chin

Identified chin region

Record the host and evidence supporting identification of the candidate region as a chin.

1. Does this record concern a living individual's chin, a specimen or a representation of one? definition
2. Which image, examination or annotation establishes the candidate region below the lower lip? provenance

Declared chin boundary

Record the landmarks or annotation defining the chin for this use.

1. Which landmarks define the superior, inferior and lateral limits of the recorded chin? boundary
2. Are observations beneath the anterior jaw assigned to this chin or to a neighbouring submental model? boundary

Referenced profile measurement

Record projection and vertical extent without inferring underlying bone shape from the surface.

1. Relative to which reference plane and surface landmark is chin projection measured? measurement
2. What are the measured vertical extent, scale calibration and head position? measurement
3. Does the evidence describe the external contour, underlying support or both? boundary

Width, symmetry and indentation

Record frontal geometry and any visible cleft or dimple with uncertainty about obscured regions.

1. What chin width and midline offset are measurable using the declared landmarks? measurement
2. Is a local cleft or dimple visible, and does it persist across views and expressions? measurement
3. Which apparent contour features could result from hair, shadow or head rotation? provenance

Visible skin and covering

Locate surface features while distinguishing skin from hair, cosmetics, dressings and other coverings.

1. Which portions of chin skin are visible, and which are obscured by beard hair or other coverings? measurement
2. Where are changes in colour, texture, intactness or apparent swelling observed? measurement

Chin symptoms and baseline

Record reported sensation and departures from a documented baseline without assigning a cause.

1. What pain, tenderness or altered sensation is reported specifically within the chin boundary, and by whom? provenance
2. When was the change first noticed, and what earlier observation supports the comparison? provenance
3. Does the intended decision require referral to a clinical model or qualified reviewer? action

Rest and movement comparison

Compare chin contour and skin texture across recorded lip and jaw positions.

1. What lip position, jaw position and expression accompany each chin observation? provenance
2. Which contour changes, dimpling or creases appear during movement and resolve at rest? measurement

Supported anatomical attribution

Record what evidence, if any, supports attributing chin form to an underlying structure.

1. What evidence beyond external appearance is available about underlying chin support? provenance
2. Which questions about bone, teeth or bite must be owned by the mandibular or dental model? boundary

Chin capture adequacy

Record whether view, scale, lighting and visibility are sufficient for the requested assessment.

1. Are frontal and profile views sufficient to distinguish chin contour from perspective and shadow? measurement
2. What additional consented observation would resolve the specific uncertainty about chin form or surface state? action

Chin action eligibility

Record the intended action, its authorised extent and unresolved prerequisites.

1. Is the proposed action imaging, measurement, contact, grooming or anatomical modification, and what consent covers it? action
2. What observed chin condition or reported symptom requires review before the proposed contact or modification? action
3. Which clinical, grooming or equipment model owns the procedure and its suitability criteria? boundary

Kinds and varieties

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these kinds and varieties hold for the sense of chin this model covers, and on what evidence? provenance

Identifiers and schemes

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these identifiers and schemes hold for the sense of chin this model covers, and on what evidence? provenance

Standards and regulation

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these standards and regulation hold for the sense of chin this model covers, and on what evidence? provenance

Real-world use

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these real-world use hold for the sense of chin this model covers, and on what evidence? provenance

Typical measurements

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these typical measurements hold for the sense of chin this model covers, and on what evidence? provenance

Failure modes and hazards

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these failure modes and hazards hold for the sense of chin this model covers, and on what evidence? provenance

Regional variation

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these regional variation hold for the sense of chin this model covers, and on what evidence? provenance

Neighbouring kinds and how to tell them apart

Reported by the breadth pass; each item needs checking against its source before it becomes normative.

1. Which of these neighbouring kinds and how to tell them apart hold for the sense of chin this model covers, and on what evidence? provenance