X-rays
Oral Anatomy
Mystery~
X-rays pt 2
Oral Anatomy pt 2
100

When evaluating the big picture of the jaws, including all the teeth, TMJs, and surrounding structures, dentists take this type of X-ray.
 

Panoramic X-ray

100

The most important nerve in dentistry

Cranial nerve V - Trigeminal Nerve

100

What do you call someone who grinds their teeth a lot?

A bruxer (bruxism)

100

This is why dentin appears darker on an X-ray compared to enamel

It is less dense

100

The area from the CEJ to the cusp tips is known as _______________.

The clinical crown

200

The dense white areas on a dental X-ray are described using this term.

What is radiopaque

200

What does TMD stand for?

temporomandibular disorder

200

This elastic, irreversible material is commonly used to take preliminary dental impressions.

What is alginate

200

This X-ray type shows the crowns and interproximal bone levels.

What are bitewings


200

In radiographs, pathology like abscesses is often found around this part of the root-the very tip.

The apex

300

This type of X-ray shows the apex of the tooth and surrounding bone.

What is a periapical radiograph?

300

The primary dentition contains this many teeth.

20

300

In the FDI system, tooth 48 refers to this specific tooth.

What is the mandibular right third molar

300

When taking an X-ray, the tube head should be aligned in this relationship to the ring to avoid cutting the image.

What is making the tube head parallel to the ring

300

Tooth #35 (FDI system) is a

Mandibular 2nd premolar

400

These color-coded holders help position the sensor for accurate radiographs-yellow for posterior shots and blue for anterior.

What are XCP rings (positioning devices)

400

Pulp is comprised of what? (2)

Nerves and blood vessels

400

Dr. Lee prefers this term instead of “night guard” when referring to an appliance used to manage bruxism or stabilize the bite.

What are occlusal splint, splint, or bite splint

400

In radiographic caries classification, an R3 lesion extends into this part of the tooth.

The dentin

400

Gingivitis affects only the gingiva. Once bone and periodontal ligaments are involved, it progresses into this disease.

Periodontitis

500

The first composite resing fiillings showed up how on the x-ray?

as radiolucent

500

The surface of anterior teeth facing the lips.

Labial surface

500

When examining the gingiva, dentists assess contour, texture, and consistency. What is the fourth characteristic of the gingiva they must evaluate?

Colour

500

What is the radiolucent (dark) area that appears on dental radiographs at the neck of a tooth, caused by the X-rays overpenetrating the thinner cervical areas of the tooth

Cervical burnout

500

After endodontic therapy, this restoration is placed to provide retention and rebuild lost coronal structure so a crown can be properly supported.

A post and core