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The bisecting angle technique is an older method for periapical radiography. It can be a useful alternative technique when the ideal receptor placement using the paralleling technique cannot be achieved, for reasons such as anatomical obstacles e.g. tori, shallow palate, shallow floor of mouth, or narrow arch width. [13]
It elevates angle of mouth medially. Its fibers are inserted into the angle of the mouth, intermingling with those of the zygomaticus , triangularis , and orbicularis oris . Specifically, the levator anguli oris is innervated by the buccal branches of the facial nerve .
the angle of the mouth anteriorly, [1] the masseter muscle posteriorly, [1] the zygomatic process of the maxilla and the zygomaticus muscles superiorly, the depressor anguli oris muscle and the attachment of the deep fascia to the mandible inferiorly, the buccinator muscle medially (the buccal space is superficial to the buccinator), [1]
In dentistry, numerous types of classification schemes have been developed to describe the teeth and gum tissue in a way that categorizes various defects. All of these classification schemes combine to provide the periodontal diagnosis of the aforementioned tissues in their various states of health and disease.
In 1909, Charles A. Clark described a radiographic procedure for localizing impacted teeth to determining their relative antero-posterior position. [1] If the two teeth (or, by extension, any two objects, such as a tooth and a foreign object) are located in front of one another relative to the x-ray beam, they will appear superimposed on one another on a dental radiograph, but it will be ...
This photo shows teeth #2-5 (Universal numbering system).Tooth #3, the upper right first molar, has an MO (mesial-occlusal) gold inlay.This molar is both posterior, as well as distal, to the premolars in front of it.
Glaucoma in a dog. Canine glaucoma refers to a group of diseases in dogs that affect the optic nerve and involve a loss of retinal ganglion cells in a characteristic pattern. . An intraocular pressure greater than 22 mmHg (2.9 kPa) is a significant risk factor for the development of glauco
The acid-etched resin bonded splint is a relatively new alternative method to protect teeth from further injury by more stabilising them in a favourable occlusal relationship. The main goal in this technique is to replace the missing teeth and provided maximum conservation for the structure of remaining teeth.