<clinical_study>
  <!-- This xml conforms to an XML Schema at:
    https://clinicaltrials.gov/ct2/html/images/info/public.xsd -->
  <required_header>
    <download_date>ClinicalTrials.gov processed this data on September 20, 2023</download_date>
    <link_text>Link to the current ClinicalTrials.gov record.</link_text>
    <url>https://clinicaltrials.gov/ct2/show/NCT03279874</url>
  </required_header>
  <id_info>
    <org_study_id>Interview-Repair</org_study_id>
    <secondary_id>22/9/17</secondary_id>
    <nct_id>NCT03279874</nct_id>
  </id_info>
  <brief_title>Qualitative Interview Study Regarding Dentists' Repair Behaviour</brief_title>
  <official_title>Qualitative Interview Study Regarding Dentists' Repair Behaviour</official_title>
  <sponsors>
    <lead_sponsor>
      <agency>University of Göttingen</agency>
      <agency_class>Other</agency_class>
    </lead_sponsor>
    <collaborator>
      <agency>Charite University, Berlin, Germany</agency>
      <agency_class>Other</agency_class>
    </collaborator>
  </sponsors>
  <source>University of Göttingen</source>
  <oversight_info>
    <has_dmc>No</has_dmc>
    <is_fda_regulated_drug>No</is_fda_regulated_drug>
    <is_fda_regulated_device>No</is_fda_regulated_device>
  </oversight_info>
  <brief_summary>
    <textblock>
      The aim of the present study is to determine dentists' barriers and facilitators for&#xD;
      performing repairs on partially defective dental restorations.&#xD;
    </textblock>
  </brief_summary>
  <detailed_description>
    <textblock>
      Potential barriers and facilitators for treating partially defective dental restorations by&#xD;
      repair instead of complete replacement are going to be assessed by interviewing German&#xD;
      dentists.&#xD;
    </textblock>
  </detailed_description>
  <overall_status>Completed</overall_status>
  <start_date type="Actual">July 27, 2018</start_date>
  <completion_date type="Actual">April 21, 2021</completion_date>
  <primary_completion_date type="Actual">April 21, 2021</primary_completion_date>
  <study_type>Observational</study_type>
  <has_expanded_access>No</has_expanded_access>
  <study_design_info>
    <observational_model>Case-Only</observational_model>
    <time_perspective>Prospective</time_perspective>
  </study_design_info>
  <primary_outcome>
    <measure>Completion of a questionnaire</measure>
    <time_frame>5 minutes</time_frame>
  </primary_outcome>
  <primary_outcome>
    <measure>Interview</measure>
    <time_frame>60 minutes</time_frame>
  </primary_outcome>
  <number_of_groups>1</number_of_groups>
  <enrollment type="Actual">10</enrollment>
  <condition>Behavior</condition>
  <arm_group>
    <arm_group_label>German dentists</arm_group_label>
    <description>Dentists who are working in dental offices in Germany</description>
  </arm_group>
  <intervention>
    <intervention_type>Other</intervention_type>
    <intervention_name>Interviews</intervention_name>
    <description>Semi-structured one-on-one interviews</description>
    <arm_group_label>German dentists</arm_group_label>
  </intervention>
  <eligibility>
    <study_pop>
      <textblock>
        Dentists who are working in dental offices in Germany&#xD;
      </textblock>
    </study_pop>
    <sampling_method>Non-Probability Sample</sampling_method>
    <criteria>
      <textblock>
        Inclusion Criteria:&#xD;
&#xD;
          -  Dentists who are working in dental offices in Germany and who are able to give written&#xD;
             consent&#xD;
&#xD;
        Exclusion Criteria:&#xD;
&#xD;
          -  Non-fulfillment of the inclusion criteria&#xD;
&#xD;
          -  Lack of capacity to consent&#xD;
&#xD;
          -  No German language skills in written and spoken language&#xD;
      </textblock>
    </criteria>
    <gender>All</gender>
    <minimum_age>N/A</minimum_age>
    <maximum_age>N/A</maximum_age>
    <healthy_volunteers>Accepts Healthy Volunteers</healthy_volunteers>
  </eligibility>
  <overall_official>
    <last_name>Philipp Kanzow, PD Dr. Dr. med. dent., M.Sc.</last_name>
    <role>Principal Investigator</role>
    <affiliation>Dept. of Prev. Dentistry, Periodontology and Cariology, University Medical Center Göttingen, Germany</affiliation>
  </overall_official>
  <location>
    <facility>
      <name>University Medical Center Göttingen, Dept. of Preventive Dentistry, Periodontology and Cariology</name>
      <address>
        <city>Göttingen</city>
        <state>Lower Saxony</state>
        <zip>37075</zip>
        <country>Germany</country>
      </address>
    </facility>
  </location>
  <location_countries>
