FDA 510(k) Search - By Innolitics (SaMD and AI Experts)

The 3i Implant System is designed for use in dental implant surgery. It includes a variety of types and sizes of specially designed bone implantable titanium and titanium alloy implants, including Standard and Self-Tapping Threaded Screw-Type and cylindrical press-fit implants with Titanium Plasma-Sprayed or Hydroxylapatite coatings. These implants are surgically inserted into the upper and/or lower jawbones.
Temporary Healing, Emergence Profile (EP) Abutments were designed to be attached to the implant at a second stage surgical procedure, after a sufficient healing time for the implant/bone interface to form. Healing abutments were placed to help form the soft tissues to the proper diameter of the final restoration, creating a natural Emergence Profile of the prosthesis.

PROPOSED NEW INDICATION FOR USE: Most clinicians recognize the need to protect the implant from premature loading throughout the required healing period. They also recognize the benefits of a single surgical procedure in cases that provide adequate protection of the implant/ healing abutment; such as with use of a modified, soft relined denture or a bridge, preventing mastication forces from affecting the implanted devices.
In such cases, clinicians have used "Single-Stage" implant systems such as "The ITI Dental Implant System" distributed by The Straumann Company or, the "Immediate-Load Implant" distributed by Sargon Enterprises, Inc., as well as others, or have utilized two-stage implant systems offering temporary healing abutments, such as the 3i Implant/EP System.

A single-stage surgical process by which a 3i implant is placed into the bone and a 1 or 2 piece (EP) Temporary Healing Abutment is immediately attached to the implant, may be considered in those cases where the implant and healing abutment can be adequately protected from mastication forces throughout the healing period, by opposing dentition, denture or bridge that if required, may be modified to provide such protection.

The EP Temporary Healing Abutment may be a one or two piece abutment and, will be removed after the implant is firmly anchored into the healed implant site, without surgically altering the soft tissues.

Upon placement of the implant, instead of a cover screw, a Temporary (EP) Healing Abutment, that is of suitable height for the soft tissues, is secured to the implant. The mucoperiosteal flaps are then sutured closed around the healing abutment. During the healing phase, the soft tissues form to the diameter and contours of the healing abutment, forming the tissues to the "more natural emergence profile". This benefits both patient and surgeon in that only one surgical procedure is required. Both bone and soft tissues heal during the same time period, shortening the entire implant/reconstruction process by several months and reducing the chance for infection or other complications attributed to surgery.

Upon proper healing, impressions are taken using the 3i EP Impression system (K934126), and temporary or final prosthesis fabricated. No further surgery is required.

Device Description

The 3i implant system was submitted in a Pre-Market Notification that has since been amended and modified by subsequent submissions. The 3i implant system was originally determined substantially equivalent on or about May 11, 1988. For the purpose of this submission, all 3i implants and One and Two Piece Temporary Healing, Emergence Profile (EP) Abutments are to be considered.

AI/ML Overview

This 510(k) summary does not contain a formal acceptance criteria section with a study designed to prove the device meets those criteria, as it is primarily focused on demonstrating substantial equivalence for a new indication for use of an already cleared device, rather than a new device requiring de novo validation.

The new indication for use is for single-stage surgery using existing 3i implants and temporary healing (EP) abutments, which were originally cleared for a two-stage procedure. The submission argues that this single-stage approach is substantially equivalent to other already cleared single-stage implant systems.

Therefore, the requested information about acceptance criteria, performance tables, sample sizes, ground truth establishment, and MRMC studies is not explicitly available or applicable in the provided text in the manner typically seen for a new device's performance validation.

However, based on the provided text, we can infer the "acceptance criteria" through the conditions under which the new indication is considered safe and effective, and the "study" is the comparison to substantially equivalent devices and the known clinical studies referenced for implant integration.

Here's an attempt to structure the information based on your request, highlighting what is implicitly stated or not directly provided:

1. Table of Acceptance Criteria and Reported Device Performance

As there are no explicit quantitative acceptance criteria or a dedicated performance study for this specific new indication, this section will define inferred "acceptance criteria" based on the described conditions for successful single-stage surgery and the comparative nature of the submission. "Reported device performance" would refer to the general understanding of 3i implant and healing abutment behavior, coupled with the claim of substantial equivalence.

Acceptance Criterion (Inferred from conditions for safe and effective use)	Reported Device Performance (Inferred from substantial equivalence and general knowledge of 3i)
Successful Osseointegration: Firm and direct connection between living bone and implant surface during healing period, without premature loading.	"A successfully integrated implant will achieve a firm and direct connection between the living bone and the surface of the titanium or titanium alloy implant when surgically implanted under controlled conditions, per well-known clinical studies." The 3i implants are known to achieve osseointegration under controlled conditions.
Adequate Protection from Mastication Forces: The implant and healing abutment must be protected from premature loading throughout the healing period.	Achieved by:

