Side Profile Test: Ricketts E-Line, Nasolabial Angle & Chin Projection
Evaluate orthognathic profile harmony with clinical cephalometric landmarks. Measure upper and lower lip offset to Ricketts Esthetic Plane (E-Line), Nasolabial Angle, and facial convexity 100% privately.
Sample Biometric Dossiers: Portrait In → Proportion Report Out
Select any studio dossier below to inspect its live 478-point mesh, mandibular contour, or mirror symmetry above.
8.9 / 10 · 6.9 PSL
478 BIOMETRIC MESH
Sophia · The Neoclassical Muse
98.3% Symmetry · Balanced Oval · Geometric Fit
8.8 / 10 · 6.8 PSL
JAWLINE & CANTHAL TILT
Marcus · The Sculpted Sovereign
117.9° Contour · +4.6° Tilt · Browline Fit
8.8 / 10 · 6.8 PSL
MIRROR SYMMETRY & PHI
Chloe · The Bilateral Muse
99.0% Symmetry · 1.567 Phi · Wayfarer Fit
01 · DATA
Clinical Cephalometric Side-Profile & Ricketts E-Line Benchmarks
Chart
Clinical Cephalometric Side-Profile & Ricketts E-Line Benchmarks
Orthodontists and maxillofacial surgeons evaluate lateral facial balance using three primary soft-tissue cephalometric reference planes:
| Cephalometric Metric | Anatomical Definition | Clinical Studio Norm | Aesthetic & Postural Meaning |
|---|---|---|---|
| Ricketts Upper Lip E-Line | Upper lip (#0) to Nose-Chin plane | -4.0 mm to -1.5 mm | Sits gracefully just behind the pronasale-pogonion line. |
| Ricketts Lower Lip E-Line | Lower lip (#17) to Nose-Chin plane | -2.5 mm to 0.0 mm | Slightly closer to E-Line than upper lip for balanced perioral projection. |
| Nasolabial Angle (NLA) | Columella (#1-#2) vs Upper Lip (#2-#0) | 95.0° – 110.0° | 94°–102° masculine norm; 100°–110° softly upturned feminine norm. |
| Facial Convexity Angle | Glabella (#9) → Subnasale (#2) → Menton | 165.0° – 173.0° | Measures orthognathic straightness vs retrognathic/prognathic curvature. |
02 · SCIENCE
What Is Ricketts E-Line (Esthetic Plane) in Side Profile Analysis?
Methodology
What Is Ricketts E-Line (Esthetic Plane) in Side Profile Analysis?
Introduced by orthodontist Dr. Robert Ricketts in 1957, the Esthetic Plane (E-Line) draws a tangent vector from the tip of the nose (pronasale, landmark #1) to the foremost point of the soft-tissue chin (pogonion/menton, landmark #152). By measuring perpendicular millimeter distance from the upper and lower vermilion borders to this gold reference line, clinicians quantify chin projection, nasal prominence, and lip posture simultaneously.
When you upload a side-profile or three-quarter portrait (yaw ≥ 24°), our Profile E-Line mode locks directly onto your true lateral silhouette; on frontal portraits, it estimates anterior-posterior lip-to-plane balance using MediaPipe's 3D Z-depth mesh coordinates.
Nasolabial Angle, Cervical Posture & Non-Invasive Profile Optimization
Forward head posture ('tech neck') is the #1 hidden saboteur of side-profile photos: letting your cervical spine drift forward 3 centimeters rotates the mandible downward and backward, blunting the cervicomental submental angle and making a healthy chin appear recessed relative to the E-Line.
Switch to the 'Profile E-Line' tab on the interactive scanner above to inspect your gold Ricketts vector, cyan Nasolabial arc, and emerald Facial Convexity axis in real time.
03 · PROTOCOL
Ricketts Esthetic Plane (E-Line), Nasolabial Angle & Mandibular Projection
Protocol
Ricketts Esthetic Plane (E-Line), Nasolabial Angle & Mandibular Projection
“In balanced adult soft-tissue profiles, the lower lip rests approximately 2 mm posterior and the upper lip 4 mm posterior to Ricketts Esthetic Plane connecting pronasale and soft-tissue pogonion.”
3 Instant Posture & Grooming Levers for a Crisper Side Profile
Before judging skeletal projection against cephalometric analysis standards, standardize your head-neck alignment:
1. Frankfort Horizontal Leveling
Align the top of your ear canal (tragion) horizontally with your lower orbital rim, lengthening the back of your neck upward rather than jutting your chin forward.
2. Nasal Breathing & Resting Tongue Posture
Resting the entire body of the tongue gently against the roof of the palate tightens the suprahyoid floor of the mouth—instantly sharpening submental jawline shadow in profile.
3. Beard & Hair Counterbalancing
A structured 4–6mm chin-tip beard taper adds +2–3mm of anterior pogonion projection toward the E-Line, while occipital crown volume balances cranial depth.
04 · FAQ
Frequently Asked Questions & Specialized Proportion Analyzers
Answers
Frequently Asked Questions
Should I upload a 90° side photo or frontal photo on this page?
Both work! Uploading a 45°–80° turned profile or side photo gives true lateral pixel accuracy, while frontal photos automatically use 3D Z-depth landmarks to estimate your E-Line and Nasolabial Angle.
What does a negative vs positive Ricketts E-Line number mean?
Negative millimeters (e.g. -3.0mm upper / -1.5mm lower) mean your lips sit behind the nose-to-chin line—which is the clinical orthognathic ideal! Positive millimeters (+1.5mm) indicate lips projecting slightly ahead of the nose-chin plane.
What is an attractive Nasolabial Angle?
Clinical plastic surgery and orthodontic literature place balanced adult Nasolabial Angles between 95° and 110° (typically 95°–103° in men and 100°–110° in women).
Can posture really improve my side profile score?
Dramatically. Correcting forward head posture and resting the tongue on the palate tightens submental soft tissue and brings soft-tissue pogonion forward into proper Frankfort alignment.
Is my side profile photo kept private?
100%. Every cephalometric vector is drawn locally on your HTML5 Canvas via WebAssembly—zero photos or biometric coordinates are ever uploaded.
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