Facial biotype: brachyfacial, mesofacial and dolichofacial
Quick facts
- Definition
- Classification of the face by the ratio of height to width and by the direction of facial growth.
- Types
- Brachyfacial (short and wide), mesofacial (balanced) and dolichofacial (long and narrow).
- Origin
- Orthodontics and cephalometry; anthropometry also has the facial index.
- Not to be confused with
- Facial pattern, which describes the relationship between maxilla and mandible in profile.
- Relevance in facial harmonization
- Guides where to add volume and what to avoid so as not to accentuate the length or width of the face.
Facial biotype is the classification of the face according to the ratio of height to width and the predominant direction of facial growth. The three classic types are brachyfacial (short, wide face), mesofacial (balanced proportions) and dolichofacial (long, narrow face). The concept comes from orthodontics and cephalometry, and in facial harmonization it helps decide where to add volume without accentuating what is already characteristic of the face.
How do you recognize each biotype?
| Biotype | Frontal shape | Lower third | Muscles and jaw |
|---|---|---|---|
| Brachyfacial | Short and wide, squarer outline | Shorter | Strong masseter, prominent mandibular angle |
| Mesofacial | Balanced ratio of height to width | In proportion to the other thirds | Intermediate |
| Dolichofacial | Long and narrow | Taller, sometimes with difficulty sealing the lips | Less powerful muscles, more open mandibular angle |
In clinical practice, the reading starts with the frontal exam and the proportion of the thirds, as seen in facial assessment by thirds. Orthodontics uses cephalometric measurements, and anthropometry uses the facial index, which compares face height (nasion to chin) with the width between the zygomas. Many people fall in a transition zone, and biotype is not a stand-alone diagnosis.
Is facial biotype the same as facial pattern?
No. The facial pattern describes the relationship between the maxilla and mandible in profile: balanced, with a retruded mandible or with a protruded mandible. A dolichofacial person can have a retrognathic or a balanced profile, for example. The two concepts complement each other: one speaks of proportion and direction of growth, the other of the relative position of the bony bases.
Why does biotype matter in facial harmonization?
- Dolichofacial: adding vertical length to the chin can lengthen the lower third even more. In general, the assessment favors forward projection and lateral support, at the professional's discretion.
- Brachyfacial: the face is already wide at the base. Volume at the mandibular angle can widen the outline too much, and the concern often involves the masseter and bruxism, topics covered in botulinum toxin in the masseter.
- Mesofacial: tends to allow a wider range of approaches, always according to the concern and individual proportions.
- Expectations: biotype is a skeletal trait. Injectables change contour and light, not bone structure, and this should be clear from the consultation.
How does it show up in the assessment?
- Proportion of the thirds and the ratio of face height to width.
- Jawline, opening of the mandibular angle and masseter volume.
- Lip seal at rest, which may be compromised in a long face.
- Profile, to separate biotype from facial pattern.
Also called: facial type, facial morphology, brachycephalic and dolichocephalic (terms for the skull, used imprecisely as synonyms).
Frequently asked questions
What is the difference between brachyfacial and dolichofacial?
The brachyfacial face is shorter and wider, with a strong jaw and predominantly horizontal growth. The dolichofacial face is long and narrow, with a taller lower third and predominantly vertical growth. The mesofacial face sits between the two.
Are facial biotype and facial pattern the same thing?
No. Biotype describes the ratio of height to width and the direction of growth. Facial pattern describes the relationship between maxilla and mandible seen in profile, as in a retrognathic or prognathic face.