NEET MDS Shorts
55546
RadiologyWhich of the following helps in distinguishing an osseous neoplasm and a cyst on an X-ray: peripheral bone formation.
69400
Pharmacology
Gingivitis is a form of periodontal disease. Periodontal disease is when inflammation and infection destroy the tissues that support the teeth, including the gingiva (gums), the periodontal ligaments, and the tooth sockets (alveolar bone Malocclusion of teeth (misaligned teeth), rough edges of fillings, and ill fitting or unclean mouth appliances (such as orthodontic appliances, dentures, bridges, and crowns) can irritate the gums and increase the risk of gingivitis. Medications such as phenytoin and birth control pills, and ingestion of heavy metals such as lead and bismuth are also associated with gingivitis.
50152
ProsthodonticsThe path of insertion is crucial as it describes the trajectory the denture takes during placement, which is essential for ensuring proper fit and function.
63007
Dental Materials
For making impressions of edentulous ridges, impression plaster and impression compound are considered to be useful. For partial edentulous mouth impressions, hydrocolloids are useful.
49257
Orthodontics
SOLUTION Gingival group of fibers
Principal fibers of the periodontal ligament rearranges themselves quite rapidly to the position in about 4 weeks.The supra-alveolar gingival fiber take as much as 40 weeks to rearrange around the new position and thus predispose to relapse.
27552
Dental Materials
Potassium sulfate acts as an accelerator by increasing the solubility of the hemihydrate and promoting the formation of dihydrate, which speeds up the setting process.
65117
EndodonticsMicroabrasion for removal of local stains on teeth utilizes 18% hydrochloric acid. This technique involves: 1) Application of 18% hydrochloric acid mixed with pumice to create an abrasive paste, 2) The acid etches the enamel surface while pumice provides mechanical abrasion, 3) This removes superficial enamel layer containing stains (typically 25-200 micrometers), 4) Effective for fluorosis stains, white spot lesions, and superficial discolorations. The procedure requires careful isolation and neutralization to prevent tissue damage.
60758
ProsthodonticsThe secondary peripheral seal in mandibular denture is provided by the anterior lingual border.
80072
Prosthodontics
Chroma refers to the purity or saturation of a
color, distinguishing it from its brightness (value) or hue. In dental
color-matching, chroma is an essential factor when selecting materials for
aesthetic restorations.
35540
EndodonticsThe most generally accepted treatment of horizontal root fracture in the apical third of a maxillary central incisor involves frequent pulp testing and radiographic examination (monitoring approach). This conservative approach is preferred because: 1) Apical third fractures have excellent prognosis for natural healing, 2) Pulp often remains vital and functional, 3) Splinting may not be necessary as the fracture is inherently stable, 4) Regular monitoring allows early intervention if complications arise, 5) Surgical intervention or extraction is rarely needed. The healing usually occurs with fibrous tissue union.