dental x-rays

Dental X-Rays

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What is Dental X-Rays


Dental X-Rays help to view parts of teeth and supporting structures of jaws covered by gums or inside the bone and cannot be seen on clinical examination. Depending on where the X-Ray film is placed, X-Rays may be intra-oral (inside the mouth) or extra-oral ( outside the mouth). There are different types and sizes of X-Ray films used depending on the area or field of interest.


Dental X-Rays




Types of Intra Oral X-RaysBITEWING : Enables viewing a group of upper and lower teeth together, from the crown level till supporting bone, useful for detection of decay, margins of dental fillings, determining proper prosthetic crown fitting.



Types of Intra Oral X-RaysPERIAPICAL : Enables view of full crown till end of root for a group of teeth of a particular area. Helpful for diagnostic evaluation prior to treatment, to detect abnormal changes in supporting tissues and for post operative evaluation of treatment.



Types of Intra Oral X-RaysOCCLUSAL : Enables view of almost entire arch of teeth with a part of either of the jaws. Helpful to visualize position of teeth in arch, also to detect presence of an impacted tooth, pathology, or anatomical variation on jaws.



Types of Extra Oral X-RaysPANORAMIC : Also called orthopantomographs. Enables view of all teeth in both jaws along with surrounding anatomical structures. This type of X-Ray has a wide spectrum of use, to name a few- viewing growth and development of jaws, for diagnosis and treatment planning for multidisciplinary treatment or implant placements, or for detecting jaw fractures or pathology, or temporomandibular joint disorders.



Types of Extra Oral X-RaysTOMOGRAMS/COMPUTED TOMOGRAPHY : Enables view of the area of interest in the form of a “slice”, with minutest details specific to that part, usually in axial plane.



Types of Extra Oral X-RaysCEPHALOMETRIC PROJECTIONS : Enables lateral/side view of the head, relating hard tissue anatomy with soft tissue profile. Helpful for orthognathic (jaw) assessment in orthodontic treatment planning.



Types of Extra Oral X-RaysSIALOGRAPHY : Sialography is the study of salivary glands by X-Rays. This is special kind of X-Ray, possible only with injection of dyes in gland/duct to enable visualization on X-Ray.



Different X-Ray SystemsConventional: These systems use X-Ray films which have to be developed externally to view area of interest.

Digital imaging: This is a newer technique for X-Ray imaging. Also called as Radio Visuo Graphy (RVG), this system generates digital images directly on computer screens with the help of specific software.



Different X-Ray SystemsThe main advantages of this system over the conventional are that they eliminate the need of films since a sensor is used instead, radiation exposure time is reduced to a great extent thereby reducing radiation hazards, images can be retained without distortion, can be reproduced at any time, availability to magnify/contrast/highlight/measure area of interest with the help of software, electronic transfer/printing image is possible.

About Smile Care

Smile Care® has spearheaded the cause of modern

dentistry in India through its multitude of activities in the

field of dentistry.

Smile Care® is involved in Clinical Services, Continuing

Education, Clinical Research, Public Awareness and

Scientific Publication in the field of dentistry and offers

the synergistic benefit of these activities to all its clients.


Contact Details

Smile Care ClinicBandra, Vashi, Nashik, Kolhapur

Email: [email protected]

Tel: 91 -22-26400188 / 83 Fax 91-22-26416342


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