Talk to us?

NEETMDS- courses, NBDE, ADC, NDEB, ORE, SDLE-Eduinfy.com

NEET MDS Shorts

93619
Orthodontics

The activator corrects retrognathic mandible by inducing adaptive growth at the condylar region through functional stimulation.

85307
Orthodontics

Supervision of a child's dentition is critical during all developmental stages, but the 7-10 years age range, which is the mixed dentition stage, is a particularly important time for monitoring. This is because it is the period when both primary (baby) and permanent (adult) teeth are present in the mouth. During this stage, children are at risk for various dental problems such as crowding, malocclusion, and the loss of primary teeth that can affect the eruption of permanent teeth.

39931
Orthodontics

Classification of appliances for thumb-sucking

1. Removable appliances- These are passive appliances. These are retained in the oral cavity by means of clasps and they norm have one of these following additional components:
a. Tongue spikes
b. Tongue guard
c. Spurs/rake 

2 Fixed appliances 

a. Quad helix
b. Hay rakes
c. Maxillary lingual arch with palatal crib 

The ideal appliance to correct posterior cross-bite caused due to digit sucking is Quad Helix. It is a lingual arch which is adjustab and needs very little patient cooperation because it is fixed and is reliable and easy to use.

91864
Orthodontics

moderate force, in the range of 50 to 150 grams

43142
Orthodontics

The position of the maxillary canines and first permanent molars relative to the mandibular canines and first permanent molars

30779
Orthodontics

Terms used to describe the position of teeth.

Mesioversion - A tooth in the arch located more mesial than normal
Distoversion - A tooth in the arch located more distal than normal
Labioversion - An incisor or canine outside of arch towards the lips
Buccoversion - A  posterior tooth outside the arch toward the cheek
Linguoversion - A  tooth inside the arch form toward the tongue
Infraversion  - A tooth that has not erupted to the occlusal plane
Supraversion - A tooth the has over-erupted
Torsiversion - A tooth rotated on its axis
Transversion (Transposition) - Teeth that are in the wrong sequential order.

43389
Orthodontics

SOLUTION

Mechanical approaches for aligning unerupted teeth. Orthodontic traction to pull an unerupted tooth toward the line of the arch should begin as soon as possible after surgery 
Ideally a fixed orthodontic appliance should already be in place before the unerupted tooth is exposed, so that orthodontic force can be applied immediately. 
If this is not practical, active orthodontic movement should being no later than 2 or 3 weeks post-surgically.

71472
Orthodontics

  • The primary purpose of Howe's Analysis is to assess the width of the dental arches and to identify any discrepancies between the maxillary (upper) and mandibular (lower) arches. This is particularly important in cases of malocclusion, where the alignment of the teeth and the relationship between the jaws may be compromised.

 

  • The analysis involves measuring specific distances on the dental casts, including:
    • Intercanine Width: The distance between the cusp tips of the canines.
    • Interpremolar Width: The distance between the cusp tips of the first premolars.
    • Intermolar Width: The distance between the cusp tips of the first molars.
  • These measurements are used to calculate the Percentage of Maxillary Buccal Arch Width (PMBAW%), which is a key indicator in the analysis.

 

  • The results of Howe's Analysis can indicate different treatment needs:
    • Normal Case: A PMBAW% within a certain range (typically around 50-60%).
    • Narrow Case: A PMBAW% below the normal range, indicating a need for arch expansion.
    • Wide Case: A PMBAW% above the normal range, which may suggest the need for extraction or other interventions.
    • Borderline Case: A PMBAW% around 44, indicating that the arch width is at a threshold where careful consideration is needed for treatment options.

52558
Orthodontics

Reverse labial bow is so called as activation of the bow is done by opening the U-loop, instead of compressing as is seen in the conventional labial bows. 

74612
Orthodontics

The crib appliance is a fixed or removable orthodontic device designed to interfere with the habit of thumbsucking by physically blocking the thumb from resting on the palate. 

This interruption helps to correct dental issues associated with prolonged thumbsucking, such as open bites or flared upper incisors. 

The other listed appliances (Frankel, Bionator, Activator) are primarily functional orthodontic appliances used to guide jaw growth and correct malocclusions, not specifically designed for breaking habits like thumbsucking.

Quick Key Notes