Levels of root resorption associated with continuous arch and sectional arch mechanics

Alexander, Stanley A.

doi:10.1016/s0889-5406(96)80017-5

Cited by 63 publications

(65 citation statements)

References 14 publications

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“…Obwohl in der Literatur weitestgehende Einigkeit bezüglich der Tatsache herrscht, dass obere Inzisivi im Durchschnitt häu-figer und stärker von externen apikalen WR betroffen sind als andere Zähne [1,10,14,17,19,23,30,35,50,53,54], bleibt bisher unklar, warum diese lokale Häufung existiert.…”

Section: Methodsunclassified

Severe external apical root resorption—local cause or genetic predisposition?

et al. 2011

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Section: Methodsunclassified

Severe external apical root resorption—local cause or genetic predisposition?

et al. 2011

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“…As quoted in the literature, more frequent severe root resorption is associated with orthodontic treatment. 1 Although it is not the only etiologic factor causing root resorption, it acts as a major triggering factor. Various degree of resorption occurs in relation to root portion.…”

Section: 5005/jp-journals-10024-2069mentioning

confidence: 99%

Assessment of Root Resorption and Root Shape by Periapical and Panoramic Radiographs: A Comparative Study

Ahuja

Mhaske²,

Mishra

et al. 2017

The Journal of Contemporary Dental Practice

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Introduction:One of the common findings encountered by the clinician at the end of orthodontic treatment is the apical root resorption. Root resorption occurs to various degrees. A severe form of root resorption is characterized by shortening of root for more than 4 mm or more than one-third of the total tooth length. A low incidence rate of resorption is observed based on radiographic findings for the diagnosis of root resorption, panoramic radiography, and periapical radiography. Hence, we evaluated the accuracy of panoramic radiographic films for assessing the root resorption in comparison with the periapical films. Materials and methods:This study included the assessment of all the cases in which pre-and post-treatment radiographs were available for analysis of the assessment of the amount of root resorption. Complete records of 80 patients were analyzed. Examination of a total of 900 teeth was done. Mean age of the patients in this study was 21 years ranging from 11 to 38 years. The majority of the patients in the present study were females. All the treatments were carried out by registered experienced orthodontists having minimum experience of more than 10 years. All the cases were divided into two study groups. Group I comprised panoramic radiographic findings, while group II consisted of periapical radiographic findings. For the measurement of crown portion, root portion, and the complete root length, magnification loops of over 100 powers with parallax correction with inbuilt grids were used. Assessment of the tooth length and the crown length was done by the same observers. All the results were analyzed by Statistical Package for the Social Sciences software version 6.0.Results: Maximum amount of root resorption was observed in case of maxillary central incisors and canines among group I and II cases respectively. However, nonsignificant difference was obtained while comparing the mean root resorption in relation to maxillary incisors and canines among the two study groups. While comparing the overall value of root resorption among the two study groups, a significant difference was obtained. The maximum value of tooth length in both the groups was observed in cases of maxillary canines. Significant differences were observed while comparing the tooth length of various teeth among the two study groups. Among the deviated forms of root shape, dilaceration was the most common form of root shape detected in both the study groups. Conclusion:Periapical radiographs are more efficient in the assessment of the shape and resorption of the root.Clinical significance: Thorough evaluation of periapical radiographs is necessary for detection of even minute levels of root resorption.

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“…The maxillary lateral incisors have been reported to be more susceptible to root resorption than the central incisors (14) because of their relationship of root structure combined with the tip built into the pre-angulated bracket system (1).…”

Section: Occurrancementioning

confidence: 99%

Root Resorption in Relation to Orthodontic Tooth Movement

Ramanathan

Hofman

2006

Acta Med. (Hradec Kralove, Czech Repub.)

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Root resorption is an undesirable sequela of orthodontic tooth movement. The odontoclasts are responsible for root resorption and the process of hyalinization is known to preceed the orthodontic root resorption. It is found that there are several predisposing factors, therefore an evaluation of these factors should be done by careful examination of personal medical history, severity of malocclusion and dental treatment (if any due to previous history of trauma), anterior crossbite etc. The evaluation becomes an essential factor as it helps the orthodontists in detecting the occurance and severity of the root resorption and thereby plan out the treatment more effectively. Orthodontic tooth movements especially intrusion and other movements like tipping, torque are all known to influence the root resorption, therefore the detection using radiographs and repair of root resorption is of utmost significance as root resorption is a more serious problem from a medicolegal stand point of view. However some studies have shown that the repair process is known to occur after the cessation of orthodontic treatment by the deposition of cementum of cellular type. In the light of orthodontist’s liability of what is basically an unpredictable phenomenon, it is necessary that the speciality define this uncertainity and protect its members against unnecessary and unjustified litigation.

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Levels of root resorption associated with continuous arch and sectional arch mechanics

Cited by 63 publications

References 14 publications

Severe external apical root resorption—local cause or genetic predisposition?

Severe external apical root resorption—local cause or genetic predisposition?

Assessment of Root Resorption and Root Shape by Periapical and Panoramic Radiographs: A Comparative Study

Root Resorption in Relation to Orthodontic Tooth Movement

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