Year: 2013

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Lateral Cephalometric Skull Anatomy – Part V

Today is all about the mandible. Condyle (black curved dotted line) Coronoid process (white triangular dotted line) Mandibular first molar (green oval) Infradentale (yellow dotted arrow) – Superior facial bone height near the level of the cemento-enamel junction of the mandibular incisors. B point (white solid arrow) – The posteriormost…
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Anatomy Monday: Nasolabial Fold (soft tissue)

This week is another soft tissue entity that can be seen on both intraoral and extraoral radiographs. The nasolabial fold presents as a diagonal transition line. A transition line is seen as a defined line where part of the radiograph appears more radiopaque due to superimposition of soft tissue. The…
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Case of the Week: Ectopic Eruption & Internal Resorption

This week I have a fun case of 2 finds on 1 radiograph. This bitewing radiograph shows internal resorption (enlarged pulp chamber) of the maxillary left deciduous second molar and ectopic eruption of the mandibular left first premolar into the deciduous second molar.  Check it out below. 🙂 If you…
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Lateral Cephalometric Skull Anatomy – Part IV

This post will be all about the maxilla. Anterior nasal spine (yellow arrow) – anterior-most point where right and left maxilla meet on the midline forming a protruding bone spicule. A point (white arrow) – the deepest point between the anterior nasal spine and prosthion. Prosthion (yellow dotted arrow) –…
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Anatomy Monday: Epiglottis (soft tissue)

This week I wanted to show off something not commonly looked at or for on pantomographs; the epiglottis. The epiglottis will appear near the inferior aspect of the radiograph as a curved radiopaque entity. It may be superimposed over the hyoid or inferior border of the mandible.  If the airway…