Predictable Implant Restoration with Fewer Visits!
Nexus iOS Scan Gauges Loaned Out from Rotsaert Dental Laboratory
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Your Concierge to Predictable Outcomes
Hybrid
The strongest and most durable Nexus indication. The Nexus Hybrid is designed to match the gum contour through precision milling.
Bar and overlay are chemically bonded together for unparalleled fit whilst
eliminating any internal stresses.
- FP2-FP3 style restoration
- Artificial gingiva designed to hide transition line
- Designed to be our most durable fixed restoration
- Smooth titanium lingual profile conforms to tissue shape
- Ordered via Rotsaert Dental Laboratory
Bridge
Superior strength due to the unique bar profile and monobloc milled tooth overlay.
Designed to restore cases with very little interocclusal space, offering greater surgical flexibility.
- FP1 (Crown and Bridge style) restoration
- A titanium reinforced prosthesis that still conforms to ovate pontic shape
- Smooth metal lingual profile conforms to the scalloped tissue
- Ordered via Rotsaert Dental Laboratory
Removable
A precision-milled telescopic sleeve with cemented overlay fits onto a primary bar via a combination of clips and locator attachments.
Bar and overlay are chemically bonded together for an unparalleled fit, whilst eliminating any internal stresses.
- Feels like a fixed prosthesis, with the hygienic benefits of a removable
- Optional flange design to provide lip support and facial structure
- Utilizes LOCATOR-style attachments, with Vario-clips where VD is limited
- Ordered via Rotsaert Dental Laboratory
Micro Bridge
A solution for partial bridges on multi-unit abutments, the Nexus Micro offers the best outcome for prioritizing strength and is often the choice for trauma cases.
- Traditional bridge profile reinforced with a titanium bar for strength
- 3 units or more
- Accommodates for adjacent natural dentition
- Ordered via Rotsaert Dental Laboratory
Hybrid
Bridge
Removable
Micro Bridge
With Nexus’ advanced iOS Scan Gauge technology and Rotsaert’s expert craftsmanship, clinicians can achieve consistently predictable, streamlined results – every time.
Design Parameters - Clinical Considerations
Design Parameters – Clinical Considerations – Osteon Medical
The design parameters are guidelines – due to the organic nature of each patient-matched prosthesis, some of the specifications may be adjusted on a case-by-case basis.
Key Clinical Factors
- Interocclusal Space
- Inter-Implant Distance
- Implant Divergence
- Maximum Cantilever
- Multi-Unit Selection
Interocclusal Minimums
Interocclusal space is measured from the highest point on the restoring tissue to the opposing occlusal plane.
 |
1. Prosthethic | 2. Opposing | 3. Interocclusal Minimum |
| 1. Single Arch | 2. Existing Natural Dentition & Tissue-Borne Denture | 3. 6-7mm per Arch | |
| 1. Dual Arch | 2. Zirconia and Acrylic | 3. 7-8mm per Arch | |
| 1. Bruxer Patient, Single Arch | 2. Existing Natural Dentition | 3. 8-9mm per Arch | |
| 1. Bruxer Patient, Dual Arch | 2. Zirconia and Acrylic | 3. 8-9mm per Arch | |
| 1. Micro sectional Bridge | 2. Existing Natural Dentition | 3. 6-9mm per Restoration |
Inter-Implant Distance
Maximum Inter-Implant Distance: 25mm
Minimum Inter-Implant Distance: 2mm
Maximum Implant Divergence (Path of Insertion)
The maximum angle of divergence between any two multi-unit abutments in an arch cannot exceed 45°.
Severe angulation may be corrected with angled-MUA selection. If uncorrected, bars will not seat due to path of insertion.
Cantilever
Nexus titanium bar retained fixed final prosthetics can accommodate a maximum cantilever of 15mm. Prosthetics with larger cantilevers will fall out of standard design parameters and may void the warranty.
Multi-Unit Abutment Selection (Recommendations)
Implant placement and subsequent multi-unit abutment selection should aim to maximize restorative space.
Subgingival
The best outcome to maximize restorative height is 1mm or more below the tissue. The prosthetic bar will include a chimney to meet the Multi-Unit into the tissue. Not ideal for non-bar retained prosthetics.
Equigingival
Necessary to ensure hygienic prosthetic design and convex bar shape on the intaglio surface.
Supragingival
MUA’s proud of the gingiva will reduce the restorative space and require the prosthesis to be raised significantly off the tissue or require a concave design.
Nexus scan gauges offer extremely passive fixed implant restorations because of the accuracy of the calibrated scan gauges and the titanium substructure of the prosthesis.
