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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06455436
Other study ID # PER-ECL-2023-10
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date May 8, 2024
Est. completion date July 15, 2026

Study information

Verified date May 2024
Source Universitat Internacional de Catalunya
Contact Javi Vilarrasa, MSc
Phone +34 628553000
Email jvilarrasa@uic.es
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The loss of a tooth leads to a series of biological changes in the tissues, resulting in bone resorption and gingival collapse. To avoid these problems, it has been proposed to place immediate post-extraction implants, allowing a reduction in treatment time and the number of surgeries, as well as better maintenance of the tissues. This technique can be performed with standard abutments after implant placement or, more recently, the use of temporary abutments has been proposed.


Description:

Objective: To check if custom healing abutments manufactured using CAD/CAM technique in immediate implants promote greater dimensional stability of the peri-implant tissue compared to standard healing abutments. Methods: After the extraction, an immediate Klockner Vega+ implant will be placed and the gap will be filled with a bone substitute (Cerabone, Botiss). The patient will then be randomized to the control group (standard healing abutment) or the test group (custom healing abutment using CAD/CAM technique). In the latter case, a peripheral seal is achieved, allowing for wound closure and stabilization of the clot with the same shape as the crown in its transmucosal part.


Recruitment information / eligibility

Status Recruiting
Enrollment 32
Est. completion date July 15, 2026
Est. primary completion date July 15, 2025
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 25 Years and older
Eligibility Inclusion Criteria: - Adult patient ( 25 years old). - Need for extraction of an irrational tooth to be treated in the molar/premolar position of the upper/lower arch. - Presence of 2mm of keratinized gingiva. - Bone dehiscence in the alveolar walls of 2 mm. 2 mm. - Adequate amount of bone in the interradicular septum to stabilize the implant (minimum height 10 mm, minimum width 4 mm at the base of the septum). - Plaque index (FMSPI, full mouth score plaque index) < 10%. - Non-smokers or smokers of less than 10 cigarettes per day. - Absence of systemic diseases that contraindicate implant surgery. Exclusion Criteria: - Presence of alveoli with dehiscence >2mm. - Presence of adjacent implants. - < 2mm of keratinized gingiva. - Presence of active infection (fistula, suppuration) at the extraction site. - Presence of apical granuloma >2mm in diameter in the root(s) of the tooth or teeth to be extracted. - Residual bone apical to the extraction insufficient to anchor the implant. - Pregnant or lactating women. - Severe cognitive or psychiatric disorders. - Compromised general health status ( ASA IV). - Use of drugs that alter bone metabolism and healing. - Absence of manual primary stability of the implant - Bone dehiscence or fenestration after implant placement (manual rotation). - Gap 2mm between the implant and the vestibular bone wall.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Standard healing abutment
Participants will undergo a surgery to place an immediate klockner dental implant and will be receive a standard healing abutment
Individualized healing abutment
Participants will undergo a surgery to place an immediate klockner dental implant and will be receive an individualized healing abutment

Locations

Country Name City State
Spain Universitat Internacional de Catalunya Barcelona Catalonia

Sponsors (1)

Lead Sponsor Collaborator
Universitat Internacional de Catalunya

Country where clinical trial is conducted

Spain, 

Outcome

Type Measure Description Time frame Safety issue
Primary Buccal-lingual/palatal soft tissue dimensional changes They will be evaluated after superimposing the initial STL files with the follow-up ones. In addition, photos, periapical radiographs and a new intraoral scan at 3 months, 6 months and 1 year will be taken. In a 2D buccal-lingual slice corresponding to the center of the ridge, measure at the vestibular and palatal level from the point of maximum preoperative STL soft tissue contour (mucosal margin and at 3 mm and 5 mm apical to the margin). 12 months
Secondary Dehiscence of peri-implant vestibular and lingual/palatal mucosa: Dehiscence can be assessed by carefully examining the peri- implant mucosa for any signs of tissue separation or exposure. This can be done visually during clinical examination. 12 months
Secondary Vestibulo-lingual/palatal dimensional changes of the alveolar bone (CBCT) To measure dimensional changes in the alveolar bone, you can use cone-beam computed tomography (CBCT) scans. Compare CBCT images taken at different time points to quantify any changes in bone dimensions. measure dimensional changes in the alveolar bone, you can use cone-beam computed tomography (CBCT) scans. Compare CBCT images taken at different time points to quantify any changes in bone dimensions. 12 months
Secondary Horizontal remodeling of vestibular and lingual/palatal cortex (CBCT) CBCT scans can also be used to assess horizontal remodeling of the cortical bone. Analyze the CBCT images to measure changes in cortical thickness or contour. 12 months
Secondary Thickness of vestibular and lingual/palatal cortex (CBCT) CBCT scans can provide measurements of cortical thickness in the vestibular and lingual/palatal regions of the alveolar bone. 12 months
Secondary Vertical changes of the vestibular and lingual/palatine cortex (CBCT) Use CBCT scans to measure any vertical changes in the vestibular and lingual/palatal cortical bone regions. 12 months
Secondary Marginal bone level (periapical x-ray) Periapical X-rays are commonly used to assess marginal bone levels around dental implants. Measure the distance from the implant-abutment interface to the crestal bone on these radiographs. 12 months
Secondary Probing pocket depth Probing pocket depth can be measured using periodontal probes. Insert the probe gently into the peri-implant sulcus and measure the distance from the mucosal margin to the implant-abutment interface. 12 months
Secondary Bleeding/Suppuration on probing Assess bleeding or suppuration during probing. Note if there is any bleeding or exudate from the peri-implant sulcus when probing the tissues. 12 months
Secondary Implant survival Implant survival can be determined by assessing whether the implant remains in place and functional over the study period. Any implant removals or failures should be documented. 12 months
Secondary Patient-reported variables (satisfaction, pain) Subjective assessment of pain intensity and patient satisfaction using a 10-cm visual analog scale. The extremes of the scale are the extreme expressions of pain and discomfort (i.e., no pain and the worst imaginable pain)
Type of variable (units): scale (mm).
Time of registration: Appointment 4 (surgery), Appointment 5 (follow-up), Appointment 10 (End of study)
12 months
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