lenka.roubalikova@tiscali.cz 1
Prosthetics I.
Rehabilitation of the
masticatory apparatus
Function of dentition
Food admission Trituration (comminution)
of food
Fonation
Aesthetics - psychology
lroubalikova@gmail.com 2
Consequence of not treated
dentition – malfunction of dentition
Insufficient comminution of food – digestive
disorders – irritation, diseases of the digestion
apparatus.
Disorders of fonation
Alteration external appearance (teeth support
soft tissues, keep intermaxillary relations)
Psychological aspect of lost teeth (sign of health,
good social position,self-realization)
lenka.roubalikova@tiscali.cz 3
lenka.roubalikova@tiscali.cz 4
Prothesis (denture)
Rehabilitation of:
➢Function
➢Comfort
➢Aesthetics
➢Fonation
lenka.roubalikova@tiscali.cz 5
Damaged teeth
– reconstruction of the crown
Missing teeth
- appropriate prothesis (denture)
lenka.roubalikova@tiscali.cz 6
Prothesis
Individually made
Diferences
➢in the type of defect, extent and location
➢in the size, shape and position of teeth
➢in the quality of hard and soft tissues of
the oral cavity
➢in intermaxillary relations
lenka.roubalikova@tiscali.cz 7
lenka.roubalikova@tiscali.cz 8
lenka.roubalikova@tiscali.cz 9
Fixed dentures
Material – metal alloy, ceramics, composit
materials, other resins
Cemented in/on the teeth – abutment
teeth, pilots.
lenka.roubalikova@tiscali.cz 10
Removable dentures
Partial
Complete (full)
Patients can remove and clean
lenka.roubalikova@tiscali.cz 11
Fixed dentures
Cemented on the teeth – crowns, bridges,
inlays
lenka.roubalikova@tiscali.cz 12
Removable dentures
Partial
Complete (full)
lenka.roubalikova@tiscali.cz 13
Planning of the denture
Complex examination
1. Extent and location of the defect
2. Damage of the involved teeth (caries, fillings atc.)
3. Periodontium
4. Shape, size, position of teeth, relationhip to the neighbours
5. Occlusion, articulation – relationship to the antagonists
6. Quality of the alveolar process
7. The level of oral hygiene
8. X-ray examination – level of alveolar bone,periapical pathology,
9. Study impressioons – study models
10. Detail evaluation of the abutment teeth (pilots) – most impoprtant
teeth –canines, premolars
lenka.roubalikova@tiscali.cz 14
Classification of defects
Voldřich
I. Class
One or more teeth are missing
Small gaps – 1 – 2 teeth
Big gaps 3 – 4 teeth at most. This big gaps
must be demarcated by pilot of the best
quality. (canine, 1st or second molars –
pilots of 1st class or their equivalents)
lenka.roubalikova@tiscali.cz 15
Classification of defects
Voldřich
II. Class
Reduced dental arch, thenlast tooth is the
second molar.
With gaps
Without gaps
Bilateral
Unilateral
lenka.roubalikova@tiscali.cz 16
Classification of defects
Voldřich
III. Class
Individual teeth or small groups of teeth
lenka.roubalikova@tiscali.cz 17
Classification of defects
Voldřich
IV. Class
Edentulous dental arch
lenka.roubalikova@tiscali.cz 18
Classification of pilots (abutment
teeth)
Pilots I. class
Canines
Molars (1st, 2nd)
lenka.roubalikova@tiscali.cz 19
Classification of pilots (abutment
teeth)
Pilots II. st class
Incisors - maxillary incosors, pemolars
lenka.roubalikova@tiscali.cz 20
Classification of pilots (abutment
teeth)
Pilots III. class
Mandibular incisors, third molars, all teethe
with bad biological factor
lenka.roubalikova@tiscali.cz 21
Biological factor
➢Caries
➢Pulp vitality
➢Level of the endodontic treatment
➢Level of the resorption of the alveolar bone
➢Periodontium
➢Relationship to antagonists
➢Relationship to neihgbour teeth
lenka.roubalikova@tiscali.cz 22
Way of the transfer of masticatory
forces
➢Tooth
➢Tooth and oral mucosa
➢Oral mucosa