Use of a modified, soft relined denture
Use of a bridge
This protection prevents mastication forces from affecting the implanted devices. |
| Proper Soft Tissue Healing and Formation: Soft tissues should heal around the healing abutment to the proper diameter and contours, forming a natural emergence profile. | "During the healing phase, the soft tissues form to the diameter and contours of the healing abutment, forming the tissues to the 'more natural emergence profile'." This is a described benefit and expected outcome of using the EP Temporary Healing Abutments in a single-stage procedure. |
| Reduced Surgical Procedures and Healing Time: The procedure should effectively shorten the overall implant/reconstruction process by consolidating bone and soft tissue healing into one period. | "Both bone and soft tissues heal during the same time period, shortening the entire implant/reconstruction process by several months and reducing the chance for infection or other complications attributed to surgery." This is a stated benefit and functional outcome. |
| Substantial Equivalence to Predicate Single-Stage Systems: The 3i single-stage protocol should perform comparably to legally marketed single-stage systems in terms of safety and effectiveness within their indications. | The submission claims substantial equivalence to "The ITI Dental Implant System" (Straumann Company) and the "Immediate-Load Implant" (Sargon Enterprises, Inc.) for single-stage surgical procedures, within the safety conditions outlined (e.g., no immediate loading recommended for 3i). The 3i system is described as offering advantages in abutment choices. |

2. Sample Size Used for the Test Set and Data Provenance

Sample Size: Not applicable/provided. This submission does not describe a new clinical study. It refers to "well known clinical studies" for general implant integration, but no specific test set or sample size is detailed for the new indication.
Data Provenance: Not applicable. The submission leverages existing knowledge about 3i implants and compares the proposed single-stage approach to existing, cleared single-stage systems on the market. It's a regulatory argument of substantial equivalence based on engineering principles and clinical understanding, not a new clinical trial.

3. Number of Experts Used to Establish the Ground Truth for the Test Set and Qualifications of Those Experts

Not applicable. There was no "test set" and thus no independent ground truth established by experts specifically for this submission. The basis for safety and effectiveness is established by the prior clearance of 3i devices, general scientific understanding of dental implants, and the regulatory pathway of substantial equivalence to predicate devices which have already undergone such scrutiny.

4. Adjudication Method for the Test Set

Not applicable. No test set was used requiring adjudication.

5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study Was Done

No, an MRMC comparative effectiveness study was not done or described in this 510(k) summary. The submission focuses on the safety and effectiveness of the single-stage surgical protocol using existing devices by comparing it to predicate devices, not on the performance of human readers with or without AI assistance.

6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) Was Done

Not applicable. This device is a physical medical device (dental implant and abutments) and a surgical protocol, not an algorithm or AI system. Therefore, standalone algorithm performance is not relevant.

7. The Type of Ground Truth Used

The "ground truth" implicitly relied upon is:
- Expert Consensus/Established Clinical Knowledge: The general understanding of successful osseointegration, proper surgical techniques, patient selection, and potential complications in dental implantology, as described in medical literature and accepted clinical practice.
- Regulatory Clearance of Predicate Devices: The established safety and effectiveness of the 3i implant system (through its original 510(k) clearance in 1988) and the predicate single-stage implant systems (ITI Dental Implant System and Immediate-Load Implant by Sargon Enterprises, Inc.) previously cleared by the FDA. The submission argues that the 3i device, used in a single-stage protocol under specific conditions, will be as safe and effective as these predicate devices.

8. The Sample Size for the Training Set

Not applicable/provided. No "training set" in the context of machine learning or a specific clinical trial is described. The development of the 3i implant system and the understanding of its performance would have been based on historical clinical data, scientific literature, and engineering principles, but no specific training set size is mentioned.

9. How the Ground Truth for the Training Set Was Established

Not applicable. As there is no described training set for an AI/algorithm, this question is not relevant to the provided 510(k) summary. The "ground truth" for the original 3i implant system's development and clinical understanding would have been established through a combination of biomechanical testing, animal studies, and human clinical trials prior to its initial clearance. However, this submission does not detail those historical processes.

Summary

Regulation Number and Section

§ 872.3640 Endosseous dental implant.

(a)
Identification. An endosseous dental implant is a prescription device made of a material such as titanium or titanium alloy that is intended to be surgically placed in the bone of the upper or lower jaw arches to provide support for prosthetic devices, such as artificial teeth, in order to restore a patient's chewing function.(b)
Classification. (1) Class II (special controls). The device is classified as class II if it is a root-form endosseous dental implant. The root-form endosseous dental implant is characterized by four geometrically distinct types: Basket, screw, solid cylinder, and hollow cylinder. The guidance document entitled “Class II Special Controls Guidance Document: Root-Form Endosseous Dental Implants and Endosseous Dental Implant Abutments” will serve as the special control. (See § 872.1(e) for the availability of this guidance document.)(2)
Classification. Class II (special controls). The device is classified as class II if it is a blade-form endosseous dental implant. The special controls for this device are:(i) The design characteristics of the device must ensure that the geometry and material composition are consistent with the intended use;
(ii) Mechanical performance (fatigue) testing under simulated physiological conditions to demonstrate maximum load (endurance limit) when the device is subjected to compressive and shear loads;
(iii) Corrosion testing under simulated physiological conditions to demonstrate corrosion potential of each metal or alloy, couple potential for an assembled dissimilar metal implant system, and corrosion rate for an assembled dissimilar metal implant system;
(iv) The device must be demonstrated to be biocompatible;
(v) Sterility testing must demonstrate the sterility of the device;
(vi) Performance testing to evaluate the compatibility of the device in a magnetic resonance (MR) environment;
(vii) Labeling must include a clear description of the technological features, how the device should be used in patients, detailed surgical protocol and restoration procedures, relevant precautions and warnings based on the clinical use of the device, and qualifications and training requirements for device users including technicians and clinicians;
(viii) Patient labeling must contain a description of how the device works, how the device is placed, how the patient needs to care for the implant, possible adverse events and how to report any complications; and
(ix) Documented clinical experience must demonstrate safe and effective use and capture any adverse events observed during clinical use.