{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Dental+Restoration+Failure",
    "query": {
      "condition": "Dental Restoration Failure"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 4,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T07:37:30.149Z",
  "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": "NCT02572570",
      "title": "Clinical Investigation of a New Bulk Fill Composite Resin in the Restoration of Posterior Teeth",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Restoration Failure of Marginal Integrity",
        "Dental Caries",
        "Unrepairable Overhanging of Dental Restorative Materials",
        "Poor Aesthetics of Existing Restoration",
        "Secondary Dental Caries Associated With Failed or Defective Dental Restorations",
        "Fractured Dental Restorative Materials Without Loss of Materials",
        "Fracture of Dental Restorative Materials With Loss of Material"
      ],
      "interventions": [
        {
          "name": "Filtek Bulk Fill Posterior",
          "type": "DEVICE"
        },
        {
          "name": "Filtek Supreme Ultra",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 27,
      "start_date": "2015-12",
      "completion_date": "2019-12-05",
      "has_results": true,
      "last_update_posted_date": "2020-12-19",
      "last_synced_at": "2026-09-17T07:37:30.149Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02572570"
    },
    {
      "nct_id": "NCT03175627",
      "title": "Clinical Performance of Posterior Composite Tooth Fillings in Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries",
        "Dental Restoration Failure"
      ],
      "interventions": [
        {
          "name": "Filtek One",
          "type": "DEVICE"
        },
        {
          "name": "Filtek Z250",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Louisiana State University Health Sciences Center in New Orleans",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 55,
      "start_date": "2017-05-10",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-06-28",
      "last_synced_at": "2026-09-17T07:37:30.149Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03175627"
    },
    {
      "nct_id": "NCT06713577",
      "title": "Clinical Study of a 3D Shaded Zirconia for Chairside CAD/CAM Restorations",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dental Prosthesis Failure",
        "Dental Prosthesis Complication"
      ],
      "interventions": [
        {
          "name": "CEREC Cercon 4D",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Dentsply Sirona Implants and Consumables",
      "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": 82,
      "start_date": "2024-12-03",
      "completion_date": "2031-11-22",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-09-17T07:37:30.149Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06713577"
    },
    {
      "nct_id": "NCT07091422",
      "title": "A Split-Mouth Clinical Trial Evaluating the Bond Failure Rate of a New Etch-Free Orthodontic Adhesive",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bracket Bonding",
        "Orthodontic Treatment",
        "Dental Adhesives/Restorations Performance",
        "White Spot Lesion of Tooth"
      ],
      "interventions": [
        {
          "name": "Etch-Free Adhesive",
          "type": "DEVICE"
        },
        {
          "name": "Conventional Etch-and-Bond Adhesive",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "14 Years to 35 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-11-05",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-17T07:37:30.149Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07091422"
    }
  ]
}