NH Orthodontics Accessibility Statement

NH Orthodontics is committed to facilitating the accessibility and usability of its website, https://www.nhorthodontics.com/, for everyone. NH Orthodontics aims to comply with all applicable standards, including the World Wide Web Consortium’s Web Content Accessibility Guidelines 2.0 up to Level AA (WCAG 2.0 AA). NH Orthodontics is proud of the efforts that we have completed and that are in-progress to ensure that our website is accessible to everyone.

If you experience any difficulty in accessing any part of this website, please feel free to call us at (603) 623-8003 or info@nhorthodontics.com at and we will work with you to provide the information or service you seek through an alternate communication method that is accessible for you consistent with applicable law (for example, through telephone support).


Types of Appliances

Here at Mehan & Johnson Orthodontics, we use adjunct orthodontic appliances to assist the movement of teeth.

elastics (rubber bands)

Elastics (Rubber Bands)

Your orthodontist will require you to wear elastics that come in different forces to move a specific tooth or group of teeth. You may need to wear some of this while eating to work efficiently. Remember to wear them as instructed by Dr. Mehan or Dr. Johnson.



Forsus is an alternative to headgear and is placed by Dr. Mehan or Dr. Johnson and can’t be removed except by your doctor. It is a spring appliance with a small rod to help shift the lower teeth forward and the upper teeth backward to correct cases of an overbite.




Carriere Distalizers

Carriere distalizers are the alternative to headgear. It is used to correct a bite without removing permanent teeth when there is a lack of space. It pulls back your back teeth to create space and start straightening your front teeth.


Separators or Spacers

Separators are small O-rings that we place between teeth to create a space at your back teeth in preparation for placing orthodontic molar bands. They are usually kept in place for 1-2 weeks before your molar bands and brackets are placed.

Palatal Expanderpalatal expander

Palatal expander is an orthodontic appliance used to slowly widen a narrow-sized jaw to gain additional space for permanent teeth. It is very helpful in correcting crossbites and overcrowded teeth. We will give you instructions on how to turn the screw and how often you need to.

hawley     essix



Retention is the last phase of your orthodontic treatment. It is vital to keep your teeth in their new positions while your bones and gums get used to it. Here at Mehan & Johnson Orthodontics, we offer two types of retainers: Hawley retainer and Clear Essix Style retainer. We will discuss which option will suit your needs and lifestyle. Your orthodontist will determine how long you need to wear your retainers, as it depends on every case.

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