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Spear Digest

Why Is It So Difficult to Match a Single Central Incisor?
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Why Is It So Difficult to Match a Single Central Incisor?

Dr. Bob Winter discusses the difficulties surrounding esthetics and the restoration of maxillary central incisors.

| 4 years ago
Best Practices for Re-establishing Occlusal Anatomy
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Best Practices for Re-establishing Occlusal Anatomy

Dr. Bob Winter shares tips and best practices for re-establishing occlusal anatomy after intra-oral occlusal adjustment.

| 4 years ago
10 Factors That Will Influence Anterior Preparation Design, Part II
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10 Factors That Will Influence Anterior Preparation Design, Part II

In Part 1 of this article, the five factors that have the greatest influence on anterior preparation design were discussed. It is now time to review...

| 5 years ago
Factors That Influence Anterior Preparation Design - Part I
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Factors That Influence Anterior Preparation Design - Part I

Since treatment planning is the key to determining the proper preparation design, you must first establish what problems exist.  This means comprehensively...

| 5 years ago
Monolithic Zirconia Restorations Can Fracture!
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Monolithic Zirconia Restorations Can Fracture!

Even though monolithic zirconia restorations are very hard with a flexural strength ranging from 900 to 1200 mpa, that doesn't mean that...

| 5 years ago
Ceramic Restorations: Predictable Adjusting and Polishing
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Ceramic Restorations: Predictable Adjusting and Polishing

Learn the steps for adjusting and polishing ceramic restorations.

| 5 years ago
Ceramic Restorations: Why Do They Break?
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Ceramic Restorations: Why Do They Break?

All ceramic restorations can break, even IPS e.max lithium disilicate, which has a flexural strength of 400 mPa. The two most common reasons for ceramic...

| 5 years ago
The Infamous Single Central
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The Infamous Single Central

Fabricating an indirect restoration for a single maxillary central incisor is the most challenging and frustrating treatment the dental team can provide...

| 6 years ago
Can You Use a Diagnostic Wax-Up When Phasing Treatment?
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Can You Use a Diagnostic Wax-Up When Phasing Treatment?

Here are some steps to using a diagnostic wax-up when phasing dental treatment.

| 6 years ago
Occlusal Reduction for Indirect Restorations: Is 1.5 mm Enough?
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Occlusal Reduction for Indirect Restorations: Is 1.5 mm Enough?

Are the posterior indirect restorations you receive back from your laboratory, relatively flat compared to your expectations? Is it your laboratory's...

| 6 years ago
Fabricating Surgical Guides for Esthetic Crown-Lengthening Procedures
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Fabricating Surgical Guides for Esthetic Crown-Lengthening Procedures

There are two types of surgical guides I recommend for surgical crown-lengthening procedures: an overlay guide or a copyplast stent. An overlay guide...

| 6 years ago
When You Torque the Implant Abutment Screw
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When You Torque the Implant Abutment Screw

Have you ever been concerned that when you torque the implant abutment screw at the time of final abutment placement, the implant itself may rotate and...

| 6 years ago