Gauges comes in 2 heights 3mm and 5mm aim for minimum gap between tissue and gauge heights.
To achieve this accuracy a specific scanning technique must be achieved.
- All scan gauges must be overlapping and not touching. Rotsaert provides you with a scan gauge map to help with easy placement of gauges
- Placement image with colour-coded images for easy reference of sizing.
- Placement of scan gauges is easy to scan. Gauges are overlapped and not touching each other.
Placing Gauges Correctly
Scan Gauges work by creating consistent and stable surfaces that link across the patient arch. To do this, scan gauges must be close together with side-by-side placement.
How to Scan: Scan Gauges
*Turn off the AI Function
Scan Gauges work by creating consistent and stable surfaces that link across the patient arch. To do this, scan gauges must be close together with side-by-side placement.
Remove any moisture from the scanning area before beginning your scan.
Saliva and blood may cause distortions in the scan data.
Scanning must be completed in a single sweep. Move in one continuous direction.
Begin your scan at the furthest posterior gauge. Sweep across the arch, zig-zagging in one direction to the opposite side.
A single scan should take ~30-45 seconds.
Scan all facets of the scan gauges. Any surrounding tissue is helpful, but not critical.
To capture all facets, slowly and gently tilt the scanner from side to side.
Missing Facets, Artifacts, and Re-Scanned Areas
If any artifacts of mistakes appear in the scan data, or if any of the facets of the scan gauges are missing, please delete the scan and start a new one, as this indicates data corruption.
Nexus Analyzer
Analyze your implant scans using Nexus Analyzer. Simply drop in the two Scan Gauge scans, align, and get an immediate result during the scanning process.
Never be unsure of a full-arch impression’s accuracy again.
Upper and Lower Protocols: Suggested Scans
Restorative (Final): Upper from screw-retained
For patients with integrated implants and an existing screw-retained bridge on the upper arch.
Total Scans:
2 Patient Photos
7 Scans
Pros. in-situ. Full-face, ears visible, relaxed bite, smiling. With and without retractors.
Foundation Scans - with Existing Prosthesis
Upper Prosthesis In-Situ
Lower Dentition
Bite Scan with
Existing Prosthesis In-Situ
Upper Arch
Upper Gauge Scan L to R
Upper Gauge Scan R to L
Upper Tissue Scan
with narrow scan bodies in greatest AP spread
Upper Prosthesis 360°
with Scan Analogs in greatest AP spread
Note: When exporting finalized scans, Primescan does not export a separate bite STL/PLY.
Restorative (Final): Lower from screw-retained
For patients with integrated implants and an existing screw-retained bridge on the lower arch.
Total Scans:
2 Patient Photos
7 Scans
Pros. in-situ. Full-face, ears visible, relaxed bite, smiling. With and without retractors.
Foundation Scans - with Existing Prosthesis
Upper Dentition
Lower Prosthesis In-Situ
Bite Scan with
Existing Prosthesis In-Situ
Lower Arch
Lower Gauge Scan L to R
Lower Gauge Scan R to L
Lower Tissue Scan
with narrow scan bodies in greatest AP spread
Lower Prosthesis 360°
with Scan Analogs in greatest AP spread
Note: When exporting finalized scans, Primescan does not export a separate bite STL/PLY.
Restorative (Final): Upper from Denture
For patients with integrated implants and an existing denture on the upper arch.
Total Scans:
2 Patient Photos
5 Scans
Denture in-situ. Full-face, ears visible, relaxed bite, smiling. With and without retractors.
Foundation Scans - with Existing Prosthesis
Upper Denture – 360°
Stabilized with Wash
Lower Dentition
Bite Scan (Denture Stabilized)
Upper Arch
Upper Gauge Scan L to R
Upper Gauge Scan R to L
Note: When exporting finalized scans, Primescan does not export a separate bite STL/PLY.
Restorative (Final): Lower from Denture
For patients with integrated implants and an existing denture on the upper arch.
Total Scans:
2 Patient Photos
5 Scans
Denture in-situ. Full-face, ears visible, relaxed bite, smiling. With and without retractors.
Foundation Scans - with Existing Prosthesis
Upper Dentition
Lower Denture – 360°
Stabilized with Wash
Bite Scan (Denture Stabilized)
Lower Arch
Lower Gauge Scan L to R
Lower Gauge Scan R to L
Note: When exporting finalized scans, Primescan does not export a separate bite STL/PLY.
Success is in the Details!
At Rotsaert Dental Laboratory, we are your concierge to predictable outcomes. Our team will work with you to create a predictable result in fewer visits when using the Nexus iOS Scan Gauges.