#1
What does the abbreviation 'OPG' stand for in orthodontics?
Orthopantomogram
ExplanationA type of dental X-ray that shows a panoramic view of the upper and lower jaws.
#2
The term 'RPE' is commonly used in orthodontics. What does it stand for?
Rapid Palatal Expander
ExplanationA device used to widen the upper jaw to correct dental alignment.
#3
The abbreviation 'AP' in the context of orthodontics most likely stands for?
Anterior Posterior
ExplanationReferring to the front-back dimension of the dental arch.
#4
The term 'Lingual Braces' in orthodontics refers to what?
Braces that are applied to the tongue side of the teeth
ExplanationBraces attached to the back side of the teeth, facing the tongue.
#5
What is meant by 'Class II Malocclusion' in orthodontic terminology?
A condition where the upper teeth significantly overlap the lower teeth
ExplanationMisalignment of teeth where upper teeth protrude over lower teeth.
#6
The term 'Hawley Retainer' in orthodontics refers to what?
A removable retainer made of metal wires and acrylic
ExplanationA type of retainer used to maintain tooth alignment after orthodontic treatment.
#7
What does 'Essix Retainer' refer to in orthodontic treatment?
A clear plastic retainer
ExplanationA type of retainer made from transparent plastic material.
#8
What is the meaning of 'MBT' in the context of orthodontic bracket systems?
McLaughlin, Bennett, Trevisi System
ExplanationA popular orthodontic bracket system named after its developers.
#9
What does 'TADs' refer to in an orthodontic treatment context?
Temporary Anchorage Devices
ExplanationMiniature implants used as anchors to facilitate tooth movement.
#10
What does 'Cephalometric' relate to in orthodontics?
Radiographic technique to assess dental and skeletal relationships
ExplanationA method of analyzing the relationship of teeth and jaws using X-rays.
#11
In orthodontics, 'FMA' is a measurement used in cephalometric analysis. What does it stand for?
Frankfort Mandibular Angle
ExplanationAn angle used to evaluate the position of the mandible in relation to the skull.
#12
In orthodontics, what does the abbreviation 'CBCT' stand for?
Cone Beam Computed Tomography
ExplanationA type of X-ray imaging technique that produces detailed 3D images.
#13
In orthodontics, 'ALARA' principle is concerned with what?
Minimizing exposure to radiation
ExplanationA safety principle aiming to keep radiation exposure 'As Low As Reasonably Achievable'.
#14
The 'Nance Appliance' is used in orthodontics to:
Prevent the upper molars from moving forward
ExplanationA dental appliance used to prevent forward movement of upper molars.
#15
In orthodontics, 'IOTN' is a tool used to assess the need for treatment. What does it stand for?
Index of Orthodontic Treatment Need
ExplanationA scoring system used to prioritize orthodontic treatment based on severity.
#16
What does 'BMP' stand for, referring to orthodontic material?
Bone Morphogenetic Protein
ExplanationA protein that induces bone formation, used in orthodontic procedures.
#17
What does the orthodontic term 'Interproximal Reduction (IPR)' refer to?
The surgical removal of a small portion of the enamel between teeth
ExplanationProcedure to create space between teeth by removing some enamel.
#18
In orthodontics, 'SARPE' stands for what?
Surgically Assisted Rapid Palatal Expansion
ExplanationA procedure to widen the upper jaw using a surgical approach.
#19
What does 'DI' stand for in the context of orthodontic treatment planning?
Discrepancy Index
ExplanationA measure used to assess the degree of dental irregularity.
#20
The abbreviation 'PAOO' in orthodontics refers to which technique?
Periodontally Accelerated Osteogenic Orthodontics
ExplanationA surgical technique to accelerate tooth movement by inducing bone remodeling.
#21
What does 'OC' refer to in the context of orthodontic brackets?
Offset Correction
ExplanationAdjustment made to bracket placement to achieve proper tooth alignment.