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OA Exam

Orthodontic Assisting Practice Test

Sphygmomanometer An instrument for measuring blood pressure
Tooth Morphology Parts of the tooth
Oral Mucosa The mucous membrane lining inside the mouth
Types of Oral Diseases 1. Periodontal Disease 2. Gingivitis
Aphthous Ulcer Canker sore, A small, shallow sore inside the mouth
Cleft Palate A congenital split in the roof of the mouth
Oral Lesions A mouth ulcer on the mucous membrane of the oral cavity
Prosthetic Devices An intraoral device used to restore defects such as missing teeth, missing parts of teeth, and missing soft or hard structures of the jaw or palate.
Angle's Classification Edward Angle's (father of modern orthodontics) 1. Class I 2. Class II, Division 1 and 2. 3. Class III
Oral Tori A bony growth in the mandible along the surface nearest to the tongue
Gypsum Materials Dental Plaster, Dental Stone
Cariogenic Foods Producing or promoting the development of tooth decay
Cardiopulmonary Resuscitation emergency medical procedures for restoring normal heartbeat and breathing to victims of heart failure, drowning.
Syncope Temporary loss of consciousness caused by a fall in blood pressure
Myocardial Infarction Another name for heart attack
Avulsed teeth The complete displacement of a tooth from it's socket in alveolar bone to trauma.
How long do you have to save an avulsed tooth? What can you place the tooth in to save the tooth? 1. 30 mins 2. milk
Dental Jurisprudence The knowledge of law of dentistry
What is the proper way to trim a model? Trim the base of the upper model, then the upper sides, then the lower model base and sides
How many cusps would you expect to find on the first lower molar on permanent teeth? Five
How many cusps on the upper first molar? Four
Dental Radiography contributes to what percent of xrays taken in the healthcare setting? radiation from dental xray is approximately -1%
Most adhesives used to bond brackets come in what presentation? As a liquid, and paste, or powder
Chemical reactors for silicone-based products must be stored in a cool place because it will: Deteriorate after 6 months
When are the fees for oral surgery explained to patient? Before informed consent
A patient could suffer from bleeding complications if he or she has a______ condition. Kidney or Liver
Sterile dental supplies should be stored: In a separate, cool, dry place
The pulp contains all of the following except? 1. Muscles 2. Nerves 3. Blood Vessels 1. Muscles
The fold in the center of the lip is called? Philtrum
What word means "towards the midline"? Mesial
How long does it take to create new bone? 5 weeks
An underbite is what classification? Class III
The main purpose of an ultrasonic is to: Remove excessive debris
Continuous steel ties are used to: Keep teeth from moving apart
What appliance is a piston used to position the mandible? Herbst
What type of appliance is not a fixed/active appliance? Schwartz Appliance
A collimator minimizes patients exposure by: Narrowing the xray beam down
Dental plaque is the name given to: The growth and accumulation of bacteria on the teeth
Floride is important for orthodontic patients because: It helps prevent decalcification
The proper way to correct a mistake on a chart entry includes: A single line strike out the part of the entry that is incorrect
Osteoblasts Cells that form bone
Osteoclasts Cells that resorb bone
Distoclusion Class II
Mesioclusion Class III
How many parts are there to make up headgear? 2, 1.) face bow 2.) traction device
What does the face bow do? stabilizes or moves the upper first molar distally to create more room in the arch.
What does the traction device do? Applies the extraoral force needed to achieve desired treatment device
What are four types of traction? 1. High-pull 2. Cervical traction 3, Combination head gear 4. Chin cap
High-pull headgear does what? Retraction of the anterior teeth
Cervical traction? Used when the maxillary first molars are stabilized or moved distally
Combination head-gear? It exerts a force along the occlusal plane and upward
Chin Cap? for patients with class iii malocclusion
Created by: Drude2012
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