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Dentistry Test 2024., Exams of Dentistry

Princeton UniversityDentistry

Dentistry Test Questions & Answers 2024

Typology: Exams

2023/2024

Available from 09/09/2024

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Dentistry Test
What is the role of a dental hygienist? -
✔Clean plaque and tartar from teeth and gums
What education is required to become a dental hygienist? -
✔2 year of college after prerequisite courses
What is the difference between a general and pediatric dentist? -
✔General dentists see all ages, pediatric only children and adolescents
plaque -
✔Microscopic film that forms on teeth caused by bacteria (even in those who brush
and floss). Can lead to tooth decay and disease.
tartar -
✔Also known as calculus, formed by calcium deposits on teeth.
How often should you have a professional teeth cleaning? -
✔Every 6 months
What is the role of a dental assistant? -
✔Directly support dentist by preparing instruments and exam room, seats the
patient, hands instruments to dentist and cleans room and equipment between patients
What education is required to become a dental assistant? -
✔Can be on the job training, but many are trained in technical school programs and
all earn a certification
What does a dental receptionist do? -
✔Greets patients, schedules appts, handles forms, insurance and payments
What are teeth made of? -
✔NOT BONES
dentin -
✔Hard, yellowish substance forms the structure of the tooth
cementum -
✔Covers dentin below gum line and anchors ligaments to hold roots in the jaw bone
enamel -
✔HARDEST SUBSTANCE IN HUMAN BODY. covers dentin above the gum line
pulp -
✔Fills the hollow space in the tooth with blood vessels and nerves
How many primary (deciduous) teeth does a child develop? -
✔20
By what age does a child normally have all of their primary teeth? -
✔3years old
Loses first tooth around 6 years old, usually an incisor
incisors -
✔Thin, sharp, like a blade to cut through food when you bite into it
cuspids -
✔(canines) sharp and pointed to tear through food
premolars -
✔(bicuspids) 2 points, tear and grind food
molars -
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Dentistry Test

What is the role of a dental hygienist? - ✔Clean plaque and tartar from teeth and gums What education is required to become a dental hygienist? - ✔2 year of college after prerequisite courses What is the difference between a general and pediatric dentist? - ✔General dentists see all ages, pediatric only children and adolescents plaque - ✔Microscopic film that forms on teeth caused by bacteria (even in those who brush and floss). Can lead to tooth decay and disease. tartar - ✔Also known as calculus, formed by calcium deposits on teeth. How often should you have a professional teeth cleaning? - ✔Every 6 months What is the role of a dental assistant? - ✔Directly support dentist by preparing instruments and exam room, seats the patient, hands instruments to dentist and cleans room and equipment between patients What education is required to become a dental assistant? - ✔Can be on the job training, but many are trained in technical school programs and all earn a certification What does a dental receptionist do? - ✔Greets patients, schedules appts, handles forms, insurance and payments What are teeth made of? - ✔NOT BONES dentin - ✔Hard, yellowish substance forms the structure of the tooth cementum - ✔Covers dentin below gum line and anchors ligaments to hold roots in the jaw bone enamel - ✔HARDEST SUBSTANCE IN HUMAN BODY. covers dentin above the gum line pulp - ✔Fills the hollow space in the tooth with blood vessels and nerves How many primary (deciduous) teeth does a child develop? - ✔ 20 By what age does a child normally have all of their primary teeth? - ✔3years old Loses first tooth around 6 years old, usually an incisor incisors - ✔Thin, sharp, like a blade to cut through food when you bite into it cuspids - ✔(canines) sharp and pointed to tear through food premolars - ✔(bicuspids) 2 points, tear and grind food molars -

✔Flat teeth in back of mouth, grind food What is dental charting and why is it done? - ✔Easy to read record of what has been done, is wrong with or needs to be done on teeth for each patient How are the teeth numbered? - ✔Number one starters with the 3rd molar on upper right, continues to number 16 on upper left, then 17 is third molar on lower left to 32 is the 3rd molar on lower right Define impacted? - ✔Tooth unable to break through gums lingual surface - ✔Backside of tooth (surface you can rub with your tongue on back of tooth facial surface (differentiate between labial and buccal) - ✔Cheek and lip surface (can rub your tongue on front of tooth) Labial means lips (front surface for incisors and cuspids) Buccal means cheeks (front surface for bicuspids and molars) mesial surface - ✔Surface closest to midline of the dental arch (touches the distal surface of previous tooth) distal surface - ✔Farthest from midline toward back of mouth (touches mesial surface o next tooth) Define midline as it refers to the mouth and teeth - ✔Imaginary line between 2 front teeth. Divides each dental arch into left and right sides Describe the incisal surface. Which teeth have this surface? - ✔Biting edge of front teeth #6-11 and 22- Describe the occlusal surface. Which teeth have this surface? - ✔Chewing surface of back teeth 1-5, 12-16, 17-21, 28- Where is the tooth embedded? - ✔Jawbone (maxilla on top and mandible on bottom) What is the purpose of the ligaments? - ✔Hold tooth roots in the bone Describe enamel, dentin and pulp - ✔Enamel is white outer layer, dentin is yellow middle layer and pulp is the inner pink layer Describe gingiva - ✔Gum tissue Caries (cavities) charting - ✔Color red in shape of cavity Amalgam fillings charting - ✔Color blue in shape of filling Gold fillings charting - ✔Outline blue and add stripes Composite fillings charting - ✔Outline blue with dots Temporary crowns charting - ✔Outline blue with T

