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The thousands of pictures on NYCdentist.com have been created for educational purposes
by Dr. Jeffrey Dorfman, Director of The Center for Special Dentistry.

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endodontic access, root canal tooth opening, pulp chamber

Click on the small photos below to enlarge.
Image Photo Description
endodontic access, root canal pain, bad root canal The root canal filling (arrows 3, 4 & 10) does not extend to the end of the tooth root (arrows 5, 6 & 11). 7) & 8) Radiographic evidence of an active root canal infection in the jaw. Pain in this tooth was the reason for this new patient visit. 9) A poor-fitting prefabricated post. The molar tooth will likely need extraction and replacement with a dental implant and new crown because the three posts appear to block access to all three canals. The premolar tooth will need root canal retreatment, a new post, possible gum surgery and a new crown.
instrumentation endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access tooth opening. 1. X-ray shows periapical pathology - root canal infection - in tooth #29. This new patient had chronic tooth pain following her original root canal therapy. 2. The endodontist found a second root canal with endodontic files. 3. X-ray of a file in the second canal. 4. Post preparation in the second canal of tooth #29 after obturation with gutta percha. During root canal treatment - endodontics - the Endodontist needs to confirm that he/she is cleaning and shaping the tooth root canal to the full length of the tooth. The result should not be longer or shorter than the length of the tooth. The Endodontist will frequently use an electronic tooth root apex locator in conjunction with dental xrays radiographs to confirm this measurement. The Endodontist will always want a pre-treatment x-ray to help radiographic diagnosis and a final treatment x-ray to confirm that the root canal filling - endodontic obturation - is at the correct length within the root canal space.
endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access tooth opening. 1) & 2) X-rays of tooth #14 showing a large, old silver filling in a patient who had been experiencing tooth pain. Note the decreased size of the pulp chamber in this tooth making access to the root canals more difficult. 3) X-ray of endodontic file lengths. Note that the calcification in the mesial root of #14 initially prevented instrumentation. 4) Final endodontic obturation showing that the mesial root of #14 was located and treated. Chronic inflammation in the dental pulp due to the presence of large, old fillings can increase the difficulty of root canal access. Earlier root canal therapy should be considered in these situations.
pulpectomy extirpation endodontics root canal access teeth opening tooth drilling preparation Endodontics root canal access tooth opening. 1) Root canal access attained and showing the distal and two mesial root canals. 2) Lateral condensation of the distal root canal after the master cone with root canal cement was placed. 3) The auxillary point is placed in the distal canal after the root canal spreader was removed. 4) All three canals are obturated with gutta percha. A cotton pellet and Cavit will be placed as a temporary dental filling.
endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access tooth opening. Cotton is placed in the root canal access to facilitate the location of the root canals during the subsequent dental procedures. Cavit is placed as a temporary dental filling.
endodontics root canal access through dental crowns teeth opening tooth  drilling preparation Endodontics root canal access tooth opening. How to root canal technique for an upper right lateral incisor tooth through a dental crown. Photo 1) Access is prepared through the tooth crown. Photos 2) & 3) Placement of the primary gutta percha point. Photos 4) & 5) Condensation of the accessory gutta percha points. Photos 6) & 7) Heating the endodontic condenser to vertically condense and cut the gutta percha at the pulpal chamber floor. Photo 8) Placement of the temporary filling.
retreatment endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access tooth opening. This picture shows the initial endodontic access through a large silver filling.
pulpal extirpation endodontics root canal access teeth opening tooth endodontist drilling preparatio Endodontics root canal access tooth opening. The upper right photo shows the root canal access with gutta percha - orange color - seen in the root canal orifices of the pulp chamber floor. Crown buildup after root canal therapy. Then preparation for a crown.
endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access teeth opening. Two lower premolar teeth with very bad tooth decay following root canal therapy. The occlusal view first shows the temporary filling in place and then the initial root canal access preparation into the pulp chamber reveals extensive tooth decay. The final photo shows teeth decay removed from both teeth.
pulpectomy endodontics root canal access teeth opening tooth endodontist drilling preparation Endodontics root canal access tooth opening. Dental bonding to seal endodontic access through a porcelain tooth crown. Porcelain etch and silane prime the width of porcelain exposed through the root canal access in addition to all other bonding steps. This will minimize subsequent microleakage.

 

 Information about these dental photos

     In medicine and dentistry "left" and "right" are based upon the orientation of the patient's body and not how they appear in a photograph of a smile.  For example, a reference to the upper left teeth will actually appear to be on the right side when viewing a picture of the face and similarly an upper right tooth will appear to be on the left side.

     Many words in dentistry like oral and mouth have a similar meaning and are frequently used together to help our readers find specific words they best understand.  This is particularly important because a majority of our visitors are from countries where English is not their primary language.  Maxilla or maxillary refer to the upper jaw.  Mandible or mandibular refer to the lower jaw.

     There are many other similar word combinations used throughout this website because our pages are read by patients and dentists.  A few of the most common are discussed here.  Tooth decay, tooth cavity and dental caries all mean the same thing.  Tooth, teeth and dental are also frequently interchanged as in teeth veneers or dental veneer laminate.  Oral rehabilitation and dental reconstruction mean smile makeover.  The word for x-ray may be used with or without a hyphen (this is true for other words too) and can also be called a radiograph.





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