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Dental Term Starting with O

Obstruction removal

to remove something that is in the way of the root of the tooth

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Obturate

With reference to endodontics, refers to the sealing of the canal(s) of tooth roots during root canal therapy procedure with an appropriately prescribed material such as gutta percha in combination wi...

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Obturator

A disc or plate which closes an opening; a prosthesis that closes an opening in the palate.

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Obturator prosthesis

an item used to replace the roof of the mouth

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Occlusal

Pertaining to the biting surfaces of the premolar and molar teeth or contacting surfaces of opposing teeth or opposing occlusion rims.

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Occlusal adjustment

when the teeth are reshaped so they fit together better

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Occlusal guard

An occlusal guard is a mouth piece to keep you from grinding your teeth.You can take this out of your mouth

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Occlusal radiograph

An intraoral radiograph made with the film, phosphorous plate, emulsion or digital sensor being held between the occluded teeth.

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Occlusal surface

A surface of a posterior tooth or occlusion rim that is intended to make contact with an opposing occlusal surface.

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Occlusal x-ray

An intraoral x-ray taken with the film held between the teeth in biting position.

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Occlusion

Any contact between biting or chewing surfaces of maxillary (upper) and mandibular (lower) teeth.

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Odontogenic

Refers to tooth-forming tissues.

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Odontoplasty

Adjustment of tooth length, size, and/or shape; includes removal of enamel projections.

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Onlay

A dental restoration made outside the oral cavity that covers one or more cusp tips and adjoining occlusal surfaces, but not the entire external surface. It is retained by luting cement.

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Open enrollment

The annual period in which employees can select from a choice of benefit programs.

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Open reduction

Re-approximation of fractured bony segments accomplished through cutting the adjacent soft tissues and bone to allow direct access.

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Operculectomy

Removal of the operculum.

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Operculum

A flap of gingival tissue over the crown of an erupting tooth.

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Oral

Pertaining to the mouth.

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Oral and maxillofacial pathologist

A dental specialist whose practice is concerned with recognition, diagnosis, investigation and management of diseases of the oral cavity, jaws, and adjacent structures.

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Oral and maxillofacial radiologist

A dental specialist whose practice is concerned with the production and interpretation of images and data produced by all modalities of radiant energy used for the diagnosis and management of diseases...

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Oral and maxillofacial surgeon

A dental specialist whose practice is limited to the diagnosis, surgical and adjunctive treatment of diseases, injuries, deformities, defects and esthetic aspects of the oral and maxillofacial regions...

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Oral diagnosis

The determination by a dentist of the oral health condition of an individual patient achieved through the evaluation of data gathered by means of history taking, direct examination, patient conference...

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Oral examination

to see what dental work needs to be done

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Oral health literacy

The degree to which individuals have the capacity to obtain, process and understand basic health information and services needed to make appropriate oral health decisions.

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Oral hygiene instruction

the dentist shows your child how to brush and floss the right way

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Oral hygiene instructions (OHI)

the dentist shows your child how to brush and floss the right way

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Oral surgery

The removal of teeth and the repair and treatment of other oral problems, such as tumors and fractures.

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Orthodontics

A dental specialty that deals with tooth and jaw alignment.

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Orthodontics and dentofacial orthopedics

Orthodontics and dentofacial orthopedics is the dental specialty that includes the diagnosis, prevention, interception, and correction of malocclusion, as well as neuromuscular and skeletal abnormalit...

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Orthodontist

A dental specialist who straightens of moves misaligned teeth and/or jaw.

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Orthognathic

Functional relationship of maxilla and mandible.

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Orthotic device

Apparatus used to support, align, prevent or correct deformities, or to improve the function of movable parts of the body.

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10000+ Dental Terms for Dentist, Doctors & Students from a Dental dictionary. Our experts define difficult Dental language in easy-to-understand explanations of each and every Dental term.

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