Virtual Trivia Night

A 28 year old female patient came in with the complaint of discolored upper front tooth.

   Radiographically, the pulp chamber and the root canal space is obliterated.

   There is no evidence of caries and periodontal ligament appears normal.

   External bleaching procedure was carried out and has not been successful.

The best approach to address the discolored tooth in this case would be

• All ceramic crown

• Ceramic veneer

• Laminate veneer

Which among these features is considered undesirable when preparing the tooth to receive the indirect restoration pictured?

• Divergent walls

• Rounded internal line angles

• Undercuts

Answer explanation

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Incisal feather edge preparation for veneers is indicated when the tooth substrate has desired value without chromatic alteration in the incisal region.

• True

• False

Which of the following is false with regards to the indirect restoration depicted in the picture?

• It is a reversible procedure

• Involves minimal tooth preparation

• Average longevity is more than the average longevity of conventional bridge

• Success rate when done in the anterior region is better than posterior region

In a window preparation for veneer case, the incisal edge is ______ in length.

• Reduced

• Untouched

Answer explanation

When do we recommend porcelain veneers over composite veneers for patients? Are porcelain veneers consistently superior to composite veneers?

All of these questions and more will be answered by Dr Stephen Dsouza, BDS, MSc (Aesthetic Dentistry), UK in his upcoming webinar with Smile Mastery!

📅 23 Nov 2023

⏰ 8.30pm Malaysia Time

📍 Your device, anywhere on the planet!

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To register, head to

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Identify the two cases below that are not indicated for a veneerlay

• 
• 
• 
• 

Group function occlusion is referred to as

• Posterior teeth on both sides make contact in lateral excursion

• Teeth on working side make contact in lateral excursion

• Only the canine and lateral incisors make contact in lateral excursion

Identify the ferrule

(a)  

Answer explanation

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Fracture in all ceramic crown may be caused by

I. Inadequate ceramic thickness

II. Presence of sharp line angles in tooth preparation

III. Excessive occlusal load

IV. Use of inappropriate luting material

• I,II and III

• II and III

• I,II and IV

• All of the above

What is the purpose of bevelling the area shown above during crown preparation of a posterior tooth?

• Retention and resistance

• Preservation of tooth structure

• Marginal integrity

• Structural durability