Temporary Crowns & Bridges
SprintRay Digital Temp — Lab Manufacturing Procedure
Smile Avenue Family Dentistry — In-House Laboratory
SprintRay Digital Temp — Lab Manufacturing Procedure
| Document ID | SOP-LAB-050 |
| Version | 0.1 DRAFT |
| Effective (target) | 09/10/2026 |
| Owner | Lab Technician (process owner) |
| Related | Station Job Aid SOP-LAB-050-JA |
| Status | DRAFT FOR REVIEW |
Start: Case received in Medit Lab with scan QC
End: Temporary restoration bagged and logged in SEAZONA for outbound delivery
1. Purpose
This procedure standardizes in-house manufacturing of SprintRay Digital Temp temporary full/partial crowns and temporary bridges so every case meets the same quality, safety, and traceability standard before leaving the lab.
2. Scope
In scope: Medit Lab intake → scan QC → design (VERIFY path) → RayWare / Pro 2 print → ProWash S → NanoCure → finish & polish → lab clean → bag & SEAZONA outbound log.
Out of scope: Chairside scanning; clinical try-in, cementation, and patient delivery; chairside chemical disinfection; definitive Ceramic Crown (SOP-LAB-060); Crown HT / Midas Restore paths; non-SprintRay printers.
3. Roles
| Role | Responsibility |
|---|---|
| Clinical Assistant / Office | Sends case via Medit Lab; receives bagged temporary from lab |
| Lab Technician | Scan QC; design import/export/approve; manufacture; finish; bag; SEAZONA log |
| Trainer / Lead Lab Technician | Competency observation and sign-off |
| Doctor | Clinical indication, shade/Rx, try-in/cementation, remake authorization (outside manufacturing steps) |
4. Practice Configuration
| # | Item | Smile Avenue setting |
|---|---|---|
| 1 | Printer | Pro 2 only for this path |
| 2 | Cure unit | NanoCure — select exact Digital Temp resin profile (on-screen name; do not invent minutes) |
| 3 | Case intake | Medit Lab |
| 4 | Design | VERIFY — outside CAD or SprintRay Cloud Design per IFU (Lab Technician imports, exports STL, approves) |
| 5 | Wash | ProWash S — IPA ≥ 91% — Standard Multi-Cycle Wash (3 min wash / 3 min rinse / 3 min dry) preferred; or standard preprogrammed cycle |
| 6 | Shades | Bleach, A1, A2, B1 — select per prescription |
| 7 | Duration of use (IFU) | Expected ≤ 29 days |
| 8 | Lab clean before bag | Soap, toothbrush, and warm water (and/or steamer), then dry. Cleaning — not chemical disinfection. |
| 9 | Design approval before print | Lab Technician |
| 10 | Case log | SEAZONA |
| 11 | Design QC thickness | ≥ 0.6 mm (IFU) |
5. Safety
- Treat uncured Digital Temp as hazardous / sensitizing. Work in a well-ventilated area.
- Wear nitrile gloves, protective eyewear, lab coat or gown, and face protection when handling uncured resin, IPA, or grinding/polishing.
- Do not place incompletely cured resin in the mouth. Do not bag an under-cured restoration.
- Skin contact: wash with soap and water. Persistent irritation: stop work and follow the SDS.
- Do not substitute non-validated printers, washers, cure units, or resins for this path.
- Cure liquid waste resin fully before disposal. Follow hazardous-waste rules until cured.
- Do not use expired resin.
6. Materials & Equipment
Resins
- SprintRay Digital Temp (Bleach, A1, A2, B1 — per Rx)
- IPA ≥ 91%
Contraindications: known allergy; intraoral contact with uncured resin; use outside temporary crown/bridge indications.
Equipment stack
| Step | System |
|---|---|
| Intake | Medit Lab |
| Design | VERIFY — outside CAD or SprintRay Cloud Design |
| Nest / print | RayWare → Pro 2 |
| Wash | ProWash S |
| Cure | NanoCure — Digital Temp profile |
| Case log | SEAZONA |
Design QC targets
| Area | Minimum |
|---|---|
| Restoration thickness | ≥ 0.6 mm |
Confirm shade, unit count, and margins match Rx; intaglio free of critical voids.
