| Epithelium lined pathologic cavity that may contain fluid or cellular debris | CYST |
| PERIAPICAL CYST is also called | apical periodontal cyst |
| PERIAPICAL CYST: etiology | periapical granuloma |
| 1st Most common odontogenic cyst in the oral and perioral region | PERIAPICAL CYST |
| PERIAPICAL CYST is associated with ____tooth | non vital |
| PERIAPICAL CYST: age | any; peaks at 3rd decade |
| PERIAPICAL CYST: commonly seen at | anterior maxillary region |
| PERIAPICAL CYST: diagnosed by | palpation |
| PERIAPICAL CYST:RADIOGRAPHIC FEATURE | Round to ovoid; narrow opaque margin continuous with lamina dura |
| PERIAPICAL CYST:HISTOPATHOLOGIC FEATURE | stratified squamous epithelium, PMN, lymphocytes |
| PERIAPICAL CYST:HISTOPATHOLOGIC FEATURE Epithelial lining are residues from ________ | rest of malassez |
| PERIAPICAL CYST: tx | Extraction and curettage of the apical zone, RCT with apicoectomy |
| PERIAPICAL CYST: Extraction only w/o curettage will lead to the development of a _______that can weaken the bone | residual cyst |
| LATERAL PERIODONTAL CYST: etiology | dental lamina remnants |
| LATERAL PERIODONTAL CYST: age; gender | >21; male |
| LATERAL PERIODONTAL CYST: associated with ___ teeth | vital |
| ODONTOGENIC CYSTS: Bluish discoloration when large; Associated with vital teeth; non-mobile and may show root divergence | LATERAL PERIODONTAL CYST |
| LATERAL PERIODONTAL CYST: location | mandibular premolar and cuspid region |
| ODONTOGENIC CYSTS: Small soft tissue swelling within or slightly inferior to the interdental papilla | LATERAL PERIODONTAL CYST |
| LATERAL PERIODONTAL CYST: radiograph | Well-delineated, round or teardrop shaped unilocular radiolucency between teeth |
| LATERAL PERIODONTAL CYST:histological | nonkeratinized; glycogen containing clear cells |
| ODONTOGENIC CYSTS: A variant of lateral periodontal cyst (multilocular) | BOTRYOID ODONTOGENIC CYST |
| It presents as a multilocular radiolucency between teeth like a grape cluster | BOTRYOID ODONTOGENIC CYST |
| BOTRYOID ODONTOGENIC CYST: radiographic | Multilocular cyst;grape like cluster |
| BOTRYOID ODONTOGENIC CYST: tx | Enucleation |
| ODONTOGENIC CYSTS: A soft tissue counter part of lateral periodontal cyst | GINGIVAL CYST OF ADULT |
| GINGIVAL CYST OF ADULT: etiology | dental lamina remnants in soft tissue between oral epithelium and periosteum (rest of serres) |
| GINGIVAL CYST OF ADULT: location | mandibular premolar area and maxillary incisor and canine area |
| ODONTOGENIC CYSTS: Small soft tissue swelling (1cm or less) within the dental papilla or in midcrestal area in edentulous ridges | GINGIVAL CYST OF ADULT |
| GINGIVAL CYST OF ADULT: radiograph | no evidence of bone resorption |
| GINGIVAL CYST OF ADULT: histo | nonkeratinized; glycogen containing clear cells |
| GINGIVAL CYST OF ADULT: tx | Local excision |
| ODONTOGENIC CYSTS: Multiple nodules along the alveolar ridge in neonates | GINGIVAL CYST OF THE NEW BORN |
| GINGIVAL CYST OF THE NEW BORN:Alveolar ridge | Bohn’s nodules |
| GINGIVAL CYST OF THE NEW BORN:Midline of the palate | Epstein’s pearls or palatine cyst of the new born |
| GINGIVAL CYST OF THE NEW BORN:Appear as a small nodules that are white in color due to the presence of _____in the lumen | keratin |
| GINGIVAL CYST OF THE NEW BORN: histo | keratinized stratified squamous epithelium with keratin in lumen |
| GINGIVAL CYST OF THE NEW BORN: tx | none needed |
| GINGIVAL CYST OF THE NEW BORN: Cysts rupture in the oral cavity before patient is ___ months of age | 3 |
| ODONTOGENIC CYSTS: “Cyst containing teeth” | DENTIGEROUS CYST |
| ODONTOGENIC CYSTS: Most common developmental cyst of the jaws | DENTIGEROUS CYST |
