Month: September 2019
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Pathology Post: Leukoedema + Epulis Fissuratum
What is Leukoedema? Most commonly seen in African Americans (as well as smokers), leukoedema is a white lesion that appears opalescent, filmy, and does not rub off. This lesion will be seen bilaterally on the buccal mucosa and is very common. Leukoedema is a variation of normal and does not pose any harmful symptoms. In…
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What is Centric Relation?
According to the glossary of prosthodontics, ‘a maxillary-mandibular relationship, independent of tooth contact, in which the condyles articulate in the anterior-superior position against the posterior slopes of the articular eminences’ JPD, The Glossary of Prosthodontic Terms Centric relation is not to be confused with centric occlusion, which is a term no longer used. In centric…
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The Posterior Superior Alveolar Nerve and How to Properly Anesthetize it
What does the posterior superior alveolar nerve innervate? The posterior superior alveolar nerve (PSA) is a division of the trigeminal nerve (cranial nerve V). The trigeminal nerve is separated into three major branches – V1, V2, and V3. The V2 branch is known as the ‘maxillary’ branch of the trigeminal nerve, and is responsible for…
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Dr. Angle’s Orthodontic Classification
Who was Dr. Angle? Considered the ‘father of orthodontics,’ Dr. Angle was the first to develop a classification system for orthodontics. According to Dr. Angle, the first molars were the foundation of the arches. The classification system therefore is based off the relationship between the first molars – more specifically, the spatial relationship between the…
Teeth & Chiefs 