Accuracy and Primary Stability of Straight and Tapered Implants in Immediate Implant Placement Using Dynamic Navigation

Not Applicable

Completed

• Conditions: Tooth Diseases
• Interventions: Procedure: Straight Implants; Procedure: Tapered Implants

• Registration Number: NCT04853121
• Lead Sponsor: Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University

Brief Summary

Prosthetic-driven immediate implant placement for optimal aesthetic restoration has been increasing in demand during the last decades but requires higher accuracy. Dynamic navigation has been a reported better implant positioning. There are two main choices of implant macrogeometry: straight and tapered implants. One feature of implant design that may influence implants' accuracy is the taper of the implant body. However, their exact role is still needed to be investigated further. Besides, implant macrogeometry may influence primary stability, which is a prerequisite in achieving osseointegration. Therefore, we designed a randomized controlled clinical trial study to verify the clinical efficacy of the implant macrogeometry by comparing straight implants with tapered implants in immediate implant placement using dynamic navigation.

Detailed Description

Not available

Study Timeline

• Study Start: 2021-02-01
• Study First Submitted: 2021-03-23
• Study First Submitted QC: 2021-04-20
• Study First Posted: 2021-04-21
• Primary Completion: 2021-12-31
• Study Completion: 2022-01-31
• Status Verified: 2022-03
• Last Update Submitted: 2022-03-28
• Last Update Posted: 2022-03-31

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 20

Inclusion Criteria

1. ≥18 years old and in good health;
2. The maxillary incisor that cannot be retained due to non-periodontitis;
3. The buccal bone plate is complete;
4. No acute infection;
5. The extraction socket have at least 3-5 mm apical bone.

Exclusion Criteria

1. General contraindications of oral implant surgery (such as immunodeficiency, long-term use of corticosteroids);
2. Treatments or diseases that may affect bone tissue metabolism (for example, taking bisphosphonates or receiving local radiotherapy);
3. Periodontitis history or uncontrolled periodontitis. Bleeding of probing (BOP) positive site ≥ 10%, or probing depth (PD) ≥ 4mm;
4. Heavy smokers or previous heavy smoking history (quit smoking time <5 years or> 20 cigarettes per day);
5. Refuse to participate in this trial.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
straight implant	Straight Implants	-
tapered implant	Tapered Implants	-

Primary Outcome Measures

Name	Time	Method
Accuracy	one week	mm

Secondary Outcome Measures

Name	Time	Method
Insetion torque value, ITV	surgery day	to detect primary stability
Implant Stability Quotient, ISQ	surgery day	to detect primary stability

Trial Locations

Locations (1)

Shanghai Ninth People's Hospital; 🇨🇳 Shanghai, China