How To Straighten Teeth: Five Ways To Correct Dental Crowding With Invisalign

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Dr Jing Liang Ooi

March 26th, 2019· 5 min read

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With so many people opting for clear aligners for tooth straightening throughout Singapore, it is evident that Invisalign has long been an effective and trusted solution for crowded teeth.

It's simple physics: crowded teeth require space to be created before they can be aligned. Of course, extraction is one method of creating space. But it can affect a person's facial profile.

A Human reader was wondering if extraction prior to Invisalign would result in a flat facial profile.

Dentist Dr Ooi Jing Liang shed light on five common ways in which tooth alignment is corrected -- including and besides extraction!

Invisalign is one of the most effective clear aligner options

dr ooi jing liangs answer to a reader question part 1

There is more than one clear aligner option to choose from in Singapore, but Invisalign has remained the most prominent so far.

There are various ways to correct tooth crowding and alignment

dr ooi jing liangs answer to a reader question part 2

Teeth alignment correction can be done in various ways. Expansion (widening the teeth sideways) and protrusion (pushing the front teeth forwards) are common methods to fix crowding.

Other methods of reducing crowding include interproximal reduction and distalisation

dr ooi jing liangs answer to a reader question part 3

Interproximal reduction involves gently filing the sides of the teeth to create space, while distalisation involves moving teeth backwards. These create space to eventually resolve the issue of dental crowding.

Finally, extraction is a possible method of resolving crowding

dr ooi jing liangs answer to a reader question part 4

Extraction (which involves removing one or more teeth to accommodate Invisalign or other clear aligner solutions) may be required in some circumstances. But it is only one of five ways in which crowding is resolved.

Extraction is determined by several factors and is not always needed

dr ooi jing liangs answer to a reader question part 5

Extraction is not usually performed unless considered necessary by your dentist. Even then, X-rays are used to ensure that your skeletal and tooth position are not compromised.

Full answer here.
Tooth extraction before clear aligner treatment may be needed in some cases of dental malocclusions.

Do note, however, that this very much depends on the individual condition, the root cause of the tooth misalignment, and how any tooth extraction would affect your overall facial profile from the front and side.

Have a thorough check by a qualified dentist to learn more about whether Invisalign or any other aligner system is right for you, and what preparatory work would be needed.

Would you like to ask any related health questions?

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I hope that you've found this guide useful, and perhaps gained more insight into the application process. Most of the admissions-related information (admin and logistics wise) can be found on the official NUS Faculty of Dentistry website.

To help yourself out, you should take note of what people look for when they look for a dentist.

This article was written by Dr Jing Liang Ooi and published on Wednesday, 25 January 2017. Human medically reviewed the article on Wednesday, 25 January 2017. The last update was made on Friday, 18 September 2020.

Disclaimer: Opinions belong to the author and not to the platform.

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