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Titanium inserts vs. gum grafts: which fixes 'Black Triangles' better?
NCT ID NCT07401667
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two methods to rebuild the small triangle of gum between teeth (called the papilla), which can shrink and leave dark gaps. One method used a small titanium screw-like device placed into the bone, and the other used a graft of the patient's own connective tissue. Eighteen healthy adults aged 18-35 with gum loss were randomly assigned to one of the two treatments. The researchers measured gum height and healing over three months to see which approach worked better.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- connective tissue graft (surgical procedure) and titanium papillary insert (dental device)
- What this could lead to
- If successful, this could offer a new, less invasive option for restoring gum tissue between teeth, improving smile appearance.
- What could go wrong
- This is a very small, early-stage trial with only 18 participants and short follow-up (3 months). Results may not apply to everyone, and both procedures carry surgical risks like infection or graft failure.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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18 people
The number who actually took part.
- Started
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May 2023
- Finished
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May 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 35 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Systemically healthy male and female patients with a stable periodontal health of age 18-35 years. * Patients with Nordland and Tarnow's1 Class I, II, III interdental papillary loss at a single site and Gingival recession \< 2 mm on the facial aspect. * Patients presenting with adequate width of attached gingiva (2-3mm) * Having a thick gingival biotype (2 mm) Exclusion Criteria: * Midline diastema patients * Medically compromised patients * Pregnant and lactating women * Heavy smokers, * Patient who underwent radiotherapy \& chemotherapy, * Patients with any bleeding or clotting disorders * Patients not willing to participate in the study.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Svs Institute of Dental Sciences
Mahbūbnagar, Telangana, 509001, India
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