[BRACES EXPLAINED] Wires Pt.1 (NiTi Shape Memory)

Braces Explained
5 Aug 201805:21
EducationalLearning
32 Likes 10 Comments

TLDRIn this informative video, Dr. Greg discusses the differences between round and rectangular memory nickel titanium wires used in orthodontics. He explains that nickel titanium's shape memory property allows it to return to its original form even when bent, making it ideal for early treatment stages. Starting with flexible round wires to correct rotations and then transitioning to more rigid rectangular wires for precise root positioning, orthodontists can effectively align teeth. The video also touches on the use of stainless steel wires for detailing in later stages of treatment.

Takeaways
  • ๐Ÿ“Œ Nickel titanium is a popular orthodontic material known for its shape memory, allowing it to return to its original shape after being bent.
  • ๐Ÿ”ง Orthodontists initially use round nickel titanium wires due to their flexibility and ability to apply gentle, light forces to correct rotations and minor alignment issues.
  • ๐Ÿ“ Rectangular nickel titanium wires are introduced later in treatment to achieve more precise root positioning and further align teeth within the dental arch.
  • ๐Ÿฆท The transition from round to rectangular wires helps in getting the teeth noticeably straighter as they are more accurately tied into the braces, expressing the braces' force more effectively.
  • ๐Ÿ‘€ Visual examples in the script demonstrate the effectiveness of shape-memory wires in bringing teeth to their ideal positions from different perspectives (top view, front view, and cross-sectional view).
  • ๐Ÿ”„ The script explains that้•้’›่ฎฐๅฟ†ๅˆ้‡‘ wires come in various shapes, including round, square, and rectangular, each serving a specific purpose in the orthodontic treatment process.
  • ๐Ÿ”ฉ After the use of nickel titanium wires, orthodontists may move on to stainless steel wires, which do not have shape memory and maintain their bent shape, as detailed in a separate video.
  • ๐Ÿค” The script addresses a common question about the differences between round and rectangular nickel titanium wires and their respective roles in orthodontic treatment.
  • ๐ŸŽ“ Dr. Greg, the speaker, encourages viewers to ask questions and engage with the content, promoting an interactive learning environment.
  • ๐Ÿ“ˆ The video serves as an educational resource for individuals interested in understanding the mechanics of braces and the materials used in orthodontics.
Q & A

  • What are the two most popular types of wires used in orthodontics?

    -The two most popular types of wires used in orthodontics are nickel titanium and stainless steel.

  • What is unique about nickel titanium wires?

    -Nickel titanium wires have shape memory, which allows them to return to their original shape even after being bent.

  • Why are round nickel titanium wires used at the beginning of orthodontic treatment?

    -Round nickel titanium wires are used at the beginning of treatment because they are more flexible and can be easily tied into all the teeth, providing a light gentle force to correct rotations.

  • How does a rectangular nickel titanium wire differ from a round one?

    -A rectangular nickel titanium wire is more rigid than a round one and provides more accurate root positioning, helping to align teeth more precisely.

  • What happens when a rectangular nickel titanium wire is bent?

    -When a rectangular nickel titanium wire is bent, it still springs back to its original shape due to its shape memory property.

  • What is the role of stainless steel wires in orthodontic treatment?

    -Stainless steel wires are used in the later stages of treatment for detailing and fine-tuning the position of teeth, as they do not have shape memory and retain their bent shape.

  • How do orthodontists transition from nickel titanium wires to stainless steel wires during treatment?

    -Orthodontists start with thin round nickel titanium wires and gradually move to larger rectangular nickel titanium wires. Once the teeth are relatively lined up, they switch to stainless steel wires for further detailing.

  • What is the primary function of the round nickel titanium wire in the early stages of treatment?

    -The primary function of the round nickel titanium wire is to correct rotations and help teeth move into a better alignment without engaging all the corners, which allows for more room for movement.

  • What visual difference can be observed between round and rectangular nickel titanium wires?

    -The round nickel titanium wire is lighter in color and appears more flexible, while the rectangular one is darker and appears more rigid.

  • How does the shape of the wire affect the way it fits into the bracket?

    -Round wires have more play and are not as tightly tied into the bracket, while rectangular wires are more accurately tied in, resulting in more effective tooth movement.

  • What is the significance of the cross-sectional view in assessing tooth position?

    -The cross-sectional view allows for the assessment of the roots' position and accuracy, which might not be evident from the top or side view, indicating if the teeth are truly aligned and in their ideal position within the arch form.

Outlines
00:00
๐Ÿฆท Introduction to Orthodontic Wires

This paragraph introduces the topic of orthodontic wires, specifically focusing on the differences between round and rectangular shape memory nickel titanium wires with wires. Dr. Greg explains the use of these wires in orthodontic treatments, their shape memory properties, and their role in early stages of treatment. He discusses the flexibility and gentle force of round wires in correcting rotations and the transition to rectangular wires for more accurate root positioning. The paragraph also touches on the use of stainless steel wires for detailing in later stages of treatment.

05:01
๐ŸŽฅ Demonstration of Wire Shape and Function

In this paragraph, Dr. Greg provides a visual demonstration of round and rectangular nickel titanium wires, highlighting their shape memory characteristics. He explains how the round wire's cross-section and flexibility allow for initial alignment and correction of rotations, while the rectangular wire's rigidity and precise fit contribute to more accurate tooth positioning. The paragraph also includes examples of how these wires work in real orthodontic cases, illustrating the transition from initial rotations to ideal arch form, and emphasizes the importance of root positioning for achieving a perfect smile.

