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Predictive models of pain following root canal treatment: A prospective clinical study

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Arias Paniagua, Ana María y de la Macorra, José C y Hidalgo Arroquia, Juan José y Azabal Arroyo, Magdalena (2013) Predictive models of pain following root canal treatment: A prospective clinical study. International Endodontic Journal, 46 (8). pp. 784-793.

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Aim To determine the probability of the incidence, intensity, duration and triggering of postendodontic pain, considering factors related to the patient (age, gender, medical evaluation) and to the affected tooth (group, location, number of canals, pulp vitality, preoperative pain, periapical radiolucencies, previous emergency access, presence of occlusal contacts with antagonist).
Methodology A total of 500 one-visit root-canal treatments (RCTs) were performed to patients referred to an endodontist. Shaping of root canals was performed manually with Gates-Glidden drills and K-Flexofiles, and apical patency was maintained with a size 10 file. A 5% NaOCl solution was used for irrigation, and canals were filled with lateral compaction and AH-plus sealer. Independent factors were recorded during the treatment, and characteristics of postendodontic pain (incidence, intensity, type and duration) were later surveyed through questionnaires. Out of the 500 questionnaires, 374 were properly returned and split in two groups for two different statistical purposes: 316 cases were used to adjust the logistic regression models to predict each characteristic of postendodontic pain using predictive factors, and the remaining 58 cases were used to test the validity of each model.
Results The predictive models showed that the incidence of postendodontic pain was significantly lower when the treated tooth was not a molar (p=0.003), demonstrated periapical radiolucencies (p=0.003), there was no history of previous pain (p=0.006) or emergency endodontic treatment (p=0.045) and there was no occlusal contact (p<0.0001). The probability of experiencing moderate or severe pain was higher with increasing age (p=0.09) and in mandibular teeth (p=0.045). The probability of pain lasting more than two days was increased with age (p=0.1) and decreased in males (p=0.007) and when a radiolucent lesion was present in radiograph (p=0.1).
Conclusions Predictive formulae for the incidence, the intensity and the duration of postendodontic pain were generated and validated considering the interrelation of multiple concomitant clinical factors. A predictive model for triggering postendodontic pain could not be established.


Tipo de documento:Artículo
Materias:Ciencias Biomédicas > Odontología > Materiales dentales
Ciencias Biomédicas > Odontología > Endodoncia
Código ID:24086
Depositado:03 Abr 2014 12:35
Última Modificación:29 Nov 2018 11:23

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