| Dentigerous CYSTS: etiology | accumulation of fluid between remnants of enamel organ; partial enamel organ degeneration |
| ODONTOGENIC CYSTS: 2nd most common odontogenic cyst | DENTIGEROUS CYST |
| DENTIGEROUS CYST: location | 3rd molars and maxillary canine |
| DENTIGEROUS CYST: age; gender | 2nd/3rd decade; male |
| DENTIGEROUS CYST: clinical feature | Asymptomatic; late eruption or impaction of permanent tooth |
| ODONTOGENIC CYSTS: These dentigerous cyst contains most of the crown of the impacted tooth we called it _____, | circumferential dentigerous teeth |
| DENTIGEROUS CYST:But then round to oval radiolucency around the side that covers the portion of the root and crown area we called it the | lateral dentigerous cyst |
| ODONTOGENIC CYSTS: Presence of radiolucency associated with crown of impacted teeth | DENTIGEROUS CYST |
| DENTIGEROUS CYST: histo | non-keratinized stratified squamous epithelium |
| DENTIGEROUS CYST: tx | removal of the associated tooth and enucleation of the soft tissue component |
| ERUPTION CYST: etiology | Reduced enamel epithelium |
| ERUPTION CYST: appears with _____ on gums | Bluish discoloration |
| ERUPTION CYST: histo | compressed fragments of thin epithelium |
| ERUPTION CYST: tx | none |
| ERUPTION CYST:If necessary, uncover the erupting tooth to _____ the cyst and to facilitate tooth eruption | marsupialize |
| ODONTOGENIC CYSTS: is also used when there is bleeding within the cyst due to surface trauma | Eruption hematoma |
| ODONTOGENIC CYSTS: a mucous producing salivary gland tumor | GLANDULAR ODONTOGENIC CYST |
| other name for GLANDULAR ODONTOGENIC CYST | SIALO-ODONTOGENIC CYST |
| GLANDULAR ODONTOGENIC CYST: age | adult |
| GLANDULAR ODONTOGENIC CYST: favored location | anterior mandible crossing the midline |
| GLANDULAR ODONTOGENIC CYST: radiographic | multiloculated; well defined and sclerotic margin |
| The epithelium is often squamous, but a distinct layer of cuboidal to columnar cells with eosinophilic cytoplasm is seen. These are mucous producing and some may have cilia in the surface | GLANDULAR ODONTOGENIC CYST |
| GLANDULAR ODONTOGENIC CYST: tx | surgical management, Periapical curettage/marginal excision |
| GLANDULAR ODONTOGENIC CYST: RR | Aggressive with recurrence potential |
| Asymptomatic but can cause jaw expansion and tooth mobility of affected area | ODONTOGENIC KERATOCYST |
| ODONTOGENIC KERATOCYST: age | any; peaks at 2nd and 3rd decade |
| ODONTOGENIC KERATOCYST:Occurs in children as part of _____syndrom | basal cell nevus syndrome |
| ODONTOGENIC KERATOCYST: commonly affected area | posterior portion of the body of the ramus of the mandible and maxillary canine and 3rd molar area |
| ODONTOGENIC KERATOCYST(types):ORIGIN KERATOCYST (60% of cases) (originated from dental papilla) | PRIMORDIAL |
| ODONTOGENIC KERATOCYST(types):ORIGIN KERATOCYST (40% of cases) (originated during the process of tooth formation – presence of dental lamina) | DENTIGEROUS |
| ODONTOGENIC KERATOCYST: radiographic | Well circumscribed radiolucency with smooth radiopaque rim |
| ODONTOGENIC KERATOCYST: Keratinizing odontogenic cyst histo | orthokeratin, a granular cell layer, and flattened basal cell |
| ODONTOGENIC KERATOCYST: Typical odontogenic keratocyst histo | parakeratinized corrugated surface, hyperchromatic palisaded basal cells |
| ODONTOGENIC KERATOCYST: tx | Marsupialization and an unerupted tooth that is associated with the cyst is guided into the arch |
| ODONTOGENIC KERATOCYST: tx for small cysts | Enucleation and curettage |
| ODONTOGENIC KERATOCYST: tx large multilocular keratocyst | Resection |
