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The Use of a New Safe Angle Position for Implant Placement in the Anterior Region.

The Use of a New Safe Angle Position for Implant Placement in the Anterior Region: A Cross-sectional Study

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT05436158
Enrollment
100
Registered
2022-06-28
Start date
2022-05-01
Completion date
2022-09-30
Last updated
2022-06-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anterior Maxilla, Esthetic Zone, Immediate Implant Placement, Safe Angle Position

Keywords

Immediate dental implants, anterior maxilla, safe angle position

Brief summary

There is an angle between the intersection of the incisal long axis perpendicular to the palate or the occlusal plane, and the long axis of the root. When this relation is shifted more palatal, where the incisal plane line will be at the cingulum position or slightly palatal to it, it is named the safe angle position. The more palatal relocation to the cingulum is performed according to the availability of palatal bone, the occlusion with the opposing dentition, the type of the restoration (screw vs cemented). The possibility of having a specific safe angle to place implants opens new interesting perspectives for immediate placement of dental implants. The aim of the present study was to demonstrate how immediate implants in the safe angle position can be predictably achieve proper implant positioning, better esthetics and emergence profile as well as less stresses on the implant.

Detailed description

Immediate implants are implants inserted immediately after surgical extraction of the teeth to be replaced. Creation of an anatomically correct emergence profile is one of the most important aspects in providing an esthetically pleasing implant-supported restoration. Dentists understand the risks involved when restored prostheses are subjected to non-axial loading. It has always been recommended to direct occlusal loads as close to the long axis of the fixture as possible. However, it is known that the loading on angled abutments is mostly off-axis, which raises the concern of how angled abutments generally perform with such an unfavourable loading regimen. There is an angle between the intersection of the incisal long axis perpendicular to the palate or the occlusal plane, and the long axis of the root. When this relation is shifted more palatal, where the incisal plane line will be at the cingulum position or slightly palatal to it, it is named the safe angle position. The more palatal relocation to the cingulum is performed according to the availability of palatal bone, the occlusion with the opposing dentition, the type of the restoration (screw vs cemented). The possibility of having a specific safe angle to place implants opens new interesting perspectives for immediate placement of dental implants. The aim of the present study was to demonstrate how immediate implants in the safe angle position can be predictably achieve proper implant positioning, better esthetics and emergence profile as well as less stresses on the implant.

Interventions

OTHERImplant placement in the safe angle position in the anterior maxilla

After assessing the CBCT of patients, the immediate implants will be assessed if they were placed in the safe zone. the safe zone is described as; that there is an angle between the intersection of the incisal long axis perpendicular to the palate or the occlusal plane, and the long axis of the root. When this relation is shifted more palatal, where the incisal plane line will be at the cingulum position or slightly palatal to it, it is named the safe angle position. The more palatal relocation to the cingulum is performed according to the availability of palatal bone, the occlusion with the opposing dentition, the type of the restoration (screw vs cemented).

Sponsors

Cairo University
Lead SponsorOTHER

Study design

Observational model
OTHER
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
ALL
Age
21 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

1. Patients with immediate implants in the anterior region 2. Patient with preoperative and postoperative CBCT 3. Provide informed consent.

Exclusion criteria

1. patients without a preoperative CBCT. 2. 2- patients without an informed consent.

Design outcomes

Primary

MeasureTime frameDescription
presence of the implant in the safe angle6 monthsbinary (Y/N) from CBCT
use of angled or straight abutment6 monthsBinary (straight/angled)

Secondary

MeasureTime frameDescription
Pink Esthetic Score6 monthsPink Esthetic Score (1-14)

Countries

Egypt

Contacts

Primary ContactNesma M Shemais, PhD
nesma.shemais@dentistry.cu.edu.eg01005615697
Backup ContactNoha A Ghallab, PhD
noha.ghallab@dentistry.cu.edu.eg

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026