✔General exam Why do dentists ask about general health and check vital signs? - ✔Problems in the mouth can be an indication of problems in other areas of the body, too - and some diseases can affect the teeth Describe a general dental exam - ✔- General medical history and vital signs

  • Dental history head and face for any signs of abnormalities, such as swelling or bruising
  • looks at the gums, cheeks, and tongue - all part of the soft tissues of the mouth
  • examine the hard surfaces of the teeth and alignment
  • General health of teeth and gums
  • Radiographs periodontal disease - ✔Disease of the gums Describe a full set of XRays How many films? What do they show? - ✔18 X-ray images all around the mouth.
  • 14 images show the entire tooth including the crown, or top, and the root. There are 2- 3 teeth shown on each film, including the surrounding bone.
  • 4 bite-wing images Define bitewings - ✔taken of the molars and bicuspids. These images show if there are any cavities between teeth that can't be seen in a visual exam. Why is an apron worn during radiograph procedures - ✔Protect vital organs from radiation What is a cassette for dental Xrays? - ✔a small device that fits inside the mouth. The cassette is positioned to capture images of the teeth in the same way as with film radiography. The difference is that the cassette captures the images, so there is no film to process. The images appear on a computer screen and the dentist uses a software program to analyze the patient's dental health. What can dental X-Rays show? - ✔In a normal mouth the gums (gingival) cover the roots of the teeth and X-rays are necessary to see if there is any infection or other damage that is taking place below the gums. X-rays also show cavities (caries) that are below the surface of the teeth, how deep and wide they have spread, helping the doctor determine the best treatment to restore the teeth to normal. Finally, X-rays can identify gum (periodontal) disease that cannot be seen from a visual review of the mouth. Solid white areas in a dental xray - ✔a restoration using either gold, amalgam or porcelain Light gray areas in a dental xray - ✔Composite fillings dark areas in a dental xray -

✔cavities or infection Solid white with dark border on a dental xray - ✔gold, amalgam or porcelain restoration is faulty; new cavities have formed around the edge Dark space at the top of the tooth on a dental xray - ✔crown may have been broken off Why is it important for pediatric dentists to make kids feel comfortable? - ✔To aid in lifelong dental care and oral health When should you brush your teeth? - ✔Morning, night and after meals (at least twice a day) What is fluoride and what is its dental purpose? - ✔Fluoride is a chemical substance that has been shown to protect against cavities. It can be applied on the surface of teeth, such as in toothpaste. It can also protect teeth when it is added to drinking water. How often should you have a dental check-up? - ✔Twice a year Can tooth decay be transmitted from one person to another? - ✔yes Where was the location of the first dental college in the world? - ✔Baltimore, Maryland When did the first synthetic (nylon) bristles appear on the market and what were they made of previously - ✔1938 - bristles of hogs, boars and other animals When was the first fully reclining dental chair introduced and how do you think it affected dentistry as a whole? - ✔1958 - better access to all teeth in the mouth procedures Dr. Greenspan put in place to prevent the transmission of disease in dental offices - ✔Dentists were required to wear gloves, face masks, and long blue laundered gowns to maintain a safe, disease-free environment. Describe the dental hygienist career - ✔Provide preventive and corrective dental care and promote good oral hygiene and dental health. Must be detail oriented and work well with your hands, and be willing to work with X Rays and be safety conscious. How do calcium deposits form on teeth? - ✔The calcium forms from saliva How does the tartar damage the teeth and other structures in the mouth? - ✔These deposits can accumulate at the base, called the neck, of each tooth and push into the gums, which can cause gum disease. If it isn't treated, this can cause inflammation of the gums, which can be painful. Eventually, because of the destruction and loss of bone support around the tooth, the tooth can become loose and can fall out. Name the types of tools used for dental hygiene - ✔universal, scaling, and curettage instruments. Each hygienist has preferred tools for different parts of the mouth, and different teeth. These different instruments have different designs, shapes, and angles, to get access to all spots of every tooth. What does a periodontist do? -

Why are wisdom teeth removed? - ✔They are not needed, they become impacted or there isn't enough room Describe oral and maxillofacial surgeon from its word parts - ✔Or/o=mouth, maxill/o = upper jaw bone; faci/o= face Define impacted - ✔Pushing into other teeth, cannot erupt, and have nowhere to go describe Dental implants - ✔made of high tech materials, including titanium, and they actually fuse into the jawbone, much like a real tooth. describe Dentures - ✔denture is a set of false teeth connected to a plastic unit that slips over the gums describe Bridge - ✔set of false teeth that are permanently installed across the gap by attaching them to healthy teeth on either side of the gap Describe the importance of mouth guards - ✔Can prevent the replacement of teeth because of sports injuries. teeth numbering - ✔ what does operation smile do - ✔raise money to offer children treatment for cleft lips