Predicate Research Report · generated 2026-08-22 · Print / save as PDF · Save to account
Macdonald Metals and Ceramics — Predicate Candidate Screening
22 FDA 510(k) clearances under this manufacturer; the 50 most recent screened below.
26 daysmedian FDA review time
26 days90th percentile
22clearances measured
| K-number | Device | Applicant | Decided | Review days | Recalls (K-match) |
|---|---|---|---|---|---|
| K891530 | M-77 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-14 | 28 | 0 |
| K891516 | C-89 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-14 | 28 | 0 |
| K891519 | C-86 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891527 | M-60 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891528 | M-65 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891522 | M-4 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891525 | M-46 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891517 | C-63 GOLD BAE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891521 | M-1 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891529 | M-W SILVER PALLADIUM BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891533 | M-74 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891524 | M-40 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891535 | P-C PALLADIUM BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891531 | M-50 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891534 | M-75 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891523 | M-20 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891514 | C-5 PALLADIUM BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891520 | C-87 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891518 | C-76 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891532 | M-70 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-12 | 26 | 0 |
| K891515 | C-52 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-07 | 21 | 0 |
| K891526 | M-56 GOLD BASE DENTAL ALLOY | Macdonald Metals and Ceramics | 1989-04-07 | 21 | 0 |
Methodology
Recall counts reflect FDA recall records explicitly referencing each K-number; FDA links recalls to K-numbers inconsistently, so 0 means "none found in FDA records," not "never recalled." Data: FDA openFDA, refreshed weekly. Verify decisions of consequence against the primary source. Full candidate set and CSV export: atlasbyauro.com.
Prepared with Atlas
Predicate research, review-time statistics and recall monitoring for 510(k) teams — atlasbyauro.com/fda