Clinical trial Recruiting at 1 site Interventional Ages 18 to 60

Thermosensitive THBC + CGF for Bone Building After Wisdom Tooth Removal

Official title: A Real-World Study on Temperature-Sensitive Hydroxybutyl Chitosan-Loaded Concentrated Growth Factor for Alveolar Bone Defect Repair

Run by Stomatological Hospital Affiliated with Fujian Medical University · NCT07779421 · Data updated 2026-11-12

This real-world study tests whether a thermosensitive hydroxyethylchitosan with concentrated growth factor can help rebuild bone in the socket after removing a lower wisdom tooth.

Quick facts

Study typeInterventional
Ages18 Years to 60 Years
SexAll
Enrollment136 (estimated)
SponsorStomatological Hospital Affiliated with Fujian Medical University
Academic / other
Drugs / interventionschemotherapy, radiation
Locations1 site (Fuzhou, Fujian)
StatusRecruiting
StartedAugust 1, 2024
Main results expectedMay 31, 2027
Study endsJuly 31, 2027
Registry record updatedAugust 21, 2026
Trial IDNCT07779421 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults aged 18–60 with mandibular impacted M3s and adjacent M2s suitable for retention, who can consent and comply with follow-up.

Probably not a fit

Patients lacking a measurable bone defect or who receive non-beneficial materials may not see bone regeneration benefits.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This prospective real-world investigation evaluates the bone-regenerative potential of a thermosensitive hydroxybutyl chitosan–concentrated growth factor (THBC+CGF) in mandibular third molar extractions. Participants with impacted lower third molars and adjacent second molars requiring retention are enrolled and receive one of several repair options, including THBC+CGF, THBC alone, CGF alone, autograft, collagen sponge, or no intervention. Baseline data and intraoperative details are collected, with postoperative clinical exams and imaging to assess bone regeneration. The study aims to clarify the therapeutic efficacy of THBC+CGF in repairing mesial bone defects after M3 extraction in a real-world setting.

Why it matters

Potential benefit: If successful, the approach could improve bone preservation and regeneration in extraction sockets, potentially easing future dental procedures.

How similar studies have gone: Preliminary studies in similar materials have shown promise for bone repair, but this combination in a real-world setting is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
* Inclusion Criteria:
* Preoperative CBCT imaging confirming mandibular third molars (M3s) with low to moderate impaction according to the Pell and Gregory classification, and not in the acute inflammatory stage.
* Ipsilateral mandibular second molars (M2s) with retention value and no indication for extraction.
* Patients able to provide written informed consent and willing to comply with the scheduled follow-up visits.
* Age between 18 and 60 years (inclusive).
* Exclusion Criteria:
* Presence of systemic diseases or other contraindications to tooth extraction surgery.
* Known or suspected current malignancy.
* History of radiation therapy to the head and neck region.
* History of chemotherapy within 5 years prior to surgery.
* Smoking \> 15 cigarettes per day.
* Subjects with mental or neurological disorders, or otherwise unable to provide informed consent.

Where it's running

  • Stomatological Hospital Affiliated with Fujian Medical University
    Fuzhou, Fujian, China
    Recruiting

Study contacts

  • Principal investigator: Ye Wu, Ph.D. — Stomatological Hospital Affiliated with Fujian Medical University

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.