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Paediatric Dentistry & Orthodontics Notes - Dental Surgery BDS £5.49   Add to cart
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Lecture notes

Paediatric Dentistry & Orthodontics Notes - Dental Surgery BDS
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A complete set of notes on all paediatric dentistry & orthodontics teaching from the Dental Surgery BDS course at Cardiff University. All 5 years are covered.

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  • March 24, 2023
  • 3
  • 2022/2023
  • Lecture notes
  • Several
  • All classes

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Hard Tissue Pathology

Dentinogenesis Imperfecta (DI)
● Dental: amber/grey/purple colour, opalescence, pulpal obliteration, bulbous crowns, short narrow
roots, enamel lost after eruption (exposing dentine to rapid wear), often affects both dentitions
● May be assoc w OI (blue sclera, hx of #)
● Teeth affected in order of eruption
● Ds subject to most occlusal wear - most affected
● Mgmt: preservation of vertical dimension, PMC in primary dentition, prevention & support,
aesthetic management (composites)

Discoloured Teeth
Intrinsic Causes
● Local: trauma, infection, radiation, caries, TSL
● Systemic: metabolic disorders, systemic upset pre/peri/post natal, recurrent infections, childhood
oncology, Vit D deficiency
● Environmental: tetracycline staining, fluorosis
● Developmental: AI, DI, dentine dysplasia, MIH, chronological hypoplasia

Extrinsic Causes
● Non-metallic: CHX, chromogenic bacteria (green/brown), smoking, tea/coffee, caries (white)
● Metallic: iron (black), stannous fluoride

Amelogenesis Imperfecta (AI)
● Defect of enamel, all teeth & both dentitions affected, family hx
● Types: hypoplastic, hypomaturation, hypocalcified

MIH
● Demarcated opacities specific to at least 1 permanent molar +/- incisors
● Usually cream/white, don’t affect whole dentition

Fluorosis
● Permanent dentition only, hx of fluoride intake, symmetrical distribution
● Clinically identical to hypomaturation AI

Managing Discoloured Teeth
● Microabrasion
● Localised composites
● Bleaching

Bleaching
● Vital bleaching: external
● Non-vital bleaching: internal (walking bleach) / inside out
● Agent = 6% hydrogen peroxide equiv to 16% carbamide peroxide

Legislation
● Can use products w conc up to 6% hydrogen peroxide in pts over 18
● GDC 2014: 0.1-6% can’t be used in under 18s, unless for purpose of treating/prevention disease
● Indemnity: some providers don’t cover bleaching in under 18s

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