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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05748379
Other study ID # SIAAdenta
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date November 30, 2022
Est. completion date December 10, 2024

Study information

Verified date February 2023
Source SIA Adenta
Contact Vitalijs Gnusins, DDS
Phone +371 29993389
Email v.gnusins@gmail.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

40 patients are included in the study, 20 patients in group 1 (=closure with composite material shaper; test group) and 20 patients in group 2 (=closure with custom-made zirconia oxide abutment; control group). Randomisation envelopes will be used for randomisation. Device under study: Straumann BLX, Roxolid® , SLActive® dental implants with a diameter of 3.5, 3.75, 4, 4.5 mm are used. Allogenic bone botiss maxgraft® cortical granules are used as graft material. Inclusion criteria: 1. Males and females at least 18 years of age or older. 2. One implant per patient. 3. Prior to any study-related activity, the subject must voluntarily sign informed consent, be willing and able to attend scheduled follow-up visits, and agree to the collection and analysis of pseudonymised data. 4. Lateral individual teeth (premolars and molars). 5. Class I extraction socket (intact buccal wall) or class II (1/3 of buccal wall). 6. The gingival contour of the tooth to be extracted - without recession. 7. Adjacent anterior teeth have no periodontal loss. 8. There are no implants in the adjacent teeth. 9. Non-traumatic tooth extraction, which results in intact walls of the socket. Exclusion criteria: 1. Deep occlusion (severe, class II). 2. The patient smokes a lot (more than 10 cigarettes per day). 3. Systemic disease (osteoporosis). 4. No initial stability has been achieved after the implant insertion procedure.


Description:

General Notes 40 patients are included in the study, 20 patients in group 1 (=closure with composite material shaper; test group) and 20 patients in group 2 (=closure with custom-made zirconia oxide abutment; control group). Randomisation envelopes will be used for randomisation. Device under study: Straumann BLX, Roxolid® , SLActive® dental implants with a diameter of 3.5, 3.75, 4, 4.5 mm are used. Allogenic bone botiss maxgraft® cortical granules are used as graft material. Inclusion criteria: 1. Males and females at least 18 years of age or older. 2. One implant per patient. 3. Prior to any study-related activity, the subject must voluntarily sign informed consent, be willing and able to attend scheduled follow-up visits, and agree to the collection and analysis of pseudonymised data. 4. Lateral individual teeth (premolars and molars). 5. Class I extraction socket (intact buccal wall) or class II (1/3 of buccal wall). 6. The gingival contour of the tooth to be extracted - without recession. 7. Adjacent anterior teeth have no periodontal loss. 8. There are no implants in the adjacent teeth. 9. Non-traumatic tooth extraction, which results in intact walls of the socket. Exclusion criteria: 1. Deep occlusion (severe, class II). 2. The patient smokes a lot (more than 10 cigarettes per day). 3. Systemic disease (osteoporosis). 4. No initial stability has been achieved after the implant insertion procedure. 4.2. Surgical Procedures and Recovery Phase (see Annexes No. 1 and 2) Group 1. Immediate implant placement and temporary closure of tapered implants with a custom-made composite shaper after tooth extraction with bone augmentation by using allogeneic bone. 1. Non-traumatic extraction. 2. Palatal position of tapered implant for premolars and centred position for molars (more commonly - in the septum) 3-4 mm below the buccal gum line or 1-2 mm below the bony protuberance. 3. For premolars, the implant is placed palatally 2-3 mm to the buccal bone wall, for molars 2-3 mm to the buccal and lingual wall. 4. Implant insertion. 5. "Jump distance" sealing with allogeneic bone. 6. Temporary closure with a composite shaper. 7. Cone beam computed tomography with Carestream machine. 8. Taking a photo. 9. Scan with 3Shape TRIOS4 scanner. After 3 months, a cone beam computed tomography is performed to evaluate changes in the crestal bone, the temporary restoration is screwed off and the presence/absence of bleeding is recorded. A digital impression is taken for a zirconium oxide crown made on Ti base and to assess soft tissue changes. The change in the buccal vertical bone level will be measured as the difference between the former and the new vertical distance from implant platform to the buccal alveolar crest. While the change in the buccal horizontal bone dimension will be measured as the difference between the former and the new horizontal distance between the implant and the outer surface of the buccal plate. Both measurements will be taken using CBCT, one immediately after the surgery and the other one 3 month later. Intraoral scans with 3Shape Trios4 dental scanner will be taken to compare soft tissue stability. Measurements will be taken before, immediately after the surgery and 3 month later. By using STL files it will be possible to compare soft tissue stability. Group 2. Immediate implant placement and temporary closure of tapered implant with a custom-made zirconium oxide abutment after tooth extraction with bone augmentation by using allogeneic bone. 1. Non-traumatic extraction. 2. Palatal position of tapered implant for premolars and centred position for molars (more commonly - in the septum) 3-4 mm below the buccal gum line or 1-2 mm below the bony protuberance. 3. For premolars, the implant is placed palatally 2-3 mm to the buccal bone wall, for molars 2-3 mm to the buccal and lingual wall. 4. Implant insertion. 5. "Jump distance" sealing with allogeneic bone. 6. Closure with a zirconium oxide abutment. 7. Cone beam computed tomography with Carestream machine. 8. Taking a photo. 9. Scan with 3Shape TRIOS4 scanner. After 3 months, a cone beam computed tomography is performed to evaluate changes in the crestal bone, the custom-made abutment is screwed off and the presence/absence of bleeding is recorded. A digital impression is taken for a zirconium oxide crown and to assess soft tissue changes. The change in the buccal vertical bone level will be measured as the difference between the former and the new vertical distance from implant platform to the buccal alveolar crest. While the change in the buccal horizontal bone dimension will be measured as the difference between the former and the new horizontal distance between the implant and the outer surface of the buccal plate. Both measurements will be taken using CBCT, one immediately after the surgery and the other one 3 month later. Intraoral scans with 3Shape Trios4 dental scanner will be taken to compare soft tissue stability. Measurements will be taken before, immediately after the surgery and 3 month later. By using STL files it will be possible to compare soft tissue stability. Evaluation Phase T1 (Basic): After the performance of final restoration: X-ray, photograph, scan, PD, BOP, RI. T2: Follow-up after 3 months: X-ray, photograph, scan, PD, BOP, RI. T3: Follow-up after a year: X-ray, photograph, scan, PD, BOP, RI.


