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Duration: 1 hour, 53 minutes, 7 seconds

Author: Dr. Brian P. LeSage

The Importance of Adhesive Dentistry in Restorative Dentistry

Welcome to the live web broadcast on adhesive dentistry. In this lecture, we will delve into the fascinating world of adhesive dentistry and explore how to achieve successful bonding of white restorations to natural teeth.

Understanding Smile Design and Aesthetic Issues

Before we dive into the topic of adhesive dentistry, let’s briefly recap the concepts discussed in the previous lecture. The speaker covered various aspects of smile design, emphasizing the importance of addressing aesthetic issues and effectively planning dental cases. Achieving a harmonious smile involves careful consideration of factors such as tooth shape, color, and alignment.

Challenges with Posterior Composites

A case that the speaker brings to our attention is that of a patient who experienced sensitivity after having posterior composites placed by another dentist. This case highlights the challenges faced in adhesive dentistry, particularly when dealing with restorations on the posterior teeth. Sensitivity can occur when the bonding agents fail to create a proper seal, allowing bacteria and moisture to penetrate the restoration.

The Science Behind Adhesive Dentistry

Now, let’s delve into the fascinating world of adhesive dentistry from a material science standpoint. To achieve successful bonding, it is crucial to understand the interactions between the dental materials and the tooth structure.

Enamel Bonding

Enamel bonding is relatively straightforward due to the high mineral content and regular crystalline structure of enamel. The speaker will explain the different adhesive systems available, such as total-etch and self-etch systems, and their advantages and limitations.

Dentin Bonding

Bonding to dentin presents more challenges due to its complex structure and higher organic content. The lecture will explore the importance of removing the smear layer and using dentin bonding agents to achieve strong and durable bonds.

Understanding Adhesive Failures

Despite advancements in adhesive dentistry, failure can still occur. The speaker will discuss the common causes of adhesive failures, including contamination, inadequate isolation, and improper technique. Understanding these factors can help avoid potential pitfalls and ensure long-lasting restorations.

Techniques for Successful Bonding

In addition to the material science aspect, the speaker will also cover the essential techniques required for successful adhesive dentistry.

Proper Isolation and Moisture Control

Achieving a clean and dry operating field is crucial for successful bonding. The lecturer will explain techniques for isolation and moisture control, such as rubber dam application and effective suction.

Bonding Sequence

The speaker will guide us through the step-by-step bonding sequence, including adhesive application, light curing, and restoration placement. Understanding the correct sequence ensures optimal bonding and reduces the risk of adhesive failures.

Postoperative Care

Finally, the lecture will conclude with essential postoperative care instructions to ensure the longevity of the restorations. Maintaining good oral hygiene and regular dental check-ups play a crucial role in preserving the integrity of adhesive restorations.


Adhesive dentistry is a vital aspect of restorative dentistry, enabling us to create aesthetically pleasing and long-lasting restorations. Understanding the material science behind bonding and implementing proper techniques can significantly improve the success rate of adhesive restorations.

Frequently Asked Questions

1. Can adhesive dentistry be used for all types of restorations?

Adhesive dentistry can be utilized for various types of restorations, including composite fillings, porcelain veneers, and porcelain crowns.

2. How long do adhesive restorations typically last?

The longevity of adhesive restorations depends on various factors, such as oral hygiene, biting forces, and the skill of the dentist. On average, they can last anywhere from 5 to 15 years.

3. Is adhesive dentistry a painful procedure?

No, adhesive dentistry is generally not painful. Local anesthesia is used to ensure a comfortable experience, and advancements in dental materials have reduced postoperative sensitivity.

4. Can I undergo adhesive dentistry if I have dental anxiety?

Yes, adhesive dentistry can be performed on patients with dental anxiety. Dentists are trained to provide a comfortable environment and may offer sedation options for anxious patients.

5. How can I maintain adhesive restorations?

To maintain adhesive restorations, it is essential to practice good oral hygiene, including regular brushing, flossing, and using antimicrobial mouthwash. Additionally, scheduling routine dental check-ups is crucial for monitoring the integrity of the restorations.

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