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A tooth is secured to the alveolar bone by fibrous connective tissue that is called the periodontal ligament (PDL). The PDL not only strongly binds the tooth root to the supporting alveolar bone but also absorbs occlusal loads and distributes the resulting stress over the alveolar bone. The mechanical properties of the PDL are, therefore, [...]
Tue, January 26 2010 » Dental Therapy » No Comments
The infraorbital nerve enters the orbit through the inferior orbital fissure and passes along the infraorbital canal from where it finally emerges on to the face through the infraorbital foramen to supply the lower eyelid, the side of the nose and the upper lip. The infraorbital nerve gives off the superior alveolar nerve branches. These [...]
Wed, January 20 2010 » Dental Therapy » No Comments
The superficial temporal and facial veins drain the superficial areas of the face. The superficial temporal vein descends through the parotid gland and is joined by the maxillary vein to form the retromandibular vein. The retromandibular vein divides into posterior and anterior branches. The posterior retromandibular vein joins with the posterior auricular vein, forming the [...]
Wed, January 20 2010 » Dental Therapy » No Comments