Recruitment information / eligibility

Status Recruiting
Enrollment 44
Est. completion date December 10, 2024
Est. primary completion date December 10, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Males and females at least 18 years of age or older. 2. One implant per patient. 3. Prior to any study-related activity, the subject must voluntarily sign informed consent, be willing and able to attend scheduled follow-up visits, and agree to the collection and analysis of pseudonymised data. 4. Lateral individual teeth (premolars and molars). 5. Class I extraction socket (intact buccal wall) or class II (1/3 of buccal wall). 6. The gingival contour of the tooth to be extracted - without recession. 7. Adjacent anterior teeth have no periodontal loss. 8. There are no implants in the adjacent teeth. 9. Non-traumatic tooth extraction, which results in intact walls of the socket. Exclusion Criteria: 1. Deep occlusion (severe, class II). 2. The patient smokes a lot (more than 10 cigarettes per day). 3. Systemic disease (osteoporosis). 4. No initial stability has been achieved after the implant insertion procedure

Study Design


Intervention

Procedure:
Kompozite closure
Immediate implant placement and temporary closure of tapered implants with a custom-made composite shaper.
Individual abutment
Immediate implant placement and temporary closure of tapered implant with a custom-made zirconium oxide abutment.

Locations

Country Name City State
Latvia Adenta Riga Latvija

Sponsors (1)

Lead Sponsor Collaborator
SIA Adenta

Country where clinical trial is conducted

Latvia, 

References & Publications (3)

Alexopoulou M, Lambert F, Knafo B, Popelut A, Vandenberghe B, Finelle G. Immediate implant in the posterior region combined with alveolar ridge preservation and sealing socket abutment: A retrospective 3D radiographic analysis. Clin Implant Dent Relat Res — View Citation

Guidetti LG, Monnazzi MS, Piveta AC, Gabrielli MA, Gabrielli MF, Pereira Filho VA. Evaluation of single implants placed in the posterior mandibular area under immediate loading: a prospective study. Int J Oral Maxillofac Surg. 2015 Nov;44(11):1411-5. doi: — View Citation

Sanz-Martin I, Permuy M, Vignoletti F, Nunez J, Munoz F, Sanz M. A novel methodological approach using superimposed Micro-CT and STL images to analyze hard and soft tissue volume in immediate and delayed implants with different cervical designs. Clin Oral — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Stability of crestal bone To compare crystal bone stability CBCT will be taken before surgery. , immediately after surgery, after 3 month and a follow up after 1 year.
The change in the buccal vertical bone level will be measured as the difference between the former and the new vertical distance from implant platform to the buccal alveolar crest.
While the change in the buccal horizontal bone dimension will be measured as the difference between the former and the new horizontal distance between the implant and the outer surface of the buccal plate. Both measurements will be taken using CBCT, one immediately after the surgery and the other one 3 month later
Before surgery, immediately after surgery, 3 moth, 1 year follow up
Primary The changes of stability of soft tissue Recession (REC) state of the gingival/mucosa border - registered by means of a periodontal probe from the incisal edge to the border of the medial, zenith and distal zones.
There are taken scans with 3Shape Trios4 before surgery, immediately after, then 3 month and 1 year follow up to compare soft tissue stability
Before surgery, immediately after surgery, 3 month, 1 year follow up
Primary The change of position of implant using surgical guide To compare implant position accuracy using surgical guide, the following two things will be compared: DICOM after the surgery witch contains information on the implant position in the bone and the STL file witch contains information on implant position before the surgery.
There are taken cone beam computer tomography before and immediately after surgery, then 3 month and 1 year follow up.
Before surgery and immediately after surgery
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