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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04915677
Other study ID # GFGTurin1
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date June 10, 2021
Est. completion date March 10, 2024

Study information

Verified date February 2023
Source University of Turin, Italy
Contact Mario Aimetti
Phone 00390116331546
Email mario.aimetti@unito.it
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Ridge deformities can complicate prosthetic rehabilitation, especially in situations where optimal esthetic outcomes are desired. Simpler, less invasive and predictable treatments are needed in order to obtain soft tissue augmentation at edentulous ridges. Autogenous subepithelial connective tissue graft (SCTG) has always been regarded as the treatment of choice, but heterologous volume stable collagen matrix (VCMX) is emerging as a reliable alternative. The principal aim of the present RCT will be to compare the volumetric buccal soft tissue changes at edentulous areas after augmentation procedure using VCMX or SCTG. Parameters related to periodontal health at adjacent teeth and patient reported outcomes (PROMs) will be also assessed as secondary outcomes. Proving the non- inferiority of VCMX compared to SCTG would provide the specialists and general clinicians with an easier, less invasive and better tolerated technique for soft tissue augmentation at edentulous ridges and for improving aesthetic and cleansability of the prosthetic rehabilitation.


Recruitment information / eligibility

Status Recruiting
Enrollment 28
Est. completion date March 10, 2024
Est. primary completion date June 10, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Intercalated mono-edentulous area ridge defects to be rehabilitated with fixed partial bridge - At least 18 years old - At least 6 months from tooth extraction at the study area. Exclusion Criteria: - Systemic diseases which could influence the outcome of the therapy (e.g. uncontrolled diabetes mellitus); - Smoking = 10 cigarettes a day; - Pregnant or nursing women; - Chronic use of corticosteroids or other anti-inflammatory or immune-modulator drugs; - Patients who need use of medications affecting bone metabolism or oral mucosa; - Presence of a congruous FDP at the edentulous area; - History of soft tissue augmentation surgery in the study area; - Active periodontitis - Uncompliant patients

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Soft tissue augmentation with subepithelial connective tissue graft (SCTG)
After local anesthesia a mesio-distal crestal incision will be performed reaching the alveolar bone. Split thickness dissection performed both buccal and palatal. Subepithelial connective tissue graft will be harvested and inserted beneath the mucoperiosteal flap and stretched buccally and lingually using a modified horizontal mattress suture. The flap margins at the crest will be adapted using single interrupted sutures in order to achieve a primary closure of the flap.
Soft tissue augmentation with xenogenic volume stable collagen matrix
After local anesthesia a mesio-distal crestal incision will be performed reaching the alveolar bone. Split thickness dissection performed both buccal and palatal. Xenogenic volume stable collagen matrix will be inserted beneath the mucoperiosteal flap and stretched buccally and lingually using a modified horizontal mattress suture. The flap margins at the crest will be adapted using single interrupted sutures in order to achieve a primary closure of the flap.

Locations

Country Name City State
Italy University of Turin Turin

Sponsors (1)

Lead Sponsor Collaborator
University of Turin, Italy

Country where clinical trial is conducted

Italy, 

Outcome

Type Measure Description Time frame Safety issue
Primary Volumetric buccal soft tissue changes (-5 to +5 mm with positive values representing an increase in volume) Mean linear change in mm from baseline to 6 months follow-up 6 months
Secondary Change in Probing Pocket Depth (PD) at adjacent teeth (0-15 mm with higher values representing worse outcomes) The distance between cementoenamel junction (CEJ) and the base of the pocket 6 months
Secondary Mucosal recession at adjacent sites (0-15 mm with higher values indicating worse outcomes) The distance between the cementoenamel junction (CEJ) and the mucosal margin 6 months
Secondary Pain (VAS scale)(0-10 with higher values indicating worse outcomes) Subjective pain experienced by the patient expressed in a VAS scale 2 weeks
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