summary of key stuff

Question 1

Three domains when restoring anterior teeth

Answer 1

Question 2

Emergence profile

Answer 2

The emergence profile really relates to the natural contour of the tooth (its shape) we look at the emergence profile as the changes in angulation of a tooth as it “emerges” from the gingiva, moving towards the incisal edge. The emergence profile must be considered three dimensionally and our restorations must be carefully plan to respect this.

Question 3

Problems: over contouring of mesial composite on central incisor

Answer 3

Diastema

Question 4

Problems: under contouring of mesial composite on central incisor

Answer 4

overhang

Question 5

How would you describe something as being out of line?

Answer 5

not coincident

Question 6

Interpupillary line

Answer 6

line which the eyes sit on

Question 7

Occlusal cant

Answer 7

Question 8

Smile line

Answer 8

The curved line to which the bottom of the teeth sit

Question 9

Gingival zenith

Answer 9

the most apical aspect of free gingival margin.

Question 10

What is highlighted in red?

Answer 10

Lobes: the central incisor has therelobes, the middle lobe beingthe largest, tends to bedepressed and leastprominent

Question 11

What is highlighted in blue?

Answer 11

Developmental grooves: divide the lobes and runparallel to the long axis ofthe tooth

Question 12

What is shown in white?

Answer 12

Transitional Line angles:

the central and lateral incisors have a mesial and distal transitional line angle which are similar to marginalridges in posterior teeth.

In between transitional line angles, the teeth tend to be flat and at the transitional line angles the tooth curves round and drops into the embrasures.

Question 13

When should you do shade selection for a composite restoration?

Answer 13

Do this at the beginning, tooth must be wet and in natural light.

Question 14

Two ways to do shade selection

Answer 14

1. Vita shade guide
2. Composite buttons

Question 15

Hue

Answer 15

Hugh grant liked Bridget jones = “B”asic colour

A, B, C, D

Question 16

Chroma

Answer 16

Chromatica by lady gaga = she’s INTENSE.

= intensity of colour (A1, A2, A3, A4)

(purity/intensity/freedom from white or gray)

Question 17

Value

Answer 17

Brightness/lightness of the restoration (high, medium, low)

Question 18

Where should you take the hue from?

Answer 18

Shade tab to cervical area of tooth to be restored (or canine)

Question 19

Where should you take the chroma from?

Answer 19

Take the shade of the cervical, middle and incisal third of the tooth.

Question 20

What is the golden proportion?

Answer 20

Rellationship between size of lateral vs central incisors

0.618

Question 21

What is PTFE tape used for in dentistry?

Answer 21

Teflon tape is a great aid when doing direct veneer bonding on misaligned and misshapen teeth because it allows the dentist to visualize the whole operative field while being simultaneously focused on one tooth at a time.

Question 22

Retraction cord uses?

Answer 22

Allows clear establishment of peripheral margins and provide haemostasis.