Finish / polish (IFU)
| Step | Tools / media |
|---|---|
| Smooth supports | Scotch-Brite / Fuzzies wheel |
| Polish | Pumice + polishing compound + muslin |
| Optional mirror | Pink compound + cotton buff |
| Optional characterization | IPS Empress Direct (Ivoclar) per workflow guide |
| Cleanup | Steamer and/or soap + brush + warm water; dry |
7. Process Controls
| Gate | Do not proceed if | Proceed when |
|---|---|---|
| Intake | Case missing or files unreadable in Medit Lab | Case open with matching ID / Rx |
| Scan QC | Holes, missing prep/bite, inadequate margins | Scans usable for design |
| Printer | Queued to any printer other than Pro 2 | Pro 2 only |
| Design | Not Lab Technician–approved; thickness < 0.6 mm | QC-A pass |
| Resin | Expired or wrong shade/family | In-date Digital Temp per Rx; shaken 1 minute |
| Wash | IPA < 91% | ProWash S cycle complete |
| Pre-cure | Part wet | Fully dry |
| Cure | Wrong profile / custom times invented | NanoCure Digital Temp profile complete |
| Outbound | Failed QC-E; not bagged; not logged | Bagged + SEAZONA outbound ready |
8. Procedure
A. Intake & scan QC
- Open the case in Medit Lab.
- Verify patient/case ID, tooth numbers, shade, and prescription notes (temporary crown vs bridge, due date).
- Perform scan QC: prep(s) captured; bite usable; margins adequate; no critical holes or wrong-patient files.
- QC-SCAN: Pass → continue. Fail → stop manufacturing; request rescan or clarified Rx from the office. Do not design on failing scans.
B. Design (VERIFY path)
- Import accepted scans into the practice design path (VERIFY: outside CAD or SprintRay Cloud Design per IFU).
- Design (or receive) temporary restoration STL per Rx.
- Export print-ready STL.
- Lab Technician approves the design for print.
QC-A: Thickness ≥ 0.6 mm; shade/units match Rx; margins/occlusion reasonable; STL labeled.
If QC-A fails — return to design; do not nest.
C. Nest (RayWare)
- Import approved STL into RayWare.
- Select appliance type for temporary restoration and printer Pro 2.
- Select material Digital Temp (shade per Rx).
- Orientation (IFU): intaglio facing away from platform; ~10° from anterior; desired layer thickness (RayWare typically defaults ~170 µm — accept validated default unless practice directs otherwise); default supports.
- Send to the Pro 2 queue. Do not aim this path at any printer other than Pro 2.
D. Print
- Confirm resin is not expired and matches approved shade.
- Shake thoroughly for 1 minute. Pour to at least the minimum fill line. Record lot in SEAZONA. Stir/filter tank resin if already poured.
- Assign correct material/shade on the touchscreen.
- Confirm build platform is clean and free of debris or cured resin.
- Start print from the queue. Monitor on the printer or SprintRay Cloud.
- When complete, wait for safety lid unlock. Remove platform carefully.
- QC-B: Fully formed; no delamination or major voids. Fail → remake.
E. Wash & dry
- Transfer to ProWash S.
- Run Standard Multi-Cycle Wash (3/3/3) with IPA ≥ 91% (or standard preprogrammed cycle per IFU). Preferred: basket wash with intaglio facing propeller.
- Fully dry with compressed air — especially intaglio and fossae. Residual IPA interferes with final cure.
QC-C: Clean and fully dry. Do not cure wet parts.
F. Post-cure
- Place dry restoration in NanoCure.
- Select the Digital Temp preprogrammed resin profile. Follow on-screen prompts. Do not invent custom cure times.
- Allow to cool before handling if warm. Remove supports with flush cutters or diamond disc; cut close to the restoration.
QC-D: Fully cured (no tack); supports removed without tearing margins. Fail → remake or salvage per remake criteria.
G. Finish, clean, bag (end of procedure)
- Smooth support contacts (Scotch-Brite / Fuzzies). Polish with pumice + compound + muslin; optional pink compound / cotton buff.
- Optional characterization per IFU / workflow (IPS Empress Direct) only if Rx requests.
- Clean with soap, toothbrush, and warm water (and/or steamer); dry. Lab cleaning — not chemical disinfection.
