a Periapical lesion was discovered 1.5 years after an uncondensed, single cone root canal filling was placed in max central incisor. Which of the following is most likely to displace the adjacent teeth? Ans A because by age 6 Cr formation already formed. EL magnifico. E. All of the above. NBDE Part 2 Sample Questions and Answer 2020 Tags: NBDE Resources Download Dentistry Exams Comments: 0 (use Dr. fun for second day, master day 2, unicorn) Caterpillar corrected saba. 14 year old patient without a thumb sucking habit. This is a call number: WU 18.2 M8947 2015 p.1; WU is what to look for first. Q:10-"Rootless teeth"ť is clinically called. A. Zinc oxide. Ans 2 (lauryl sulfate for detergent, pyrophosphate for antitartar), Ans: resin (COTE) unfilled resin even more, Highest thermal conductivity: gold, then amalgam. Tx? Which part of the cutting edge of the curret should be adapted to the line angle of the tooth? The National Board Dental Examination Part II (NBDE II*) is a two-day examination administered on computer. We discuss in these nbde questions from different topics like nbde part 2 test, nbde … You will need 2/1.5 mm more for the prep to remain on sound tooth structure. A- Gap formation which allows bacterial penetration into the dentin tubules, B- Gap formation which allows an outward flow of fluid from through the dentin tubules, C- Direct toxic effects of a 15 second acid etc on the pulp, D- Cuspal deformation due to contraction forces of polymerization shrinkage. CREST syndrome: Limited Scleroderma, only in lower arms & Legs, sometimes face & throat. B) Bohn’s nodule C) Congenital cyst of newborn ans B, Epstein pearls: (keratin-filled cysts on midline raphe, not odonto) Bohn’s nodule (keratin-filled cysts rests of dental lamina odontogenic cysts) congenital cyst/epulis of newborn: granular cell myoblastoma on gingiva, Salivary flow hypofunction: unstimulated less than 0.1mL, and stimulated <0.7mL, Most common tumor OVERALL of salivary gland: Pleomorphic adenoma, Most commonly resembles parotid gland, mixed cell type, firm rubbery consistency, Most common tumor of MAJOR salivary parotid: Pleomorphic adenoma, Most common tumor overall of MINOR salivary: Pleomorphic adenoma, Most common MALIGANANCY of salivary gland: Mucoepidernoid, ACC, 2nd Most common malignancy of MINOR salivary gland: PLGA, Adenoid cystic carcinoma ACC: Perineural invasion seen, cribriform, swiss cheese, highly reccurent, 15 year survival 10% (lethal), palate, Warthin tumor (Papillary Cystadenoma-lymphomatosum) in: 2nd benign parotid, oncocyte+lymphoid stroma, PLGA: second most common of minor malignancy sialolith found in: Wharton duct (submandibular) need occlusal x-ray to dx, A.Adenoid cystic carcinoma(malignant palate) B. Acinic cell adenocarcinoma (malignanat in parotid), Mucoepidermoid carcinoma (malignant parotid) Ans A, 1)uncommon and represent 2-4% of head and neck neoplasms, 2)common and represent 75-80% of head and neck neoplasms, 3)uncommon and represent 25-30% of head and neck neoplasms, 4)common and represent 95-98% of head and neck neoplasms Ans 1, Found Presence of Supernumerary teeth in: Cleidocranial dysplasia, Anodontia/Oligodontia mostly related to: Ectodermal dysplasia (mostly seen in Alveolar bone), Odontomas mostly associated with: Gardeners syndrome, Dens invaginates is commonly seen: Max lateral, Dens-in-dente most common in: MX LI Most common site of osteo-fibrosis (Cementoma): Mandibular Anterior, Hypercementosis, most common in PMs in Paget’s disease, Discolored of teeth seen: (Porphyria: purplish brown)(Cystic fibrosis: yellowish brown)(, Erythroblastosis fetalis: Ring like enamel hypoplasia, Blue sclera is seen in: osteogenesis imperfecta, hypophosphatasia, Actinomyces oral manifestation: Lumpy jaw, sulfur granules, 1st sign of multiple myeloma: Bone pain (“punched out” lesion in X-ray), Osteosarcoma: Sun burst and uniform/symmetrical widening PDL, paresthesia, Scleroderma: widening of PDL + microstomia, Most common benign tumor in oral cavity: Fibroma, Lesion of alveolar ridge in infant: Bohn’s nodule, Dry socket is a form of Periostitis, Pathophysiology of dry socket: Fibrinolysis Keratosis on the oral mucosa and dysplasia are more common in: tongue Oral Hairy Leukoplakia: not premalignant, caused by EBV, Osteonecrosis most common with IV drugs: Zolmeda (zoledronic acid) & Aredia (Palmidronate), not with Oral (Fosamax or Boniva), Nikolsky Sign: Pemphigus vulgaris (Acantholysis present) & Erythema multiforme, Subepithelial vesicular disease: Pemphigoid & Lichen planus, Chronic Desquamative gingivitis AKA Cicatrical pemphigoid, Cauliflower like pebbly appearance: Verrucous carcinoma, Condyloma accuminatum, Papilloma, Granular Cell Tumor (skin or mucosal tumor) histologically resembles: Congenital epulis, SCC, Lesion that resembles to SCC, but disappears in 16 weeks: Kerato-acanthoma (Skin tumor), Most common malignancy found in: Metastatic Ca (Bone), Basal cell ca (skin), SCC/Epidermoid ca (oral cavity) Muco-epidermoid Ca (Salivary gland), Swelling on maxillary lateral incisor area, doesn’t appear on rx. 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