Week 1 - Developmental Disorders Flashcards

1
Q

2 types of Congenital Disorders

A
  • Inherited disorder

- Developmental disorder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Inherited Disorder

A

Caused by an abnormality in genetic make up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Developmental Disorder

A

Failure during process of cell division and differentiation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Ankyloglossia

A
  • Soft Tissue Abnormality
  • Extensive adhesion of tongue to the floor of the mouth
  • Treatment = frenectomy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Commisural Lip Pits

A
  • Soft Tissue Abnormality
  • Epithelium lined ‘pits’ at the corner of the mouth
  • Treatment: none, not harmful
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Lingual Thyroid

A
  • Soft Tissue Abnormality
  • Small mass of thyroid tissue on the tongue.
  • From thyroid not migrating properly during development
  • Treatment: removal if obstructing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Cyst

A
  • Abnormal fluid filled epithelium lined sac or cavity

- Treatment: usually removal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Developmental Cyst Properties

A
  • can cause expansion of bone
  • can be intraosseous or extraosseous
  • appear as well circumscribed radiolucenies
  • unilocular or multilocular
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A cyst forming around the crown of an unerupted tooth such as the 3rd molar

A

Dentigerous Cyst (aka follicular cyst)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A cyst that creates a ‘balloon’ on the gingiva/soft tissue.

A

Eruption Cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

A cyst that develops in place of a tooth, usually a 3rd molar

A

Primordial Cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A cyst seen in the mand 3rd molar region that can require curettage to treat as it has a high recurrence rate

A
Odontogenic Keratocyst (OKC)
(aka KOT)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A cyst that is lined by odontogenic epithelium and features ghost cells microscopically

A

Calcifying Odontogenic Cyst (COC)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A cyst seen most often in the mand cuspid/premolar region on the lateral surface of the root. Most often in males.

A

Intraosseous: Lateral Periodontal Cyst
Extraosseous: Gingival Cyst (seen clinically)
Multilocular: Botryoid Odontogenic cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Anodontia

A

Developmental lack of ALL teeth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hypodontia

A

Lack of one or more teeth

- tends to be familial or component of a syndrome

17
Q

Most common missing deciduous tooth

A

Mand incisor

18
Q

Most common missing adult teeth

A

3rd molars
Max laterals,
Mand 2nd premolar

19
Q

Supernumerary Teeth

A

Extra Teeth resulting from formation of extra tooth buds
Most often seen in the max
Multiple: Gardner syndrome

20
Q

Supernumerary tooth located between the max incisors

A

Mesiodens

21
Q

Supernumerary tooth located distal to the 3rd molar

A

Distomolar

22
Q

Microdontia

A
  • One or more teeth are smaller than normal
  • Single tooth more common
  • Max laterals and max 3rd molars
23
Q

Generalized relative micro/macrodontia

A

Normal teeth appearing small in a large jaw, or small in a large jaw

24
Q

Macrodontia

A

One or more teeth larger than usual

25
Q

What is the most common oral cyst?

A

Radicular cyst

*NOT a developmental cyst, it is from trauma

26
Q

A cyst located within the nasopalatine canal or incisive papilla, sometimes it is heart shaped

A

Nasopalatine Canal Cyst (non-odontogenic)

27
Q

A cyst located in the MIDLINE of the hard palate

A

Median Palatine Cyst (non-odontogenic)

28
Q

A cyst located between the roots of the max lateral incisor and canine - nowhere else!

A

Globulomaxillary Cyst (non-odontogenic)

29
Q

A cyst located in the midline of the mandible, below the apices of the mand incisors

A

Median Mandibular Cyst (non-odontogenic)

30
Q

A soft tissue cyst that causes a swelling in the mucobuccal fold/floor of the nose

A

Nasolabial Cyst (non-odontogenic)

31
Q

A cyst found in the major salivary glands, on the floor of the mouth

A

Branchial Cleft Cyst (non-odontogenic)

32
Q

A raised nodule on the skin of the face or neck

A

Epidermal Cyst (non-odontogenic)

33
Q

A cyst often present at birth, on the floor of the mouth. May feel doughy.

A

Dermoid Cyst (non-odontogenic)

34
Q

A cyst that forms along the tract of the thyroid

A

Thyroglossal Tract Cyst (non-odontogenic)

35
Q

What makes a pseudocyst different to other cysts?

A

There are NOT epithelium lined

36
Q

An anatomic depression on the posterior lingual area of the man, inferior to the mand canal

A

Static Bone Cyst (pseudocyst)

37
Q

Pathologic cavity in bone that is not epithelium lined, aka S.H.I.T. Scallops around the teeth.

A

Simple Bone Cyst (pseudocyst)

38
Q

Blood filled spaces surrounded by cells and fibrous tissue. Have a honeycomb appearance.

A

Aneurysmal Bone Cyst (pseudocyst)