| CALCIFYING ODONTOGENIC CYST: etiology | odontogenic epithelial remnants within the gingival area |
| CALCIFYING ODONTOGENIC CYST:location | maxilla |
| CALCIFYING ODONTOGENIC CYST: age | <40; peak 2nd decade |
| CALCIFYING ODONTOGENIC CYST: gender | females |
| CALCIFYING ODONTOGENIC CYST: clinical | Expansion of alveolar bone or soft tissues; Absence of tenderness |
| CALCIFYING ODONTOGENIC CYST: radio | Unilocular or multilocular; salt and pepper pattern |
| CALCIFYING ODONTOGENIC CYST:histo | Ghost cell keratinization; Well delineated cystic proliferations with fibrous CT wall |
| CALCIFYING ODONTOGENIC CYST: tx | Enucleation |
| NON-ODONTOGENIC CYST: Nonspecific designation for any lesion in between maxillary lateral incisor and canine | GLOBULOMAXILLARY CYST |
| globulomaxillary area | between maxillary lateral incisor and canine |
| GLOBULOMAXILLARY CYST: clinical | vital teeth, asymptomatic, root divergence |
| GLOBULOMAXILLARY CYST: radiographic | Inverted pear-shaped |
| GLOBULOMAXILLARY CYST: tx | surgical enucleation |
| NON-ODONTOGENIC CYST:Usually appears as a swelling of the upper lip lateral to the midline | NASOLABIAL CYST |
| NON-ODONTOGENIC CYST:Soft tissue cysts of the upper lip | NASOLABIAL CYST |
| NASOLABIAL CYST: age | 4th and 5th decade |
| NASOLABIAL CYST: gender | female 3:1 |
| NASOLABIAL CYST: common area | canine region or the mucobuccal fold |
| NASOLABIAL CYST: histo | pseudo stratified columnar type; numerous goblet cells |
| NASOLABIAL CYST: tx | Complete surgical excision |
| MEDIAN MANDIBULAR CYST: Fissural origin was based on the nolonger- tenable theory of ________ of the mandible during the fusion of each half of the mandibular arch | epithelial entrapment in the midline |
| MEDIAN MANDIBULAR CYST(radiographic):Median Mandibular cyst - direct location | midline |
| MEDIAN MANDIBULAR CYST(radiographic):Glandular can extends towards the | posterior area |
| MEDIAN MANDIBULAR CYST: tx | surgical enucleation |
| NASOPALATINE CANAL CYST: origin | developmental |
| NASOPALATINE CANAL CYST: etiology | embryologic remnants of the nasopalatine duct |
| NON-ODONTOGENIC CYST:Intraosseous lesion usually present in the midline of the anterior maxilla near the incisive foramen | NASOPALATINE CANAL CYST |
| NASOPALATINE CANAL CYST: clinical features | inflamed, pain, pressure, drainage, swelling |
| NASOPALATINE CANAL CYST: radiographic | heart shaped between roots of CI |
| NON-ODONTOGENIC CYST:Well-circumscribed oval or heart-shaped radiolucency of the midline of the anterior maxilla superior to and between the roots of the central incisors smooth cortical border | NASOPALATINE CANAL CYST |
| NASOPALATINE CANAL CYST: histo lined with | respiratory/ stratified squamous epithelium or both |
| NASOPALATINE CANAL CYST: tx | surgical enucleation |
| ANEURYSMAL CYST: etiology | unknown |
| ANEURYSMAL CYST: maybe related to | altered hemodynamics or abnormal healing of bone hemorrhage |
| ANEURYSMAL CYST: age | Teenagers and young adults; <20 |
| ANEURYSMAL CYST: arch predilection | mandible |
| ANEURYSMAL CYST: area of the maxilla more affected | posterior molar-bearing segments |
| ANEURYSMAL CYST: Clinically, these lesions are characterized by a | non-pulsatile swelling of variable duration |
| ANEURYSMAL CYST: histo | Blood filled spaces lined by connective tissue and multinucleated giant cells |
| ANEURYSMAL CYST: tx | Excision |
| PSEUDOCYST: An empty infrabony cavity that lacks an epithelial lining | TRAUMATIC BONE CYST |
| TRAUMATIC BONE CYST: etiology | unknown |
| TRAUMATIC BONE CYST: possibly from | trauma, bleeding of jaw with clot resorption |