Mindmap
Keywords
๐Ÿ’กOrthodontics
Orthodontics is a dental specialty that focuses on the diagnosis, prevention, and treatment of dental and facial irregularities, such as malpositioned teeth and jaws. In the video, orthodontics is the field that Dr. Greg is discussing, specifically addressing the use of different types of wires in treatment.
๐Ÿ’กNickel Titanium
Nickel titanium, also known as NiTi, is a type of metal alloy known for its shape memory and superelasticity properties. In orthodontics, it is used to create wires for braces that can apply gentle, consistent pressure to teeth for alignment. The script explains that nickel titanium wires are used early in treatment due to their flexibility and ability to spring back to their original shape after being bent.
๐Ÿ’กShape Memory
Shape memory is a characteristic of certain materials, like nickel titanium, which allows them to return to their original shape after being deformed when subjected to a certain temperature or force. In the context of the video, this property is crucial for orthodontic wires, as it enables them to maintain their form and effectively move teeth into the desired position.
๐Ÿ’กRound Wires
Round wires are a type of orthodontic wire that are shaped like a circle. They are typically used at the beginning of treatment because of their flexibility and ability to apply a light force to the teeth, which is beneficial for initial alignment and correcting rotations.
๐Ÿ’กRectangular Wires
Rectangular wires are orthodontic wires with a square or rectangular cross-section. They are used later in treatment to provide more precise root positioning and to make finer adjustments to the teeth's alignment. These wires are stiffer and tied more accurately to the braces, resulting in more noticeable straightening of the teeth.
๐Ÿ’กStainless Steel Wires
Stainless steel wires are another type of orthodontic wire that does not have shape memory properties. Unlike nickel titanium wires, when stainless steel wires are bent, they maintain their new shape, which is useful for the final stages of orthodontic treatment for detailed adjustments.
๐Ÿ’กRoot Positioning
Root positioning refers to the process of aligning the roots of the teeth in addition to the visible crowns. This is an important aspect of orthodontic treatment that ensures not only the teeth are straight from the front view but also that the roots are properly aligned for a healthy and stable bite.
๐Ÿ’กTooth Rotations
Tooth rotations occur when the tooth is twisted or rotated out of its normal position in the dental arch. Orthodontic treatment can correct rotations by applying targeted pressure to realign the tooth with the rest of the teeth.
๐Ÿ’กBraces
Braces are orthodontic devices, usually made of brackets and wires, that are attached to the teeth to correct dental misalignment. They work by applying continuous pressure to gradually move the teeth into the desired position.
๐Ÿ’กTreatment Progression
Treatment progression refers to the sequence of stages that an orthodontic patient goes through during their treatment. It typically starts with simpler alignments and moves towards more complex corrections, using different types of orthodontic appliances and wires to achieve the desired results.
Highlights

Dr. Greg discusses the differences between round and rectangular shape memory nickel titanium wires with wires, a topic of high interest to his audience.

Orthodontics utilizes various types of wires, with nickel titanium and stainless steel being the most popular.

Nickel titanium's unique shape memory property allows it to return to its original shape even after being bent, a discovery originally intended for Space Studies.

The round wire is used early in treatment due to its flexibility and ability to gently correct rotations and minor alignment issues.

Rectangular wires are introduced later for more precise root positioning and are tied more accurately, leading to noticeable straightening of teeth.

The round nickel titanium wire has a round cross-section and is more forgiving, while the rectangular one is more rigid and offers better control.

Despite its dark appearance, the rectangular nickel titanium wire's rigidity allows for better alignment of teeth.

The video provides a visual demonstration of the shape memory property of nickel titanium wires, showcasing their ability to spring back to shape after bending.

Dr. Greg explains how the round wire's gentle force can correct rotations and minor misalignments, setting the stage for more detailed work later.

The transition from round to rectangular wires is demonstrated with patient examples, showing the correction of rotations and ideal positioning of teeth in the arch form.

The importance of root positioning accuracy is emphasized, with the rectangular shape memory wire playing a crucial role in achieving this.

After teeth are relatively lined up with nickel titanium wires, the treatment progresses to using stainless steel wires for further detailing.

Stainless steel wires do not have shape-memory and retain their bent shape, as explained in a previous video by Dr. Greg.

The video serves as an educational resource for patients and professionals alike, detailing the progression of orthodontic treatment and the role of different wire types.

Dr. Greg encourages viewers to subscribe for more content and reach out with questions, fostering engagement and community.

The video concludes with Dr. Greg's signature sign-off, reinforcing his brand and creating a familiar experience for viewers.

Transcripts

Browse More Related Video

Braces Wire Tightening - Why & How Your Orthodontist Changes Your Braces Wires

Phases of Tx & Wire Sequence

Endodontics | Root Canal Treatment | INBDE, ADAT

Resistivity and Resistance Formula, Conductivity, Temperature Coefficient, Physics Problems

Ampโˆšยฎre's Law: Crash Course Physics #33

Teeth Cleaning with Braces!

Rate This

5.0 / 5 (0 votes)

Thanks for rating:

Related Tags
Orthodontic TreatmentNickel Titanium WiresShape Memory AlloyDental AlignmentOrthodontic Educationbracestreatment progressionstainless steel wirestooth rotationroot positioning