ASTRA TECH IMPLANTS-DENTAL SYSTEM FIXTURE OSSEOSPEED
K024111 · Astra Tech, Inc. · DZE · Jun 10, 2003 · Dental
Device Facts
Record ID
K024111
Device Name
ASTRA TECH IMPLANTS-DENTAL SYSTEM FIXTURE OSSEOSPEED
Applicant
Astra Tech, Inc.
Product Code
DZE · Dental
Decision Date
Jun 10, 2003
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 872.3640
Device Class
Class 2
Attributes
Therapeutic
Indications for Use
The Fixture OsseoSpeed and Fixture MicroMacro are intended for endosseous implantation in the mandible and maxilla supporting single-tooth replacements, partial and total fixed/fixed detachable bridges and overdentures. One or two stage surgical procedure can be used. When using the one stage surgical protocol, immediate loading may be applied in the anterior mandibular region (between the mental foramina) if at least four implants are splinted with a bar, or other continuous suprastructure.
Device Story
Root-form threaded dental implants; Grade 4 titanium; machined, grit-blasted, and cleaned. Used for single-tooth replacement, bridges, and overdentures. Placed via one or two-stage surgery in mandible or maxilla. Immediate loading permitted in anterior mandible if splinted with bar/suprastructure. Operated by dental professionals in clinical settings. Output is a stable foundation for dental prosthetics; aids in restoring oral function and aesthetics.
Clinical Evidence
Immediate loading claims supported by clinical data. Bench testing conducted to verify device functionality and design requirements.
Technological Characteristics
Root-form threaded dental implant; Grade 4 titanium; machined, grit-blasted, and cleaned. Diameters 3.5-5.0 mm; lengths 8-19 mm. Mechanical device; no software or energy source.
Indications for Use
Indicated for patients requiring endosseous dental implants in the mandible or maxilla for single-tooth replacement, partial/total fixed bridges, or overdentures. Immediate loading indicated only in the anterior mandible (between mental foramina) using a one-stage surgical protocol with at least four splinted implants.
Regulatory Classification
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.
Special Controls
*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.
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# JUN 1 0 2003
## 510K Summary of Safety and Effectiveness
### Astra Tech Fixture OsseoSpeed Astra Tech Fixture MicroMacro (new indication)
- 1. Sponsor Name:
Astra Tech, Inc. 430 Bedford St. Suite 100 Lexington, MA 02240
- 2. Device Name
Proprietary Names:
Astra Tech Implants - Dental System Fixture OsseoSpeed Astra Tech Implants - Dental System Fixture MicroMacro (new indication)
Common Name: Dental Implant
Classification name: Endosseous Dental Implant (21 CFR 872.3640)
- 3. Identification of Legally Marketed Device
The Fixture OsseoSpeed is substantially similar in intended use, material, and design when compared to implants previously cleared via Astra Tech's 510(k) Numbers K931767, K990304, and K991053. The Fixture OsseoSpeed is considered substantially equivalent to components previously cleared under these 510(k)'s.
The Fixture MicroMacro is a legally marketed device (K991053) that has previously been found to be substantially equivalent to fixtures covered in Astra Tech 510(k) Number K931767. This 510(k) revises its intended use to include one stage surgical procedure and immediate loading situations under conditions previously approved for other Astra Tech fixtures under K002513 and K012965, respectively.
The abutments used with the Fixture OsseoSpeed are equivalent in intended purpose, material, and design compared with the standard abutments cleared via K931767, K974738, and K980698.
- 4. Device Description
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The Fixture OsseoSpeed is a root-form threaded dental implant made of Grade 4 titanium. The implant is produced by machining process, followed by grit blasting and cleaning. It is available in diameters 3.5, 4.0, 4.5 and 5.0 mm. and lengths from 8mm to 19mm. It is placed via one or two stage surgery and the functional loading can be from immediate to delayed.
Fixture MicroMacro is of similar design and construction and is available in diameters 3.5 and 4.0mm, and lengths from 8mm to 19mm.
- ട. Intended Use
The Fixture OsseoSpeed and Fixture MicroMacro are intended for endosseous implantation in the mandible and maxilla supporting single-tooth replacements, partial and total fixed/fixed detachable bridges and overdentures. One or two stage surgical procedure can be used. When using the one stage surgical protocol, immediate loading may be applied in the anterior mandibular region (between the mental foramina) if at least four implants are splinted with a bar, or other continuous suprastructure.
