1) Dental practitioner 2) Dentist 3) Tooth doctor 
A dental specialist whose practice is limited to the interception and treatment of malocclusion and other neuromuscular and skeletal abnormalities of the teeth and their surrounding structures.
designs and applies corrective and supportive appliances, braces, to realign crooked teeth.
A dentist who has been specially trained in orthodontics.
<specialist> A dentist who has been specially trained to do orthodontics. ... (08 Jan 1998) ... 
(or″tho-don´tist) a dentist who specializes in orthodontics.
a term used to describe a dentist who specialises in Orthodontics or braces is known as an Orthodontist. All Orthodontists that are officially certified in the UK are registered in the General Dental Council and have further knowledge in Orthodontics.
A dentist who specialises in correcting the mis-alignment of teeth.
Type: Term Pronunciation: ōr′thō-don′tist Definitions: 1. A dental specialist who practices orthodontics.
[n] - a dentist specializing in the prevention or correction of irregularities of the teeth
orthodontist 1. A specialist in the area of dentistry concerned with the prevention and correction of abnormally positioned or aligned teeth. 2. A dentist who is concerned with correcting and preventing irregularities of teeth and their poor occlusions.
noun a dentist specializing in the prevention or correction of irregularities of the teeth
A dental specialist whose practice is limited to the interception and treatment of malocclusion of the teeth and their surrounding structures.
a dentist who evaluates the position and alignment of your child's teeth and coordinates a treatment plan with the surgeon and other specialists.
a dentist specializing in irregularities of the teeth