{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Calculus%2C+Dental",
    "query": {
      "condition": "Calculus, Dental"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T02:16:55.582Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04596761",
      "title": "ToothWave Calculus Reduction and Accumulation Prevention Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingivitis",
        "Plaque",
        "Calculus, Dental"
      ],
      "interventions": [
        {
          "name": "RF-utilizing powered toothbrush",
          "type": "DEVICE"
        },
        {
          "name": "Control placebo with no RF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Home Skinovations Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2020-07-15",
      "completion_date": "2020-12-10",
      "has_results": false,
      "last_update_posted_date": "2021-04-23",
      "last_synced_at": "2026-07-22T02:16:55.582Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04596761"
    },
    {
      "nct_id": "NCT05887128",
      "title": "Accuracy of Extra-oral Bite-wing Radiography in Detecting Calculus and Crestal Bone Loss",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Periodontitis",
        "Calculus, Dental",
        "Bone Loss, Alveolar"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-06-01",
      "completion_date": "2025-06-01",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-07-22T02:16:55.582Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05887128"
    },
    {
      "nct_id": "NCT03885323",
      "title": "ToothWave Plaque and Gingivitis Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingivitis",
        "Plaque",
        "Calculus, Dental"
      ],
      "interventions": [
        {
          "name": "RF utilizing powered toothbrush",
          "type": "DEVICE"
        },
        {
          "name": "Control placebo with no RF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Home Skinovations Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 86,
      "start_date": "2019-02-28",
      "completion_date": "2019-04-15",
      "has_results": false,
      "last_update_posted_date": "2020-11-25",
      "last_synced_at": "2026-07-22T02:16:55.582Z",
      "location_count": 1,
      "location_summary": "Fort Wayne, Indiana",
      "locations": [
        {
          "city": "Fort Wayne",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03885323"
    },
    {
      "nct_id": "NCT06139835",
      "title": "Testing if Tartarase Can Remove Dental Tartar",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Calculus"
      ],
      "interventions": [
        {
          "name": "Tartarase",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Pontis Biologics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 37,
      "start_date": "2022-06-08",
      "completion_date": "2022-07-06",
      "has_results": false,
      "last_update_posted_date": "2023-11-18",
      "last_synced_at": "2026-07-22T02:16:55.582Z",
      "location_count": 1,
      "location_summary": "Huntington, New York",
      "locations": [
        {
          "city": "Huntington",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06139835"
    },
    {
      "nct_id": "NCT04092075",
      "title": "Safety and Efficacy of the ToothWave -12 Weeks Calculus Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gingivitis",
        "Plaque",
        "Calculus, Dental"
      ],
      "interventions": [
        {
          "name": "RF-utilizing powered toothbrush",
          "type": "DEVICE"
        },
        {
          "name": "Control placebo with no RF",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Home Skinovations Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 87,
      "start_date": "2019-08-07",
      "completion_date": "2020-04-30",
      "has_results": false,
      "last_update_posted_date": "2020-07-29",
      "last_synced_at": "2026-07-22T02:16:55.582Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04092075"
    }
  ]
}