{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dental+Crowns",
    "query": {
      "condition": "Dental Crowns"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 22,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dental+Crowns&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-25T03:16:56.737Z",
  "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": "NCT04604301",
      "title": "Celtra Quatro Crown Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fractured Tooth",
        "Decayed Tooth",
        "Unsatisfactory Restoration of Tooth"
      ],
      "interventions": [
        {
          "name": "Celtra Quatro",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 48,
      "start_date": "2020-09-24",
      "completion_date": "2027-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604301"
    },
    {
      "nct_id": "NCT04975321",
      "title": "Clinical Trial NuSmile Crowns",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Dental Caries, Multisurface Origin (Diagnosis)"
      ],
      "interventions": [
        {
          "name": "Nu Smile Zirconia crown",
          "type": "DEVICE"
        },
        {
          "name": "Nu Smile Pre Veneered crown",
          "type": "DEVICE"
        },
        {
          "name": "Composite strip crown",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "Up to 5 Years"
      },
      "enrollment_count": 97,
      "start_date": "2015-06-06",
      "completion_date": "2019-07-19",
      "has_results": true,
      "last_update_posted_date": "2022-05-09",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04975321"
    },
    {
      "nct_id": "NCT01464294",
      "title": "Clinical Evaluation of Chairside CAD/CAM Nano-ceramic Restorations",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Restoration of Posterior Teeth"
      ],
      "interventions": [
        {
          "name": "Milled ceramic restorations",
          "type": "DEVICE"
        },
        {
          "name": "Milled nano-composite restorations",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Solventum US LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2011-10",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01464294"
    },
    {
      "nct_id": "NCT01211288",
      "title": "Longitudinal Study of Dental Implant Therapy in HIV Positive Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Implant"
      ],
      "interventions": [
        {
          "name": "Astra implants",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "19 Years to 80 Years"
      },
      "enrollment_count": 41,
      "start_date": "2010-05",
      "completion_date": "2020-05-01",
      "has_results": true,
      "last_update_posted_date": "2020-06-02",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01211288"
    },
    {
      "nct_id": "NCT06354647",
      "title": "Zirconia-based Primary Anterior Crowns With Retention Grooves Versus Without Retention Grooves",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries",
        "Tooth Decay"
      ],
      "interventions": [
        {
          "name": "Zirconia-based primary anterior crowns with retention grooves",
          "type": "PROCEDURE"
        },
        {
          "name": "Zirconia-based primary anterior crowns without retention grooves",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "2 Years to 6 Years"
      },
      "enrollment_count": 12,
      "start_date": "2024-06-07",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-26",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06354647"
    },
    {
      "nct_id": "NCT05070416",
      "title": "Lithium Disilicate Crowns Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Caries",
        "Dental Trauma"
      ],
      "interventions": [
        {
          "name": "Lithium disilicate crowns",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ivoclar Vivadent AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2021-10-04",
      "completion_date": "2023-03-01",
      "has_results": true,
      "last_update_posted_date": "2025-10-23",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05070416"
    },
    {
      "nct_id": "NCT05752539",
      "title": "Clinical Evaluation of Implants Restored With Advanced Lithium Disilicate Screw-retained Crowns",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dental Prosthesis Failure",
        "Dental Prosthesis Complication"
      ],
      "interventions": [
        {
          "name": "CEREC System by Dentsply Sirona",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dentsply Sirona Implants and Consumables",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 25,
      "start_date": "2023-10-10",
      "completion_date": "2028-02-20",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05752539"
    },
    {
      "nct_id": "NCT00223405",
      "title": "Analysis of Enamel Wear Against Ceramic Restorations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tooth Wear"
      ],
      "interventions": [
        {
          "name": "crown placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 36,
      "start_date": "2003-04",
      "completion_date": "2009-01",
      "has_results": false,
      "last_update_posted_date": "2016-11-22",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00223405"
    },
    {
      "nct_id": "NCT02289781",
      "title": "Wear of Enamel Against Polished Zirconia Crowns",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tooth Wear"
      ],
      "interventions": [
        {
          "name": "posterior crowns",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2013-04",
      "completion_date": "2022-08",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02289781"
    },
    {
      "nct_id": "NCT04604314",
      "title": "Alternative EndoCrowns Designs for Chairside CAD/CAM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Endodontically Treated Teeth"
      ],
      "interventions": [
        {
          "name": "CEREC Tessera",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 69,
      "start_date": "2020-12-10",
      "completion_date": "2025-05-08",
      "has_results": true,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-07-25T03:16:56.737Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04604314"
    }
  ]
}