6 - Tooth selection for complete dentures Flashcards
What stage does tooth selection occur in?
Jaw registration
What affects anterior tooth selection?
- function
- appearance
- speech
What affects posterior tooth selection?
Oral function
What factors will influence the dentist when selecting teeth?
- previous dentures
- ageing
- facial skeleton
- skeletal class
- physiological pigmentation
What factors will influence the patent when selecting teeth?
- influence of others
- lifestyle, relationships and goals
- physiological factors ie tooth loss
- perception of ageing
- self-esteem
- smileorexia
What are materials used in artificial teeth?
- acrylic
- porcelain
- composite resin
Which shade guide is considered standard?
Vita
What is important when selecting shade?
- illumination
- patient preference
- age
- previous photographs
What are some modifications that can be made to dentures to change the appearance?
- imbrication
- diastema
- rotation
- straight
- natural
- recession
- false restorations
Where should the teeth be set in relationship to the papilla?
5.5mm anterior
What does an alma gauge measure?
Distance from anterior tooth setting to papilla
How should you deliver a tooth trial to a patient?
- give patient a mirror and space to take in their appearance
- if they don’t like anything, get them to specifically describe it
What can influence the selection of posterior teeth?
- ridge
- neuromuscular control
- if patient can get into RCP
Which teeth are removed if there is not enough length in the posterior region?
- premolar
- 2nd molar
What are the different types of posterior teeth?
- anatomical, cusped teeth (33 degrees)
- hybrid (12 degrees)
- non-anatomical, cuspless teeth (flat)
