Common Paradental Lesions

A periapical abscess implies that the inflammation is

• Chronic

• Acute

• A cyst

• Epithelial

What features suggest a true periapical cyst?

• Distinctly corticated borders

• Round and sack-like in shape (hydraulic)

• Larger than 2 cm

• All of the above

When mucosal thickening is seen in the sinus it always indicates dental disease.

• True

• False

What is the appropriate management for an antral pseudocyst?

• Apicoectomy surgery

• Surgical exploration through the sinus floor

• Refer to ENT

• Make note of it and monitor

What is a feature of condensing osteitis?

• Lamina dura intact and regular

• Small radiolucency at the apex of the tooth surrounded by radiopacity

• Tooth tests non-vital

• Radiopacity surrounded by radiolucency

Your patient is a 43-year-old female. Radiographs reveal well-defined, round radiolucencies at the apices of all mandibular incisors. The teeth reveal no caries or fracture and they test vital and are asymptomatic. What is the likely diagnosis?

• Periapical inflammatory lesions

• Periapical cysts

• Condensing osteitis

• Periapical cemento-osseous dysplasia

What is a feature of hypercementosis?

• Periapical radiolucency surrounded by opacity

• Periapical radiopacity surrounded by wide radiolucency

• Radiopacity seemingly attached to root with uniform PDL space surrounding it

• Radiopacity separated from root by uniform PDL space

What distinguishes cementoblastoma from hypercementosis?

• Commonly painful

• Usually very round

• Wide radiolucent rim around the opacity

• All of the above

Are you able to identify external and internal resorption?

• Yes

• No, so I'll go back and review the last portion of the video