| TRAUMATIC BONE CYST: age | 10-20; teenagers |
| TRAUMATIC BONE CYST: arch | mandible |
| TRAUMATIC BONE CYST: area | premolar – molar region |
| TRAUMATIC BONE CYST: gender | male 60% |
| PSEUDOCYST: Asymptomatic and usually discovered accidentally | TRAUMATIC BONE CYST |
| TRAUMATIC BONE CYST: 20% might have | painless swelling |
| TRAUMATIC BONE CYST: associated with __ teeth | vital |
| TRAUMATIC BONE CYST: At peration the lesion appear as an ____ | empty cavity |
| TRAUMATIC BONE CYST: radiographic | uni/multi; scalloping around the roots |
| TRAUMATIC BONE CYST: tx | Surgical intervention and curettage |
| PSEUDOCYST: Non-odontogenic cyst “not a true cyst” | STATIC (STAFNE’S) BONE CYST |
| PSEUDOCYST: Corticated defect in the posterior mandible below the ID canal | STATIC (STAFNE’S) BONE CYST |
| PSEUDOCYST: May contain part of the submandibular gland | STATIC (STAFNE’S) BONE CYST |
| STATIC (STAFNE’S) BONE CYST: origin | developmental defect |
| STATIC (STAFNE’S) BONE CYST: location | below mn canal in molar region |
| STATIC (STAFNE’S) BONE CYST: tx | none if no pain |
| PSEUDOCYST: Uncommon lesions that typically present as asymptomatic | FOCAL OSTEOPOROTIC BONE MARROW DEFECT |
| FOCAL OSTEOPOROTIC BONE MARROW DEFECT: Focal radiolucency in areas where ________ is normally seen (angle of the mandible and maxillary tuberosity) | hematopoiesis |
| FOCAL OSTEOPOROTIC BONE MARROW DEFECT(histology): Predominance of _____ cells with relatively fewer flat cells | hematopoietic |
| FOCAL OSTEOPOROTIC BONE MARROW DEFECT:Small _____aggregates maybe found | lymphoid |
| FOCAL OSTEOPOROTIC BONE MARROW DEFECT: tx | Incision biopsy |
| BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST: etiology | Entrapped epithelium in cervical lymph nodes during embryogenesis |
| BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST: location | lateral of neck; anterior to sternomastoid muscle |
| BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST:Most common site of these lesions is in | floor of the mouth followed by posterior lateral tongue |
| BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST: histo; lined with | stratified squamous epithelium, pseudostratified columnar epithelium or both |
| BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST:tx | Surgical excision |
| DERMOID CYST: etiology | developmental entrapment of multi potential cells/ possibly implantation of epithelium |
| DERMOID CYST: location | Anterior portion of the floor of the mouth in the midline |
| DERMOID CYST: clinical | Painless and slow growing |
| DERMOID CYST: consistency | Soft and doughy |
| DERMOID CYST: Soft and doughy because of _______ in the lumen | keratin and sebum |
| DERMOID CYST: histo | stratified squamous epithelium supported by a fibrous connective tissue wall; Numerous secondary skin structures |
| DERMOID CYST: tx | Surgical excision |
| SOFT TISSUE CYSTS OF THE NECK:Can also seen in babies | BRANCHIAL CYST/ CERVICAL LYMPHOEPITHELIAL CYST |
| THYROGLOSSAL TRACT CYST: etiology | epithelial remnants of the thyroid gland |
| THYROGLOSSAL TRACT CYST:epithelial remnants of the thyroid gland as it grows downward from the _______to its permanent location in the neck | foramen caecum area |
| THYROGLOSSAL TRACT CYST:clinical | asymptomatic; >30 |
| SOFT TISSUE CYSTS OF THE NECK:Most common developmental cysts of the neck, accounting for nearly ¾ of small lesions | THYROGLOSSAL TRACT CYST |
| THYROGLOSSAL TRACT CYST:histo (level of hyoid bone) | Stratified squamous epithelium |
| THYROGLOSSAL TRACT CYST:histo(below hyoid bone) | Ciliated or columnar epithelium |
| THYROGLOSSAL TRACT CYST: treatment | Surgical excision |
