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NEET MDS Shorts

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Pedodontics

Compared to the permanent dentition the mesio distal diameter of the primary dentition is larger  . The space is used by the mandibular molars  and it may correct an end-to-end molar relationship into a normal molar relationship in permanent dentition.

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NEETMDS

Hutchinson triad is a set of three clinical signs associated with congenital syphilis: interstitial keratitis (corneal inflammation), sensorineural deafness, and Hutchinson's teeth (peg laterals). A flat nasal bridge is not part of the triad. 

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Prosthodontics

To allow space for the dentures, most tuberosity reduction requires only soft fibrous tissue removal.

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Oral Pathology

Cleidocranial dysostosis is characterized by absent or hypoplastic clavicles, which is the pathognomonic feature of this condition. This allows patients to bring their shoulders together. Osteogenesis imperfecta affects bone fragility, fibrous dysplasia causes fibrous tissue replacement of bone, and osteopetrosis causes marble bone disease, but none of these affect the clavicles specifically.

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Endodontics

Class III: Enamel-Dentin-Pulp Fracture

  • Description: Involves enamel, dentin, and exposes the pulp.
  • Endodontic Consideration: This type of fracture typically requires endodontic treatment (root canal therapy) to manage the exposed pulp and prevent infection. The prognosis depends on the extent of the fracture and the vitality of the pulp.

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INI CET

Adrenaline (Epinephrine) acts on alpha-adrenergic receptors to cause potent vasoconstriction, effectively reducing blood flow to the extraction site to control hemorrhage.

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Oral Surgery

Marsupialization is a surgical procedure often used for cysts or abscesses. While it does have several advantages, such as minimal exposure of bone and preservation of vital structures, it is not typically associated with rapid healing. The healing process can be prolonged compared to other surgical techniques because it involves creating a permanent opening for drainage, which may take time to close completely.

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Dental Materials

The setting time for a condensation silicon impression material is best controlled by amount of accelerator added

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Oral Medicine

Achondroplasia is the most common form of short-limb dwarfism and affects endochondral bone formation (bone formation in cartilage), particularly in the long bones. This results in characteristic features like short arms and legs and an average-sized trunk. 


Generalized cortical hyperostosis: This condition involves excessive thickening of the outer layer (cortex) of bones, not primarily the growth plates, and does not lead to the disproportionate short stature seen in achondroplasia.

Craniofacial dystosis: This is a condition (such as Crouzon syndrome) characterized by abnormal development of the skull and facial bones (premature fusion of cranial sutures), which can affect the shape of the head and face, but does not primarily cause the disproportionate limb shortening of achondroplasia.

Marfan's syndrome: This is a connective tissue disorder that typically causes individuals to be tall and thin with long limbs and fingers (dolichostenomelia), the opposite of the skeletal features in achondroplasi1) It commonly affects the cardiovascular and ocular systems. 

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Oral and Maxillofacial Surgery

Non-absorbable sutures are ideal for situations where sustained support is required beyond the typical healing period, ensuring that the tissue remains stable during the recovery process.

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