Stability of the Marginal Bone Around Subcrestal Implants

Status Completed

Clinical Trial Summary

The extent of marginal bone remodeling around the neck of dental implants has been used for many years as a criterion for defining their long-term success. Apico-coronal position represents a crucial factor in this field. This study aims to establish the optimal insertion depth of a subcrestal implant, with the aim of minimizing the bone resorption.

Clinical Trial Description

The extent of marginal bone remodeling around the neck of dental implants has been used for many years as a criterion for defining their long-term success. In reality, the etiology of this bone remodeling (Marginal Bone Loss-MBL) has not yet been well understood, although many theories have been proposed to explain it. The influence of mucosal thickness on marginal bone loss has been discussed by Cochran et al., which suggest a protective action for the underlying soft tissue bone that recreates a sort of "biological width" around the implant. In fact, some studies have hypothesized that a marginal bone loss> 2.0 mm provides the vertical space for the correct restoration of biological width. Linkevicius et al. have published various studies that have shown that, in crestally placed implants with switching platform, a vertical thickness of the soft tissues greater than 2 mm is effective in preventing the loss of peri-implant marginal bone. However, other authors have demonstrated significant marginal bone loss around implants with low prosthetic abutments compared to those with higher prosthetic abutments. In particular, the extent of bone loss was more reduced when the height of the abutment was> 2 mm. From a theoretical point of view, a 3 mm high prosthetic abutment, calculated from the apical edge of the crown to the implant platform, should provide adequate space for restoring biological width. Furthermore, a recent study conducted on subcrestal implants has shown that early marginal bone resorption, in addition to being linked to the thickness of the soft tissues and the height of the abutment, is negatively influenced by the depth of implant insertion. However, the same study underlines that implants inserted more deeply, while losing more marginal bone than more superficial implants, are covered by a greater bone thickness at the end of the remodeling process. This study aims to establish the optimal insertion depth of a subcrestal implant, with the aim of minimizing the resorption of the marginal bone and keeping the implant platform below the bone level after 12 months of prosthetic loading. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05494476
Study type	Interventional
Source	International Piezosurgery Academy
Contact
Status	Completed
Phase	N/A
Start date	October 23, 2020
Completion date	July 15, 2022

View Details

See also
Status	Clinical Trial	Phase
Not yet recruiting	`NCT05470673` - Autogenous Demineralized Dentin Graft Combined With Injectable PRF + Metronidazole Versus Autogenous Demineralized Dentin Graft Alone for Alveolar Ridge Preservation	N/A
Recruiting	`NCT02580721` - The Influence of Mucosal Tissue Thickness on Soft and Hard Tissue Changes Around Implants	N/A
Completed	`NCT02515058` - Ridge Preservation Following Tooth Extraction Using Two Mineralized Cancellous Bone Allografts	N/A
Enrolling by invitation	`NCT02209311` - Effectiveness and Safety of Method of Maxilla Alveolar Process Reconstruction Using Synthetic Tricalcium Phosphate and Autologous MMSCs	Phase 1/Phase 2
Completed	`NCT02602223` - Comparison of Amnion Chorion Membrane vs. Dense Polytetrafluoroethylene Membrane in Ridge Preservation Procedures	Phase 2
Completed	`NCT02255149` - A Feasibility Study for Growth Bone Vertically With Titanium Mesh and Allograft in Lower Posterior Jaw	N/A
Recruiting	`NCT05674331` - Clinical, Radiographical, Histological Evaluation and Blood Flow Analysis of Alveolar Ridge Preservation	N/A
Recruiting	`NCT06081296` - Dimensional Changes in Alveolar Ridge Preservation	N/A
Completed	`NCT03944811` - Bone Height Gain Following Transcrestal Sinus Floor Elevation Using Piezoelectric Surgery Versus The Conventional Osteotome Technique	N/A
Completed	`NCT03045458` - Associations of Alveolar Bone Loss and Interleukin-1β Levels in One and Two Stage Surgical Procedures	N/A
Completed	`NCT05595746` - Radiological Bone Loss on Different Levels of Dental Implants	N/A
Completed	`NCT03357705` - Effectiveness in Limiting the Need to Elevate the Maxillary Sinus	N/A
Recruiting	`NCT05311735` - Mineralized and Partial Demineralized Dentin Graft Compared to FDBA	N/A
Not yet recruiting	`NCT05536479` - Evaluation of Autogenous Stored Versus Autogenous Fresh Mineralized Dentin Graft for Alveolar Ridge Preservation	N/A
Active, not recruiting	`NCT02275767` - Histological Evaluation of Healing Following Ridge Preservation Using a Combined Cortical/Cancellous Mineralized Freeze-Dried Bone Allograft	N/A
Active, not recruiting	`NCT02120053` - Interest of Bone Substitute Material in Immediate Complete Denture	Phase 2/Phase 3
Completed	`NCT01728844` - GUIDOR® Growth Factor Enhanced Bone Graft Substitute for the Treatment of Periodontal Defects 6-months Post-Surgery	N/A
Terminated	`NCT00991965` - Localized Alveolar Ridge Augmentation With Dental Implant	N/A
Terminated	`NCT00991432` - Localized Alveolar Ridge Augmentation With Space Maintenance Devices	N/A
Completed	`NCT03149172` - Comparison of Post Tooth Extraction Healing Using Different Xenograft Materials	N/A