⭐ GORLIN SYNDROME (Basal Nevus Cell Carcinoma Syndrome) Gorlin syndrome is an autosomal dominant neurocutaneous (phakomatosis) disease characterized by a triad of multiple basal cell nevi, jaw odontogenic keratocysts, and skeletal anomalies. 🔹An odontogenic (primordial) keratocyst is a cyst that arises from a tooth before its calcification. 🔹It is most commonly located posterior to the […]
IMPORTANT EXAM CRACKERS (COMMON TUMOURS) Most common malignancy in females in the world – Breast cancer followed by lung cancer Most common malignancy in females in India – Carcinoma […]
IMPORTANT ORAL MANIFESTATIONS OF METABOLIC DISORDERS DIABETES MELLITUS : Severe periodontitis with loosening of teeth, gingivitis and painful gingival, burning mouth syndrome, delayed wound healing, mucosal ulceration, acetone breath, increased risk of infection, bilateral nontended enlargement of parotids (diabetic sialedenitis), xerostomia, gingival hyperplasia, candidiasis and atrophy of tongue papillae. AMYLOIDOSIS : Macroglossia with smooth, brawny […]
RADIOGRAPHIC CHANGES IN VARIOUS TOOTH ABNORMALITIES GEMINATION (Incomplete) : Two crowns with one root DILACERATION : Sharp bend in the tooth (mostly root) DENS IN DENTE : Tooth within a tooth TAURODONTISM : Large crown with small root, too much apically placed bifurcation CONCRESCENCE: Joining roots of many teeth obliteration of periodontal ligament space AMELOGENESIS […]
TYPICAL RADIOLOGICAL APPEARANCE CONTD.. Brush in winter appearance: Normal sialographic appearance of submandibular gland Savage like appearance: Sialographic appearance of Sialographic Snow storm appearance: Sialographic appearance of sjogren’s syndrome Sialectasis: Sialographic appearance of Sialodenitis Ball in hand appearance: Sialographic appearance of intrinsic benign tumors Balloon like appearance: Follicular cyst Cadman’s triangle: Osteogenic sarcoma Candlestick appearance: […]
TYPICAL RADIOLOGICAL APPEARANCE: Soap bubble appearance: Ameloblastoma, ABC, Central hemangioma Driven snow appearance: Calcifying epithelial odontogenic cyst Honeycomb pattern: Calcifying epithelial odontogenic cyst, odontogenic myxoma, hemangioma, giant cell granuloma Sunburst appearance: Hemangioma, osteosarcoma Sun ray appearance: Hemangioma, osteosarcoma, osteoblastoma Hair on end appearance: Sickle cell anemia, thalassemia Tennis racket: Odontogenic myxoma Moth eaten appearance: Early […]
TYPICAL FEATURES OF LESION: 🔸Ameloblastoma: Eggshell cracking 🔸Pyogenic granuloma: Hourglass appearance 🔸Hodgkin’s disease: Bimodal age incidence peak 🔸Psoriasis: Auspitz sign 🔸Lichen planus: Wickham’s striae 🔸Pemphigus: Nikolsky’s sign 🔸Scarlet fever: Strawberry or raspberry tongue 🔸Diphtheria: Diphtheria membrane 🔸Wegener’s granulomatosis: Strawberry gingivitis 🔸Tetany: Risus sardonicus 🔸Behcet’s syndrome: Pathergy tests positive 🔸Measles: Koplik’s spot 🔸Ricket: Rachitic rosary, […]
Lamina – dura: Lamina-dura is a radiographic feature appears as a thin radiopaque line surrounding the roots of the teeth, which represents the alveolar bone proper. Presence of intact lamina-dura around the apex of the tooth strongly suggestive of vital pulp. Absence of lamina-dura indicates either periapical pathology or occassionally improper angulation of the X-ray […]
BONY LESIONS OF THE JAWS: Bony lesions of the jaws are classified into: 1) RadiolucentA) Unilocular B) Multilocular 2) Radiopaque 1) RadiolucentA) Unilocular Radiolucent Lesions1) Periapical Abscess2) Periapical Granuloma3) Periapical Cyst4) Periapical Scar5) Surgical Defect6) Osteomyelitis7) Dentigerous Cyst8) Early Stage Of Cementoma9) Periodontal Abscess10) Traumatic Bone Cyst11) Unilocular Ameloblastoma12) Aneurysmal […]
INTENSIFYING SCREEN 1) Definition: It is a device that transfers X-ray energy into visible light; the visible light, in turn exposes the screen film. These screens intensify the effect of X-rays on the film, thus less radiation required to expose a screen film, thus less […]