Laminated Root Premolar

Photo a root canal is done on a premolar for having a large cavity closed to the nerve.
Laminated root premolar. Lower 1st 2nd and 3rd molars 2 roots. How many roots does the 2nd max premolar normally have. What is the most common root type found on the maxillary 1st premolar. Regardless of the number of roots the vast majority 86 6 had 2 root canals with type iv 2 2 being the most common canal configuration 64 8.
The presence of missed canal root that is not fully treated might increase the risk of failure of root canal treatment as pulpal pathology is not completely eradicated. How weak is the premolar when the buildup is left void and a crown is placed. 2nd only has 1 root and the 2nd premolar is slightlt smaller in dimensions. Type iii laminated root.
Laminated root rot also known as yellow ring rot is caused by the fungal pathogen phellinus weirii laminated root rot is one of the most damaging root disease amongst conifers in northwestern america and true firs douglas fir mountain hemlock and western hemlock are highly susceptible to infection with p. What is defined as a thin connection between the main portions of the root structure. The majority of maxillary first premolars had 1 root 41 7 or 2 roots 56 6. Each of a tooth s roots will have at least 1 root canal.
Normal mandibular premolar teeth a radiograph of the left mandibular premolar teeth of a young dog b buccal view of a prepared mandible c buccal view of mandible that has had the buccal portion removed to view the relationship of the premolar teeth roots to the mandibular canal some premolar roots appear to protrude into the mandibular canal. Weirii a few species of plants such as western white pine and lodgepole pine are. This type resembles type ii except the buccal and lingual branches are m joined wholly or in part by a lamination which is defined as a thin connection between the main portions of the root structure. In the present case report we describe the successful diagnosis and management of an incidental finding of a third root in the maxillary second premolar.
Variability in the number of root canals. Does the 2nd premolar have a mesial concavity. Lower 1st and 2nd premolars bicuspids just have 1 root. Upper 1st 2nd and 3rd molars 3 roots.
Single root rarely bifurcated. This is the most common root form of maxillary first premolars. Upper 2nd premolars both 1 or 2 roots is possible. How many roots does the mandibular 2nd premolar usually have.
Upper 1st premolars 2 roots. The maxillary first premolar usually has two roots though a single root is also possible. Molars in contrast all have at least two roots with the upper molars typically having three.