Paedodontic Dental Anomalies

Question 1

what kind of dental anomalies can you get

Answer 1

number
size and shape
structure
eruption and exfoliation

Question 2

what is the most comm missing tooth

Answer 2

mandibular premolars

Question 3

what teeth are least likely to be missing

Answer 3

6s and upper 1s

Question 4

what conditions are associated with hypodontia

Answer 4

ectodermal dysplasia
down syndrome
cleft syndrome
Hurler’s syndrome
incontinentia pigmenti

Question 5

what problem can occur with hypodontia

Answer 5

over-eruption of lower canines can be a restorative problem when upper laterals are missing

Question 6

what is the dental management of hypodontia

Answer 6

diagnosis when child
removeable prosthesis
orthodontics
composite build ups
veneers
crowns, bridges, implants
ALWAYS PREVENTION

Question 7

what problems can occur with managing hypodontia

Answer 7

abnormal shape and form
spacing
submergence
deep overbite
reduced LFH

Question 8

what are the types of supernumerary

Answer 8

conical
tuberculate
supplemental
odontome

Question 9

what is the most common cause of delayed eruption of permanent incisors

Answer 9

supernumeraries

Question 10

what issues can we have with size and shape of teeth

Answer 10

microdont
macrodontia
double teeth
odontomes
taurodontism
dilaceration
accessory cusps

Question 11

what is dens in dente

Answer 11

tooth within a tooth
invaginations on a tooth which have their own pulp system

Question 12

how do you deal with dens in dente

Answer 12

seal all of the areas to stop bacterial ingress

Question 13

what root anomalies of structure can occur

Answer 13

short root
dentine dysplasias
accessory roots

Question 14

what are the enamel structural anomalies

Answer 14

amelogenesis imperfecta
environmental enamel hypoplasia
localised enamel hypoplasia

Question 15

what are the 4 types of amelogenesis imperfecta

Answer 15

hypoplastic
hypocalcified
hypomaturational
mixed

Question 16

what has gone wrong if someone has MIH

Answer 16

correct thickness (secretory phasse fine) but not mineralised enough (mineralisation phase had issue)

Question 17

what can cause localised hard tissue defects

Answer 17

trauma to primaries
caries then abscess of primary incisors

Question 18

what generalised issues cause hard tissue defects

Answer 18

fluorosis
MIH

Question 19

how do you treat fluorosis

Answer 19

microabrasion/bleaching later on

Question 20

what areas do you need to investigate for generalised environmental enamel defects

Answer 20

prenatal
neonatal
postnatal

Question 21

name a hereditary hard tissue defect

Answer 21

amelogenesis imperfecta

Question 22

how do you make your diagnosis of amelogenesis imperfecta

Answer 22

family history
affecting both dentitions
affecting all teeth
tooth size/structure/colour
radiographs

Question 23

what gene mutations are present with amelogenesis imperfecta

Answer 23

amelogenin
enamelin
kallikrein 4

Question 24

what is the hypoplastic amelogensis imperfecta

Answer 24

enamel crystals do not grow to correct length

Question 25

what is hypomineralised amelogenesis imperfecta

Answer 25

crystallites fail to grow in thickness and width

Question 26

what is hypomaturational amelogenesis imperfecta

Answer 26

enamel crystals grow incompletely in thickness or width but to normal length with incomplete mineralisation

Question 27

what are the problems that occur with amelogenesis imperfecta

Answer 27

sensitivity caries/acid susceptibility poor aesthetics poor oral hygiene delayed eruption anterior open bite

Question 28

what are the solutions to the problems which occur with amelogenesis imperfecta

Answer 28

preventive therapy composite veneers/wash fissure sealants metal onlays stainless steel crowns orthodontics

Question 29

why can orthodontics be a problem with amelogenesis imperfecta

Answer 29

there is not good enough enamel to bond to so the brackets can debond

Question 30

what systemic disorders are associated with amelogenesis imperfecta

Answer 30

epidermolysis bullosa incontinenti pigmenti downs syndrome prader willi porphyria tuberous sclerosis pseudohypoparathyroidism hurlers

Question 31

what are the anomalies of dentine structure

Answer 31

dentinogenesis imperfecta dentine dysplasia odotnotdysplasia systemic disturbance

Question 32

what is dentine dysplasia

Answer 32

normal crown but short roots and pulp obliteration

Question 33

what is odontodysplasia

Answer 33

localised arrest in tooth development, large pulp chamber, ghost teeth

Question 34

what are the 3 types of dentinogenesis imperfecta

Answer 34

1 - osteogenesis imperfecta 2 - autosomal dominant 3 - brandywine

Question 35

what is in the diagnosis for dentinogenesis imperfecta

Answer 35

appearance family history associated osteogenesis imperfecta both dentitions affected radiography - bulbous crown and obliterated pulps enamel loss

Question 36

what does dentinogenesis imperfecta look like

Answer 36

teeth appear amber

Question 37

what are the problems with dentinogenesis imperfecta

Answer 37

aesthetics caries/acid spontaneous abscesses

Question 38

what are the solutions to the problems of dentinogenesis imperfecta

Answer 38

prevention composite veneers overdentures removable prostheses SSC

Question 39

what hereditary dentine defects are limited to dentine only

Answer 39

dentinogenesis imperfecta type 2 dentine dysplasia type 1 and 2 fibrous dysplasia of dentine

Question 40

what are the dentine defects associated with general disorders

Answer 40

osteogenesis imperfecta ehlers-danlos syndrome brachio-skeletal genital syndrome rickets hypophosphatasia

Question 41

what is the treatment overview for structure defects

Answer 41

prevention pain control restore lost tissue harness growth

Question 42

what is the dental management for structure defects

Answer 42

continuous dental care management of growth and development removable prostheses interceptive orthodontics crowns and bridges

Question 43

what are the cementum anomalies

Answer 43

cleidocranial dysplasia hypohosphatasia

Question 44

why does premature eruption occur

Answer 44

high birth weight precocious puberty natal/neonatal teeth

Question 45

why does delayed eruption occur

Answer 45

preterm and low birth weight malnutrition associated general conditions gingival hyperplasia/overgrowth

Question 46

what conditions can cause delayed eruption

Answer 46

downs hypopthyroidism cleidocranial dysplasia

Question 47

what are the causes of premature exfoliation

Answer 47

trauma pulpotomy hypophosphatasia immunological deficiency chediak higashi syndrome histiocytosis X

Question 48

what causes delayed exfoliation

Answer 48

infraocclusion double primary teeth hypodontia ectopic permanent successors after trauma