    <country>Germany</country>
  </location_countries>
  <reference>
    <citation>Kanzow P, Hoffmann R, Tschammler C, Kruppa J, Rodig T, Wiegand A. Attitudes, practice, and experience of German dentists regarding repair restorations. Clin Oral Investig. 2017 May;21(4):1087-1093. doi: 10.1007/s00784-016-1859-3. Epub 2016 Jun 2.</citation>
    <PMID>27255959</PMID>
  </reference>
  <reference>
    <citation>Kanzow P, Dieckmann P, Hausdorfer T, Attin T, Wiegand A, Wegehaupt FJ. Repair restorations: Questionnaire survey among dentists in the Canton of Zurich, Switzerland. Swiss Dent J. 2017 Apr 10;127(4):300-311. English, German.</citation>
    <PMID>28480953</PMID>
  </reference>
  <reference>
    <citation>Kanzow P, Wiegand A, Schwendicke F. Cost-effectiveness of repairing versus replacing composite or amalgam restorations. J Dent. 2016 Nov;54:41-47. doi: 10.1016/j.jdent.2016.08.008. Epub 2016 Aug 26.</citation>
    <PMID>27575986</PMID>
  </reference>
  <verification_date>April 2022</verification_date>
  <study_first_submitted>September 8, 2017</study_first_submitted>
  <study_first_submitted_qc>September 11, 2017</study_first_submitted_qc>
  <study_first_posted type="Actual">September 12, 2017</study_first_posted>
  <last_update_submitted>April 18, 2022</last_update_submitted>
  <last_update_submitted_qc>April 18, 2022</last_update_submitted_qc>
  <last_update_posted type="Actual">April 20, 2022</last_update_posted>
  <responsible_party>
    <responsible_party_type>Principal Investigator</responsible_party_type>
    <investigator_affiliation>University Medical Center Goettingen</investigator_affiliation>
    <investigator_full_name>Philipp Kanzow, PD Dr. med. dent., Dr. rer. medic.</investigator_full_name>
    <investigator_title>Senior Dental Practitioner</investigator_title>
  </responsible_party>
  <keyword>decision-making</keyword>
  <keyword>repair behavior</keyword>
  <keyword>interviews</keyword>
  <patient_data>
    <sharing_ipd>No</sharing_ipd>
  </patient_data>
  <!-- Results have not yet been posted for this study                                          -->
</clinical_study>


download date: ClinicalTrials.gov processed this data on September 20, 2023
link text: Link to the current ClinicalTrials.gov record.
url: https://clinicaltrials.gov/ct2/show/NCT03279874
org study id: Interview-Repair
secondary id: 22/9/17
nct id: NCT03279874
lead sponsor: 
collaborator: 
has dmc: No
is fda regulated drug: No
is fda regulated device: No
The aim of the present study is to determine dentists' barriers and facilitators for
      performing repairs on partially defective dental restorations.
Potential barriers and facilitators for treating partially defective dental restorations by
      repair instead of complete replacement are going to be assessed by interviewing German
      dentists.
observational model: Case-Only
time perspective: Prospective
measure: Completion of a questionnaire
time frame: 5 minutes
measure: Interview
time frame: 60 minutes
arm group label: German dentists
description: Dentists who are working in dental offices in Germany
intervention type: Other
intervention name: Interviews
description: Semi-structured one-on-one interviews
arm group label: German dentists
study pop: 
sampling method: Non-Probability Sample
criteria: 
gender: All
minimum age: N/A
maximum age: N/A
healthy volunteers: Accepts Healthy Volunteers
last name: Philipp Kanzow, PD Dr. Dr. med. dent., M.Sc.
role: Principal Investigator
affiliation: Dept. of Prev. Dentistry, Periodontology and Cariology, University Medical Center Göttingen, Germany
facility: 
country: Germany
citation: Kanzow P, Hoffmann R, Tschammler C, Kruppa J, Rodig T, Wiegand A. Attitudes, practice, and experience of German dentists regarding repair restorations. Clin Oral Investig. 2017 May;21(4):1087-1093. doi: 10.1007/s00784-016-1859-3. Epub 2016 Jun 2.
PMID: 27255959
citation: Kanzow P, Dieckmann P, Hausdorfer T, Attin T, Wiegand A, Wegehaupt FJ. Repair restorations: Questionnaire survey among dentists in the Canton of Zurich, Switzerland. Swiss Dent J. 2017 Apr 10;127(4):300-311. English, German.
PMID: 28480953
citation: Kanzow P, Wiegand A, Schwendicke F. Cost-effectiveness of repairing versus replacing composite or amalgam restorations. J Dent. 2016 Nov;54:41-47. doi: 10.1016/j.jdent.2016.08.008. Epub 2016 Aug 26.
PMID: 27575986
responsible party type: Principal Investigator
investigator affiliation: University Medical Center Goettingen
investigator full name: Philipp Kanzow, PD Dr. med. dent., Dr. rer. medic.
investigator title: Senior Dental Practitioner
sharing ipd: No