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NEET MDS Shorts

27410
Radiology

Waters view is the best radiograph for viewing fractures of maxillary bone. It provides excellent visualization of the maxillary complex, including the maxillary sinuses, zygomaticomaxillary sutures, and orbital floors, which are commonly involved in maxillary fractures.

69459
Physiology

The parasympathetic nervous system acts on muscarinic receptors (specifically M2 receptors) in the heart to decrease the heart rate and atrial contractility, thereby contributing to a resting state and energy conservation.

86703
Oral Surgery

  • Chromic catgut sutures are natural absorbable sutures made from purified collagen of animal intestine, treated with chromium salts.

  • The chromic treatment delays absorption compared to plain catgut, making them last longer in tissues.

  • Absorption time:

    • Plain catgut: ~7 days

    • Chromic catgut: ~18–21 days

    • Catgut treated for extended absorption: may last up to 90 days in some cases

    • 40989
    Prosthodontics

     Explanation: The vertical dimension of occlusion (VDO) is easier to establish in patients with removable partial dentures (RPDs) because they typically have some natural teeth remaining. These teeth provide reference points for occlusal relationships and help in determining the appropriate vertical dimension. The presence of remaining teeth allows for better tactile feedback and aids in achieving a more accurate and functional occlusion. The other options, while they may have some relevance, do not directly contribute to the ease of recording VDO as effectively as the presence of remaining teeth.

    76001
    NEETMDS

    Physio-print is a term associated with a specific photographic orientation technique used to measure facial contours and volume.

    57630
    Periodontics

    The apically positioned flap is a surgical procedure in periodontology used to reduce pocket depths and increase the width of attached gingiva.

    It increases the clinical crown length by exposing more tooth structure. 

    It preserves the width of the attached gingiva, which is a key advantage of the procedure.
     
    It is effective at eliminating or reducing periodontal pockets. 

    The procedure is most commonly performed on the buccal (cheek) and lingual (tongue) sides of the teeth where there is sufficient attached gingiva, not the palatal side, as the anatomy of the palate (presence of palatal rugae and greater palatine neurovascular bundle) makes it less suitable for this specific technique. 

    69756
    Biochemistry

    The immunoglobulin secreted in Bile is IgA

    70702
    Oral Pathology

    The Burtonian line around the gingival is caused by the absorption of lead.

    30390
    Periodontics

    Gingival changes, specifically gingival enlargement (overgrowth), are known side effects associated with several classes of medications. Phenytoin (an anticonvulsant), cyclosporine (an immunosuppressant), and nifedipine (a calcium channel blocker) are the three major drugs widely recognized for causing this condition. 
    Phenytoin induces gingival overgrowth in approximately 50% of patients.
    Cyclosporine causes the condition in about 30% of patients.
    Nifedipine and other calcium channel blockers have an incidence rate of around 10-20%.

    38185
    Periodontics

    Long-term functional changes around teeth can lead to osteoporosis in the alveolar bone, which is characterized by a decrease in bone density. This can affect the support of the teeth. 

    Quick Key Notes

    Anatomy

    Physiology

    Biochemistry

    Dental Materials

    Dental Anatomy

    Pathology

    Microbiology

    Pharmacology

    Oral Pathology

    Community Dentistry

    Medicine

    Surgery

    Oral Medicine

    Prosthodontics

    Orthodontics

    Periodontology

    Oral Surgery

    Conservative Dentistry

    Endodontics

    Pedodontics

    Radiology

    Anaesthesia