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Dental Anatomy
Landmarks of the xray of mouth
| Oral Cavity Terms | Oral Cavity Definitions |
|---|---|
| Vestibules | horseshoe spaces in the oral cavity between lips and cheeks |
| Labial Frenum | fold of tissue located at the midline between the labial mucosa and the alveolar mucosa |
| Lingual Frenum | fold of tissue located at midline, between the bottom surface of the tongue and the floor of the mouth |
| Linea Alba | white ridge of raised callused tissue that extends horzontally at the level where the max and mand teeth come together and occlude |
| Canine Eminence | vertically oriented and labially placed bony ridge of alveolar bone noted in the jaw bones *especially in the maxillae |
| Maxillary Tuberosity | tissue covered elevation of the bone, just distal to the last tooth of the max arch |
| Retromolar Pad | Dense pad of tissue, just distal to the last tooth of the mand arch |
| Attatched Gingiva | gingiva that tightly adheres to the alveolar bone around the roots of the teeth |
| Marginal Gingiva | gingiva at the gingival margin of each tooth *aka free gingival |
| Pillar of Fauces | Two arches at the back of the mouth (anterior and posterior) |
| Anterior Pillar of Fauces | "palatoglossal arch" formed by the palatoglosus muscle |
| Posterior Pillar of Fauces | "palatopharynxgeal arch" formed by the palatopharyngeus muscle |
| Palate | roof of the mouth |
| Hard Palate | the anterior portion of the palate |
| Soft Palate | looser posterior portion of the palate |
| Median Palatine Rahpe | midline ridge of tissue on the hard palate that overlies the bony fussion of the palate |
| Palatine Rugae | the firm, irregular ridges of tissue, directly posterior to the incisive papilla |
| Incisive Papilla | smal bulge of tissue at the most anterior portion of the hard palate |
| Base | most posterior portion of the tongue, attaches to the floor of the mouth, does not lie within the oral cavity proper but within the oral part of the throat |
| Body | anterior portion of the tongue |
| Dorsal Surface of Tongue | top surface of tongue |
| Filliform Lingual Papilla | slender threadlike, whitish lingual papilli that gives the dorsal surface of the tongue its velvety texture |
| Fugiform Lingual Papilla | smaller mushroom shaped lingual papilli on the dorsal surface of the tongue (reddish) |
| Foliate Lingual Papillae | vertical ridges of lingual papillae on the lateral surface of the tongue |
| Sublingual Fold | ridge of tissue on each side of the floor of the mouth |
| Sublingual Caruncle | small papilla at the anterior end of each sublingual fold |
| Vermillion Zone | has a darker appearance than the surrounding skin of the lips |
| Vermillion Border | lips are outlined from the surrounding skin by a trasmission zone |
| Philtrum | on the midline of the upper lip extending downward from the nasal septum, a vertical groove |
| Turbercle | the philtrum terminates in a thicker area of the midline of the upper lip |
| Labial Commissure | where the upper and lower lips meet at each corner of the mouth (where you get cold sores) |
| Nasolabial Sulcus | groove extending upper, between each labial cummissure and the alla of the nose |
| Labiomental Groove | lower lip extends to the horzontal labiomental groove which separates the lower lip from the chin in the mental region |
| xray terms | (blank) |
Created by:
vashti84
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