“…The injury of the inferior alveolar nerve (IAN) and the lingual nerve (LN) are typical risks and most frequent severe complications in the lower third molar (M3) removal; likewise, M3 extraction is the most frequent reason for IAN and LN injury [8][9][10][11]. The incidence reported in the literature is ranging from 0.35% [12] to 8% [13] for temporary and from 0% [14,15] to 1% [16] for permanent IAN injury and from 0% [17] to 11% [18] for temporary and from 0% [15,19] to 1.1% [20] for permanent LN injury [21][22][23][24][25][26][27][28][29][30][31][32].…”
Section: Introductionmentioning
confidence: 99%
“…Despite the belief of some authors that 3D diagnostic is able to reduce operating time and therefore postoperative complications, such as neurosensory disturbances, swelling, or alveolitis [52,53], there is only low-level scientific evidence on the actual usefulness of different preoperative imaging techniques for n number of cases, t temporary, p permanent the operative removal of wisdom teeth [49,54]. In contrary, one study found no significant differences for postoperative complications between 3D and 2D presurgical diagnostics [11]. In intraoral radiography, the parallax technique is able to determine a lingual or buccal position of the IAN in relation to M3 [55,56], as well as the PA cephalomatric radiography [57].…”
The availability of cone beam computed tomography (CBCT) and the numbers of CBCT scans rise constantly, increasing the radiation burden to the patient. A growing discussion is noticeable if a CBCT scan prior to the surgical removal of wisdom teeth may be indicated. We aimed to confirm non-inferiority with respect to damage of the inferior alveolar nerve in patients diagnosed by panoramic radiography compared to CBCT in a prospective randomized controlled multicentre trial. Sample size (number of required third molar removals) was calculated for the study and control groups as 183,474 comparing temporary and 649,036 comparing permanent neurosensory disturbances of the inferior alveolar nerve. Modifying parameter values resulted in sample sizes ranging from 39,584 to 245,724 respectively 140,024 to 869,250. To conduct a clinical study to prove a potential benefit from CBCT scans prior to surgical removal of lower wisdom teeth with respect to the most important parameter, i.e., nerval damage, is almost impossible due to the very large sample sizes required. This fact vice versa indicates that CBCT scans should only be performed in high risk wisdom tooth removals.
“…The injury of the inferior alveolar nerve (IAN) and the lingual nerve (LN) are typical risks and most frequent severe complications in the lower third molar (M3) removal; likewise, M3 extraction is the most frequent reason for IAN and LN injury [8][9][10][11]. The incidence reported in the literature is ranging from 0.35% [12] to 8% [13] for temporary and from 0% [14,15] to 1% [16] for permanent IAN injury and from 0% [17] to 11% [18] for temporary and from 0% [15,19] to 1.1% [20] for permanent LN injury [21][22][23][24][25][26][27][28][29][30][31][32].…”
Section: Introductionmentioning
confidence: 99%
“…Despite the belief of some authors that 3D diagnostic is able to reduce operating time and therefore postoperative complications, such as neurosensory disturbances, swelling, or alveolitis [52,53], there is only low-level scientific evidence on the actual usefulness of different preoperative imaging techniques for n number of cases, t temporary, p permanent the operative removal of wisdom teeth [49,54]. In contrary, one study found no significant differences for postoperative complications between 3D and 2D presurgical diagnostics [11]. In intraoral radiography, the parallax technique is able to determine a lingual or buccal position of the IAN in relation to M3 [55,56], as well as the PA cephalomatric radiography [57].…”
The availability of cone beam computed tomography (CBCT) and the numbers of CBCT scans rise constantly, increasing the radiation burden to the patient. A growing discussion is noticeable if a CBCT scan prior to the surgical removal of wisdom teeth may be indicated. We aimed to confirm non-inferiority with respect to damage of the inferior alveolar nerve in patients diagnosed by panoramic radiography compared to CBCT in a prospective randomized controlled multicentre trial. Sample size (number of required third molar removals) was calculated for the study and control groups as 183,474 comparing temporary and 649,036 comparing permanent neurosensory disturbances of the inferior alveolar nerve. Modifying parameter values resulted in sample sizes ranging from 39,584 to 245,724 respectively 140,024 to 869,250. To conduct a clinical study to prove a potential benefit from CBCT scans prior to surgical removal of lower wisdom teeth with respect to the most important parameter, i.e., nerval damage, is almost impossible due to the very large sample sizes required. This fact vice versa indicates that CBCT scans should only be performed in high risk wisdom tooth removals.
“…Orthopantomography (OPT) is indispensable for this purpose, but in some situations, it may prove inadequate, in which case computed tomography (CT) may be warranted [1,4,8,[11][12][13][14]. The advisability of prescribing CT for lower third-molar extraction is controversial, however, because the dose-benefit and cost-benefit ratios might be unfavourable [15,16].…”
Section: Introductionmentioning
confidence: 99%
“…I maggiori fattori di rischio per le lesioni del NAI durante l'estrazione del terzo molare includono: la profondità d'inclusione del dente, la sua angolazione, l'uso di osteotomia o odontotomia, l'età del paziente, e l'osservazione di particolari segni radiografici [4, 5]. Quest'ultimo fattore di rischio dimostra l'importanza di accertare il rapporto anatomico tra le radici del dente del giudizio e il canale mandibolare [6][7][8][9][10].A tale scopo l'ortopantomografia (OPT) è indispensabile, ma in alcune situazioni in cui risulta inadeguata è consigliato eseguire la tomografia computerizzata (TC) [1, 4, 8,[11][12][13][14]. L'appropriatezza della prescrizione della TC ai fini dell'estrazione del terzo molare inferiore può essere discutibile, poiché i rapporti dose/beneficio e costo/ beneficio potrebbero non essere favorevoli [15, 16].…”
unclassified
“…A tale scopo l'ortopantomografia (OPT) è indispensabile, ma in alcune situazioni in cui risulta inadeguata è consigliato eseguire la tomografia computerizzata (TC) [1, 4, 8,[11][12][13][14]. L'appropriatezza della prescrizione della TC ai fini dell'estrazione del terzo molare inferiore può essere discutibile, poiché i rapporti dose/beneficio e costo/ beneficio potrebbero non essere favorevoli [15, 16].…”
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