect of mouthwash on gingival disease</public_title>
      <acronym></acronym>
      <scientific_title>Comparative evaluation of salivary substantivity and antiplaque efficacy of mouthwashes containing chlorhexidine, cetylpyridinium chloride and Salvarora Persica in gingivitis patients</scientific_title>
      <scientific_acronym></scientific_acronym>
      <date_enrolment>2012-12-06</date_enrolment>
      <type_enrolment>anticipated</type_enrolment>
      <target_size>16</target_size>
      <recruitment_status>Complete</recruitment_status>
      <url>https://irct.ir/trial/10157</url>
      <study_type>interventional</study_type>
      <study_design>Randomization: Not randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Crossover, Purpose: Prevention, Other design features: The design of study is cross over and each volunteer in each group with a washout period of 10 days for each mouthwash, will participate in both parts of the study and will use all the studied mouthwashes. The details are presented in the intervention section.</study_design>
      <phase>N/A</phase>
      <hc_freetext>prevention of periodontal diseases.</hc_freetext>
      <i_freetext>Intervention 1: Group 1: First part:  Salivary substantivity of mouthwashes: &#13;
1- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
2- Persica mouthwash, once 10cc for 30 Sec.&#13;
3- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, once 10cc for 30 Sec.&#13;
4- CPC (Oral-B) mouthwash, once 10cc for 30 Sec. &#13;
5- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
6- Normal saline, once 10cc for 30 Sec.&#13;
Group 1: Second part: Four days anti plaque efficacy: &#13;
1- 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- 0.12% Chlorhexidine Kin Gingival( Spain)mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days. Intervention 2: Group 2: First part: Salivary substantivity of mouthwashes: &#13;
1- Normal saline, once 10cc for 30 Sec.&#13;
2- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
3- Persica mouthwash, once 10cc for 30 Sec.&#13;
4- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec.&#13;
5- CPC (Oral-B) mouthwash, once 10cc for 30 Sec.&#13;
6- 0.2% local Chlorhexidine, once 10cc for 30 Sec.&#13;
Group 2: Second part: Four days anti plaque efficacy of mouthwash.&#13;
1- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days. Intervention 3: Group 3: First part: Salivary substantivity of mouthwashes:&#13;
1- Persica mouthwash, once 10cc for 30 Sec.&#13;
2- 0.12% Chlorhexidine Kin Gingival( Spain, once 10cc for 30 Sec.&#13;
3-   CPC (Oral-B), once 10cc for 30 Sec.&#13;
4- 0.2% local Chlorhexidine, once 10cc for 30 Sec.&#13;
5- Normal saline once 10cc for 30 Sec. &#13;
6- 0.12% local Chlorhexidine. once 10cc for 30 Sec.&#13;
Group 3: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days. Intervention 4: Group 4: First part: Salivary substantivity of mouthwashes:&#13;
1- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec. &#13;
2- CPC (Oral-B) mouthwash, once 10cc for 30 Sec., &#13;
3- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
4- Normal saline once 10cc for 30 Sec.&#13;
5- 0.12% local Chlorhexidine, once 10cc for 30 Sec.&#13;
6- Persica mouthwash once 10cc for 30 Sec.&#13;
Group 4: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1-0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- - 0.12% local chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days. Intervention 5: Group 5: First part: Salivary substantivity of mouthwashes:&#13;
1- CPC (Oral-B) mouthwash, once 10cc for 30 Sec., .&#13;
2- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
3- Normal saline, once 10cc for 30 Sec.&#13;
4- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
5- Persica mouthwash, once 10cc for 30 Sec.&#13;
6- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec.&#13;
Group 5: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days. Intervention 6: Group 6: First part: Salivary substantivity of mouthwashes: &#13;
1- 0.2% local chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
2- Normal saline, once 10cc for 30 Sec.&#13;
3- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
4- Persica mouthwash, once 10cc for 30 Sec.&#13;
5- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, once 10cc for 30 Sec.&#13;