- Label and bag for outbound delivery from the in-house lab.
- Complete SEAZONA case log; mark bagged / ready for outbound.
QC-E: Finish OK; cleaned; bagged; labeled; SEAZONA complete. Do not release if QC-E fails.
End of SOP-LAB-050. Office receipt, chairside disinfection, try-in, and cementation (e.g., Telio Link per IFU) are clinical — not this manufacturing procedure.
9. Case Log (SEAZONA)
| Field | Entry |
|---|---|
| Date | |
| Patient / case ID | |
| Medit Lab reference | |
| Teeth / units | |
| Scan QC | ☐ Pass ☐ Fail → returned |
| Designed by (VERIFY path) | |
| Design approved by (Lab Technician) | |
| Digital Temp shade + lot | |
| Printer | Pro 2 ☐ |
| ProWash S cycle OK | ☐ Yes |
| NanoCure profile | Digital Temp ☐ |
| Lab Technician initials | |
| QC-SCAN + A–E pass | ☐ Yes |
| Remake? | ☐ No ☐ Yes — reason: __ |
| Bagged for outbound | ☐ Yes — time __ |
No SEAZONA bagged status = not released from the lab.
10. Quality Checkpoints
| ID | When | Pass | Fail action |
|---|---|---|---|
| QC-SCAN | After Medit Lab intake | Scans usable | Return to office |
| QC-A | Pre-print | Approved design + ≥ 0.6 mm | Return to design |
| QC-B | Post-print | Complete geometry | Remake print |
| QC-C | Post-wash | Clean + dry | Re-wash/dry |
| QC-D | Post-cure | Fully cured; supports clean | Remake / salvage |
| QC-E | Before outbound | Finish + clean + bag + SEAZONA | Hold release |
11. Remake Criteria
| Finding | Action |
|---|---|
| Failed scan QC | Do not manufacture — request new scans |
| Incomplete print / delamination / major voids | Remake print |
| Printed on non–Pro 2 | Remake on Pro 2 |
| Wet / under-cured / wrong cure profile | Hold outbound; correct or remake |
| Torn margins after supports | Remake |
| Light support nubs only | Salvage — finish and re-check QC-E |
| Unsure | Stop and escalate to Doctor / lab lead |
12. Competency
A Lab Technician may run this procedure unsupervised after:
| Requirement | Sign-off |
|---|---|
| Read SOP-LAB-050 and Job Aid SOP-LAB-050-JA | Tech _ Date ___ |
| Demonstrates Medit Lab intake, scan QC, design import/export/approve, and process controls | Trainer _ Date ___ |
| Completes 3 observed cases to bagged outbound with SEAZONA log | 1. __ 2. _ 3. ___ |
| Trainer attests ready | Trainer _ Date ___ |
| Lab lead authorizes unsupervised production | _ Date ___ |
13. Troubleshooting & Escalation
| Problem | Action |
|---|---|
| Bad scans in Medit Lab | QC-SCAN fail → return to office |
| Print failure | Remake; filter resin; verify material assignment on Pro 2 |
| Soft / tacky after cure | Confirm dry part and Digital Temp NanoCure profile; remake if needed |
| Shade mismatch | Confirm shake/mix and cure; remake if Rx shade wrong |
| Allergy or wrong indication noted | Stop — Doctor; do not manufacture |
Escalate to Doctor / lab lead: unclear Rx; allergy; chronic remakes; IFU deviation requests.
Escalate to office (Medit Lab / SEAZONA): failed scan QC; missing prescription.
SprintRay Support: 1-800-914-8004 — missing NanoCure Digital Temp profile; repeated Pro 2 failures.
14. References
- SprintRay Digital Temp IFU-026 Revision 3 (effective 07/29/2026)
- Local IFU archive:
/workspace/sprintray-ifu/all/DigitalTemp.txt - SprintRay hardware–resin compatibility (validated printers / wash / cure)
Smile Avenue Family Dentistry — In-House Laboratory · Internal use only
SOP-LAB-050 DRAFT FOR REVIEW · Target effective 09/10/2026 · Supersedes prior draft revisions
Review annually or when SprintRay IFU / equipment changes. Confirm all VERIFY items before training use.