Is Pederson Index a True Predictive Difficulty Index for Impacted Mandibular Third Molar Surgery? A Meta-analysis

Bali, Amit; Bali, Deepika; Sharma, Ashutosh; Verma, Gaurav

doi:10.1007/s12663-012-0435-x

Cited by 50 publications

(38 citation statements)

References 14 publications

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“…Females were reported to have more pain intensity levels postsurgically than males as well as the more the surgical difficulty the more the pain experienced. [ 5 36 37 38 39 ]…”

Section: Discussionmentioning

confidence: 99%

Low-level laser therapy on postoperative pain after mandibular third molar surgery

Hamid

2017

Ann Maxillofac Surg

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Introduction:The analgesic effect of low-level laser therapy (LLLT) after mandibular third molar (MTM) extraction is controversial. The aim is to evaluate the effect of intraoral LLLT on postoperative pain after MTMs extraction.Methods:Thirty patients with bilateral symmetrical impacted MTMs underwent surgical extractions. Experimental and control sides were randomly selected to receive LLLT or placebo. Following suturing, a dental assistant applied 810 nm gallium aluminum arsenide (GaAlAs) at three points for 30 s each with a total energy of 9 J. Pain was recorded on a visual analog scale on the 7 successive days.Results:Data analyzed by IBM SPSS Statistics 23 for Windows with P ≤ 0.05 significance level. LLLT appeared to have a high significant effect on pain reduction; however, there was a mild increase in pain after the 4th day.Conclusion:Intraoral 810 nm GaAlAs is effective in reducing postoperative pain when a dose of 32.86 J/cm2 is used.

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“…Females were reported to have more pain intensity levels postsurgically than males as well as the more the surgical difficulty the more the pain experienced. [ 5 36 37 38 39 ]…”

Section: Discussionmentioning

confidence: 99%

Low-level laser therapy on postoperative pain after mandibular third molar surgery

Hamid

2017

Ann Maxillofac Surg

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“…The Pederson index predicts surgical extraction difficulty using both Pell-Gregory classification and Winter's classification. Unlike Pell-Gregory classification, the Pederson index4 includes angulation factor, although some studies and analyses have concluded that it is not a reliable test for predicting surgical difficulty of third molar surgery and should not be employed as a sole instrument for preoperative assessment of difficulty456.…”

Section: Introductionmentioning

confidence: 99%

Which factors are associated with difficult surgical extraction of impacted lower third molars?

Park

2016

J Korean Assoc Oral Maxillofac Surg

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ObjectivesThe aim of this retrospective study was to investigate factors associated with increased difficulty in the surgical extraction of impacted lower third molars and to improve identification of difficult cases.Materials and MethodsA total of 680 patients who required 762 surgical extractions of impacted lower third molars from 2009 to 2014 were enrolled in the study. Demographic factors, clinical factors, radiographic factors, surgical extraction difficulty, and presumed causes of difficulty were collected. Data were statistically analyzed using IBM SPSS Statistics version 23.ResultsAge, sex, depth of impaction, and blurred radiographic image influenced difficulty in surgical extraction. The position of the impacted tooth influenced surgical difficulty, especially when it was accompanied by other factors.ConclusionIt is challenging to design a reliable and practical instrument to predict difficulty in surgical extraction of impacted lower third molars. To identify very difficult cases, root investigation using computed tomography is advised when impacted tooth position suggests difficult extraction.

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“…A search in the literature has shown that only few studies attempted to evaluate elements, which can complicate surgical removal of impacted mandibular third molars [1]. Among these studies, Pederson difficulty index (Table 1) which is mainly based upon anatomical and radiographic features, including angulations, depth, and ramus relationship [2].…”

Section: Introductionmentioning

confidence: 99%

Reliability of Pederson Scale in Surgical Extraction of Impacted Lower Third Molars: Proposal of New Scale

Kharma

Sakka

Aws

et al. 2014

Journal of Oral Diseases

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The aim of this study was to evaluate the clinical reliability of the Pederson index in preoperative assessment of the difficulty of surgical removal of impacted mandibular third molars. Pederson index was found to be unreliable predictor of true difficulty with low sensitivity and specificity. A new index (Kharma scale), which takes into consideration the anatomical form of tooth roots, is proposed and evaluated both pre- and postoperatively. The results of the evaluation indicate that the new estimating index is more reliable and accurate measure than Pederson scale.

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Is Pederson Index a True Predictive Difficulty Index for Impacted Mandibular Third Molar Surgery? A Meta-analysis

Cited by 50 publications

References 14 publications

Low-level laser therapy on postoperative pain after mandibular third molar surgery

Low-level laser therapy on postoperative pain after mandibular third molar surgery

Which factors are associated with difficult surgical extraction of impacted lower third molars?

Reliability of Pederson Scale in Surgical Extraction of Impacted Lower Third Molars: Proposal of New Scale

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