6- CPC (Oral-B) mouthwash, once 10cc for 30 Sec.&#13;
Group 5: Second part: Four days anti plaque efficacy of mouthwash.  &#13;
1- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.</i_freetext>
      <results_actual_enrolment></results_actual_enrolment>
      <results_date_completed></results_date_completed>
      <results_url_link></results_url_link>
      <results_summary></results_summary>
      <results_date_posted></results_date_posted>
      <results_date_first_publication></results_date_first_publication>
      <results_baseline_char></results_baseline_char>
      <results_participant_flow></results_participant_flow>
      <results_adverse_events></results_adverse_events>
      <results_outcome_measures></results_outcome_measures>
      <results_url_protocol></results_url_protocol>
      <results_IPD_plan></results_IPD_plan>
      <results_IPD_description></results_IPD_description>
    </main>
    <contacts>
      <contact>
        <type>public</type>
        <firstname>Mahmood Ghasemi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No:4, 10th Neyestan,Pasdaran Ave.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 21 2256 4571</telephone>
        <email>m_ghasemi@dentaliau.ac.ir</email>
        <affiliation>Dentla school, Tehran Islamic Azad University</affiliation>
      </contact>
      <contact>
        <type>scientific</type>
        <firstname>Mahmood Ghasemi</firstname>
        <middlename></middlename>
        <lastname></lastname>
        <address>No:4, 10th Neyestan,Pasdaran Ave.</address>
        <city>Tehran</city>
        <country1>Iran (Islamic Republic of)</country1>
        <zip></zip>
        <telephone>+98 21 2256 4571</telephone>
        <email>m_ghasemi@dental.iau.ac.ir</email>
        <affiliation>Dental school, ،Tehran Islamic Azad University</affiliation>
      </contact>
    </contacts>
    <countries>
      <country2>Iran (Islamic Republic of)</country2>
    </countries>
    <criteria>
      <inclusion_criteria>Inclusion criteria; 18 years and above; minimum of 24 teeth; no partial or fixed prosthesis and not under orthodontic treatment; no gingival sulcus deeper than 3mm; maximum plaque index( Turesky et al) of 2 and gingival index( Loa and Silness) of 1.5&#13;
Exclusion criteria: Age above 45 years, not smoker; no antibiotic therapy or routine antiseptic use for past 3 months; allergy to any mouth washes; no patient compliance</inclusion_criteria>
      <agemin>18 years</agemin>
      <agemax>45 years</agemax>
      <gender>Both</gender>
      <exclusion_criteria></exclusion_criteria>
    </criteria>
    <health_condition_code>
      <hc_code>k05</hc_code>
    </health_condition_code>
    <health_condition_keyword>
      <hc_keyword>Gingivitis and periodontal disease</hc_keyword>
    </health_condition_keyword>
    <intervention_code>
      <i_code>Treatment - Drugs</i_code>
      <i_code>Diagnosis</i_code>
      <i_code>Diagnosis</i_code>
      <i_code>Diagnosis</i_code>
      <i_code>Diagnosis</i_code>
      <i_code>Diagnosis</i_code>
    </intervention_code>
    <intervention_keyword>
      <i_keyword>Group 1: First part:  Salivary substantivity of mouthwashes: &#13;
1- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
2- Persica mouthwash, once 10cc for 30 Sec.&#13;
3- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, once 10cc for 30 Sec.&#13;
4- CPC (Oral-B) mouthwash, once 10cc for 30 Sec. &#13;
5- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
6- Normal saline, once 10cc for 30 Sec.&#13;
Group 1: Second part: Four days anti plaque efficacy: &#13;
1- 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- 0.12% Chlorhexidine Kin Gingival( Spain)mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.</i_keyword>
      <i_keyword>Group 2: First part: Salivary substantivity of mouthwashes: &#13;
1- Normal saline, once 10cc for 30 Sec.&#13;
2- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
3- Persica mouthwash, once 10cc for 30 Sec.&#13;
4- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec.&#13;
5- CPC (Oral-B) mouthwash, once 10cc for 30 Sec.&#13;
6- 0.2% local Chlorhexidine, once 10cc for 30 Sec.&#13;
Group 2: Second part: Four days anti plaque efficacy of mouthwash.&#13;
1- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.</i_keyword>
