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Long-term evaluation of space maintenance after guided bone regeneration using block-type or particulate bone graft materials in peri-implant horizontal defects

Evaluation of bone-volume changes following guided bone regeneration therapy using collagenated-block (Lego Graft®) and particle type (THE Graft™) bone substitute in treatment of horizontal ridge defect around dental implants: A 3 year prospective cohort study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0011948
Enrollment
46
Registered
2026-05-08
Start date
2021-11-12
Completion date
Unknown
Last updated
2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University Health System, Dental Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: ? Adults aged 18 years or older ? Patients who underwent implant placement and guided bone regeneration for horizontal defects of the buccal alveolar bone ? Patients treated with either particulate or collagenated block-type bone graft materials

Exclusion criteria

Exclusion criteria: ? Patients without CBCT records after guided bone regeneration ? Patients without intraoral scanner records after guided bone regeneration ? Patients who do not consent to participate ? Patients who participated in another clinical study within the past 6 months

Design outcomes

Primary

MeasureTime frame
Change in horizontal alveolar bone width measured on CBCT images—

Secondary

MeasureTime frame
Changes in alveolar bone area on CBCT images;Changes in alveolar bone volume on CBCT images ;Changes in clinical area on intraoral scanner data;Changes in clinical volume on intraoral scanner data—

Countries

Korea, Republic of

Contacts

Public ContactJi-Young Jung

Yonsei University Health System, Dental Hospital

jjyindb@gmail.com+82-2-2228-2953

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: May 16, 2026