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The right deciduous maxillary first molar is known as "B", and the left one is known as "I". In the Palmer notation, a letter and symbol are used to identify the tooth. The letter identifies the tooth position relative to the midline, and the symbol identifies the quadrant of the mouth. Both maxillary first molars have the same letter; "D".
The maxillary sinus can normally be seen above the level of the premolar and molar teeth in the upper jaw. This dental x-ray film shows how, in the absence of the second premolar and first molar, the sinus became pneumatized and expanded towards the crest of the alveolar process (location at which the bone meets the gum tissue).
14 24 maxillary first premolar 2; 44 34 mandibular first premolar 1; 15 25 maxillary second premolar 1; 45 35 mandibular second premolar 1; 16 26 54 64 maxillary first molar 3; 46 36 84 74 mandibular first molar 2; 17 27 55 65 maxillary second molar 3; 47 37 85 75 mandibular second molar 2; 18 28 maxillary third molar 3; 48 38 mandibular third ...
In vertebrates, the maxilla (pl.: maxillae / m æ k ˈ s ɪ l iː /) [2] is the upper fixed (not fixed in Neopterygii) bone of the jaw formed from the fusion of two maxillary bones. In humans, the upper jaw includes the hard palate in the front of the mouth. [3] [4] The two maxillary bones are fused at the intermaxillary suture, forming the ...
The maxillary hiatus (also known as maxillary sinus ostium, maxillary ostium, or opening from the maxillary sinus) [citation needed] is the opening of a maxillary sinus into the middle nasal meatus of the nasal cavity.
The cusp of Carabelli, Carabelli's tubercle, or tuberculum anomale of Georg Carabelli is a small additional cusp at the mesiopalatal line angle of maxillary first molars.This extra cusp is usually found on the secondary maxillary first molars and is rarely seen on primary maxillary second molars even less likely on other molars. [1]
The maxillary prominence forms the lateral wall and floor of the orbit, and in it are ossified the zygomatic bone and the greater part of the maxilla; it meets with the medial nasal prominence, from which, however, it is separated for a time by a groove, the naso-optic furrow, that extends from the furrow encircling the eyeball to the nasal pit.
Diagram showing embrasure (red triangle) between maxillary right second bicuspid and maxillary right first molar. Right lateral view. In dentistry, embrasures are V-shaped valleys between adjacent teeth. They provide a spill way for food to escape during chewing [1] which essentially aids in the self-cleansing process.