      <i_keyword>Group 3: First part: Salivary substantivity of mouthwashes:&#13;
1- Persica mouthwash, once 10cc for 30 Sec.&#13;
2- 0.12% Chlorhexidine Kin Gingival( Spain, once 10cc for 30 Sec.&#13;
3-   CPC (Oral-B), once 10cc for 30 Sec.&#13;
4- 0.2% local Chlorhexidine, once 10cc for 30 Sec.&#13;
5- Normal saline once 10cc for 30 Sec. &#13;
6- 0.12% local Chlorhexidine. once 10cc for 30 Sec.&#13;
Group 3: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.</i_keyword>
      <i_keyword>Group 4: First part: Salivary substantivity of mouthwashes:&#13;
1- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec. &#13;
2- CPC (Oral-B) mouthwash, once 10cc for 30 Sec., &#13;
3- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
4- Normal saline once 10cc for 30 Sec.&#13;
5- 0.12% local Chlorhexidine, once 10cc for 30 Sec.&#13;
6- Persica mouthwash once 10cc for 30 Sec.&#13;
Group 4: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1-0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- - 0.12% local chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
6- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days</i_keyword>
      <i_keyword>Group 5: First part: Salivary substantivity of mouthwashes:&#13;
1- CPC (Oral-B) mouthwash, once 10cc for 30 Sec., .&#13;
2- 0.2% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
3- Normal saline, once 10cc for 30 Sec.&#13;
4- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
5- Persica mouthwash, once 10cc for 30 Sec.&#13;
6- 0.12% Chlorhexidine Kin Gingival (Spain) once 10cc for 30 Sec.&#13;
Group 5: Second part: Four days anti plaque efficacy of mouthwash. &#13;
1- CPC (Oral-B) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.</i_keyword>
      <i_keyword>Group 6: First part: Salivary substantivity of mouthwashes: &#13;
1- 0.2% local chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
2- Normal saline, once 10cc for 30 Sec.&#13;
3- 0.12% local Chlorhexidine mouthwash, once 10cc for 30 Sec.&#13;
4- Persica mouthwash, once 10cc for 30 Sec.&#13;
5- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, once 10cc for 30 Sec.&#13;
6- CPC (Oral-B) mouthwash, once 10cc for 30 Sec.&#13;
Group 5: Second part: Four days anti plaque efficacy of mouthwash.  &#13;
1- 0.2% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
2- Normal saline, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
3- - 0.12% local Chlorhexidine mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
4- Persica mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.&#13;
5- 0.12% Chlorhexidine Kin Gingival (Spain) mouthwash, 10 cc for 30 Sec. twice a day and for 4 days.</i_keyword>
    </intervention_keyword>
    <primary_outcome>
      <prim_outcome>Number of vital bacteria. Timepoint: before and after 30 second; 1; 3; 5 and 7 hours of single use of 10cc of mouthwash for 45 seconds. Method of measurement: Epiflourescence.</prim_outcome>
      <prim_outcome>Bacterial Plaque. Timepoint: 4 days after use. Method of measurement: Turesky Plaque Index.</prim_outcome>
    </primary_outcome>
    <secondary_outcome>
      <sec_outcome>Change in taste sensation. Timepoint: 4 days. Method of measurement: Visual Analog Scale.</sec_outcome>
      <sec_outcome>Burning sensation. Timepoint: 4 days. Method of measurement: Visual analog Scale.</sec_outcome>
      <sec_outcome>Presence of stain. Timepoint: 4 days. Method of measurement: Observation.</sec_outcome>
    </secondary_outcome>
    <secondary_sponsor>
      <sponsor_name></sponsor_name>
    </secondary_sponsor>
    <secondary_ids>
      <secondary_id>
        <sec_id></sec_id>
        <issuing_authority></issuing_authority>
      </secondary_id>
    </secondary_ids>
    <source_support>
      <source_name>Dental School, Tehran Islamic Azad University</source_name>
    </source_support>
    <ethics_reviews>
      <ethics_review>
        <status>Approved</status>
        <approval_date>2011-10-04</approval_date>
        <contact_name>Ethical Commitee,Deputy of Research , Dental school , Tehran Islamic Azad University</contact_name>
        <contact_address>No:4; 10th Neyestan; Pasdaran Ave Tehran  Iran (Islamic Republic of)</contact_address>
        <contact_phone></contact_phone>
        <contact_email></contact_email>
      </ethics_review>
    </ethics_reviews>
  </trial>
</trials>