- Comparison of Technological Characteristics 6.
Substantial equivalence of the Fixture OsseoSpeed is based on:
- 1. Design similarities between the proposed Fixture OsseoSpeed and the currently marketed Fixtures within the Astra Tech Dental System.
- 2. Performance testing. The proposed and currently marketed devices are very similar in terms of size, materials of construction, performance characteristics, and basic design,
The differences have no effects on the performance or safety of the Fixture OsseoSpeed as evaluated in the performance testing. The same types of safety and effectiveness characteristics are raised with each of the devices. The changes described above do not raise new questions related to safety or efficacy of the implant.
In summary, the Fixture OsseoSpeed described in this submission is substantially equivalent to the predicate devices listed, which provide the same or similar functions, as well as design and technological characteristics. Similarly, the immediate loading claim for Fixture MicroMacro is based upon its substantial equivalence with other fixtures bearing this claim. The intended use, statement of indications, technological characteristics and testing for the Fixture OsseoSpeed and Fixture MicroMacro support the concept of substantial equivalence.
14
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### 7. Performance Testing
Laboratory testing was conducted to determine device functionality and conformance to design input requirements. The immediate loading claims for Fixture Osseospeed and Fixture MicroMacro were supported by clinical data.
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Image /page/3/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo is circular and contains the words "DEPARTMENT OF HEALTH & HUMAN SERVICES • USA" around the perimeter. Inside the circle is a stylized image of an eagle or bird-like figure, represented by three curved lines that suggest the head, body, and tail feathers.
Public Health Service
JUN 1 0 2003
Food and Drug Administration 9200 Corporate Boulevard Rockville MD 20850
Astra Tech,, Incorporated C/O Mr. Bruce R. Manning New England BioMedical Research, Incorporated 96 West Main Street P.O. Box 809 Northborough, Massachusetts 01532
Re: K024111
Trade/Device Name: Astra Tech Implants- Dental System Fixture OsseoSpeed Astra Tech Implants- Dental System Fixture MicroMarco Regulation Number: 872.3640 Regulation Name: Endosseous Implant Regulatory Class: III Product Code: DZE Dated: March 13, 2003 Received: March 14, 2003
Dear Mr. Manning:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to such additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations. Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
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Page 2 -- Mr. Manning
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
This letter will allow you to begin marketing your device as described in your Section 510(k) premarket notification. The FDA finding of substantial equivalence of your device to a legally marketed predicate device results in a classification for your device and thus, permits your device to proceed to the market.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Office of Compliance at (301) 594-4613. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). You may obtain other general information on your responsibilities under the Act from the Division of Small Manufacturers, International and Consumer Assistance at its toll-free number (800) 638-2041 or (301) 443-6597 or at its Internet address http://www.fda.gov/cdrh/dsma/dsmamain.html
Sincerely yours.
Susan Gunner
Susan Runner, DDS, MA Interim Director Division of Anesthesiology, General Hospital, Infection Control and Dental Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
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### Section 3
510(k) Number (if known): K024111
Device Name:
Astra Tech Implants - Dental System Fixture OsseoSpeed Astra Tech Implants - Dental System Fixture MicroMacro (new indication)
Indications For Use:
Fixture OsseoSpeed and Fixture MicroMacro are intended for endosseous implantation in the mandible and maxilla supporting single-tooth replacements. partial and total fixed detachable bridges and overdentures. One or two stage surgical procedure can be used. When using the one stage surgical protocol, immediate loading may be applied in the anterior mandibular region (between the mental foramina) if at least four implants are splinted with a bar, or other continuous suprastructure.
### (PLEASE DO NOT WRITE BELOW THIS LINE. CONTINUE ON ANOTHER PAGE IF NEEDED)
### Concurrence of CDRH, Office of Device Evaluation (ODE)
Prescription Use
OR
Over-The-Counter Use
(Per 21 CFR 801.109)
Kein Mely for nse
of Anesthesiology, General Hospital, n Control. Dental D
510(k) Number. K024111
4
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.
