Non???Animal-Based Hyaluronic Acid Fillers: Scientific and Technical Considerations
Bibliographic record
Abstract
BACKGROUND: Recent advances in the technology and biocompatibility of the hyaluronans in all skin types mean that they are becoming the temporary facial filling agents of choice for many aesthetic physicians and surgeons. METHODS: The hyaluronan products that have been approved for clinical usage by the U.S. Food and Drug Administration and Health Canada were reviewed with respect to their composition, clinical effects and safety profiles, and potential complications. RESULTS: The currently approved accepted standard for the hyaluronan family of fillers of nonanimal bacterial origin includes Restylane and Perlane in the United States and Perlane, Restylane Touch, and SubQ in Canada. Also of nonanimal origin, Juvéderm 24HV, 30, and 30HV were approved by the Food and Drug Administration in June of 2006. Another bacteria-derived hyaluronan filler is Captique; the Hylaform group of hyaluronan fillers is of animal origin and appears to be similar in effect and longevity to Captique. CONCLUSIONS: The remarkable biocompatibility of the hyaluronan group of agents in individuals of all skin types, allied with the superior aesthetic result and outstanding longevity of response, promises that patients will continue to demand safe these recent advances in filler technology.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.005 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".