A Core Aesthetics clinical evidence brief examines one defined question by separating the study population, exposure, comparator, endpoint, timeframe, funding and limitations. It is not a formal systematic review or treatment recommendation. Its purpose is to show what selected sources establish, what remains uncertain and which questions still require individual assessment or another appropriate clinical pathway.
What Is A Clinical Evidence Brief?
A clinical evidence brief examines one defined patient question using selected human research and official guidance relevant to that question at the date recorded on the brief. It does not claim to include every available study. It records what each included source can and cannot establish.
The original papers remain the primary evidence. The clinic brief is an explanation layer designed to make methods, limits and uncertainty easier to inspect before consultation.
Briefs In This Series
| Brief | Question | What the published evidence covers |
|---|---|---|
| Masseter changes over time | What do studies of thickness, density and morphology establish about masseter changes over time? | Published studies report separate one year findings for different jaw measurements. Evidence about cumulative effects after repeated exposure over longer periods remains limited. |
How Evidence Is Weighed
Study design matters, but design alone is not enough. NHMRC guidance also points to certainty, directness and whether the available population, comparison and outcomes answer the actual question. A well run study can still be indirect if the exposure or timeframe is different from real world use.
| Evidence source | What it can add | What still needs checking |
|---|---|---|
| Systematic review or meta analysis | Combines a wider body of evidence | Quality, similarity and size of the included studies |
| Randomised controlled study | Reduces some sources of bias for a defined exposure | Duration, endpoint choice, generalisability and funding |
| Observational study | Can capture longer or less selected real world use | Confounding, selection and measurement quality |
| Case report or case series | Can document an unexpected event or possible signal | Cannot estimate frequency or establish causation |
Why Measurements Must Stay Separate
Studies may measure density, thickness, volume, symptom scores, photographs or patient reported change. These are related only to the extent that the method supports that connection. An unchanged finding for one endpoint does not automatically settle every other endpoint.
Each brief names the exact measurement before describing the finding. This protects against turning a narrow finding into an absolute safety or outcome statement.
What Is Recorded For Every Paper
- The patient question the paper can help answer.
- Study design, sample size and population.
- Number of sessions, cumulative exposure and follow up time.
- Comparator and prespecified endpoints where reported.
- Main finding in plain English without extending it beyond the measured endpoint.
- Important limitations, missing data and generalisability.
- Funding source and relevant author relationships.
- Trial registration or protocol when one is available.
How Funding And Conflicts Are Handled
Industry funded research can be methodologically strong and clinically useful. Funding does not make a paper false. It does create context that readers should be able to inspect, especially when the sponsor helped design the study, analyse data or review publication.
Evidence briefs name material funding and author relationships. Several papers from one sponsored trial are not described as independent replication.
How Conclusions Are Worded
| Label | Meaning |
|---|---|
| Supported within scope | The available evidence answers the defined endpoint, population and timeframe with reasonable consistency. |
| Uncertain or mixed | Findings differ, evidence is limited, or important indirectness remains. |
| Not answered | The available studies do not measure the real question closely enough. |
| Outside this brief | The question needs another specialty, diagnostic pathway or evidence review. |
These labels describe evidence, not personal suitability. They do not predict an individual outcome.
How Updates And Corrections Work
Each published brief identifies the version and date last checked. Material changes, including citation corrections, new evidence, changed conclusions or regulatory updates, require a new review record before the revised version is published. An earlier review date is retained as historical evidence and does not approve later wording.
If you identify a source error or a material paper that has been missed, use the contact page and include the DOI or official source link. The claim will be checked against the original source rather than a search snippet.
Read the full editorial and evidence policy for authorship, AI assistance, corrections, image standards and commercial disclosure rules.
How Clinical Review Is Recorded
Corey Anderson RN, Ahpra registration NMW0001047575, is the named clinic reviewer for clinical relevance and patient facing wording. A completed review applies only to the version and date recorded. A later material revision requires a new decision before publication.
This is clinic authored education. Corey is not presented as an independent research institute, guideline panel or external peer reviewer, and readers should inspect the original sources.
What These Briefs Cannot Do
An evidence brief cannot diagnose a condition, determine personal suitability or promise an outcome. It cannot turn absent evidence into proof of safety, and it cannot use one small study to predict every person’s long term response.
The safest use is to improve the questions asked in consultation and to make uncertainty visible before a decision is made.
Read The Masseter Evidence Brief
Clinical Evidence Brief 01 examines the long term masseter question. It keeps cortical thickness, density and morphology separate, identifies when publications use the same trial population, records manufacturer funding and explains why one or two study sessions over twelve months cannot answer questions about repeated exposure over several years.
For broader decision support, continue to patient safety, regulation and scope, treatment suitability assessment and why a consultation may end without a procedure.
Corey’s Notes On Reading An Evidence Brief
Read The Method Before The Conclusion
Corey Anderson RN: Three details first: what was measured, who was studied, and how long follow up lasted. A paper about one endpoint can’t quietly answer a broader question about appearance, function or long term safety, and it shouldn’t be allowed to look as though it has. A brief should keep those categories visible so you can see exactly what the study supports. It should also mark where interpretation begins, instead of blending inference into the authors’ findings.
Make The Reason For Uncertainty Visible
Corey Anderson RN: Mixed or missing evidence doesn’t give me permission to write a reassuring conclusion. I want the uncertainty stated with the reason attached: a small sample, an indirect population, short follow up, inconsistent methods. That limit may narrow a discussion or support a cautious decision. It can’t be converted into proof of benefit or safety just because a clearer answer would be more convenient.
Use Evidence As One Input
Corey Anderson RN: Research can inform a consultation. It can’t examine you, review your history, or decide what matters to you. So I use an evidence brief alongside assessment, professional guidance and your own preferences. If the available studies don’t answer the question in front of us, the plan should say so plainly. That honest boundary between group evidence and personal suitability is part of the answer, not a gap to paper over.
Frequently Asked Questions
What is a Core Aesthetics clinical evidence brief?
It is a topic specific clinic review that explains what selected research measured, what it found, where it is limited and how cautiously the finding can be applied. Each brief records review dates, key sources, endpoints, timeframe, funding context and unanswered questions. It supports consultation but does not replace personal assessment.
Is a clinical evidence brief a formal systematic review?
No. Core Aesthetics evidence briefs are structured clinic education, not formal systematic reviews, clinical practice guidelines or independent evidence grading exercises. The methods and limits are stated so readers can judge the scope. The original papers and official sources remain the primary evidence.
How are studies chosen for an evidence brief?
The review starts with recent human systematic reviews, controlled studies, registered trial records and relevant Australian guidance. A paper is included when it directly helps answer the page question. Selection is not based on whether the finding supports treatment, and contrary or uncertain evidence is kept visible.
Why are study endpoints listed separately?
Different endpoints can answer different questions. Bone density, cortical thickness, muscle volume, symptom scores and visible facial changes are not interchangeable. Listing each endpoint prevents a narrow result from being stretched into a broader safety or outcome claim.
Why does funding appear in the evidence table?
Funding and author relationships can affect study design, endpoint selection, analysis and interpretation. Industry funding does not automatically invalidate research, but readers should be able to see it. Independent replication is more persuasive than several publications drawn from one sponsored trial.
How are review dates recorded?
A review date identifies the exact published version Corey checked. If a material claim, source, conclusion or regulatory statement changes, the revised version requires a new review record before publication. New evidence, safety notices, regulatory changes or source corrections may also trigger an earlier review.
Does an evidence brief recommend treatment?
No. It explains the research question and its limits. A personal decision still depends on health history, anatomy, goals, previous treatment, risk, timing and clinical assessment. The appointment creates time for assessment, questions and a clear plan.
Who is the named clinical reviewer for evidence briefs?
Corey Anderson RN, Ahpra registration NMW0001047575, is the named clinic reviewer. His role is to check clinical relevance and patient facing wording for the version recorded. That clinic review is not external peer review or a formal guideline process. Readers can verify his registration independently and inspect the original sources.
Sources And Review Standards
- NHMRC guidance on assessing certainty of evidence
- Ahpra guidelines for registered health practitioners who perform non surgical cosmetic procedures
- TGA guidance for advertising health services involving therapeutic goods
- Journal of Oral Rehabilitation, 2024, doi:10.1111/joor.13590
- Aesthetic Surgery Journal, 2025, doi:10.1093/asj/sjaf167
- Aesthetic Surgery Journal, 2026, doi:10.1093/asj/sjag080
- Clinical trial record NCT02010775
Is this for you?
Consider booking a consultation if
- Adults who want to inspect how Core Aesthetics summarises clinical research
- Readers comparing study design, endpoints, timeframe and funding before consultation
- People who want direct links to primary papers and official Australian guidance
- People who prefer uncertainty and corrections to be stated explicitly
This may not be for you if
- People seeking a personal diagnosis or treatment recommendation from an article
- Readers expecting a formal systematic review or clinical practice guideline
- People who want research summaries to replace individual assessment
- People seeking a fixed treatment outcome from an article
Suitability is confirmed at consultation. This list is general guidance, not a substitute for clinical assessment.