Root abnormalities and nonsurgical management of generalized aggressive periodontitis

Lü, Da; Meng, Hua; Xu, Li; Wang, Xian’e; Zhang, Li; Tian, Yu

doi:10.2334/josnusd.16-0258

Cited by 6 publications

(6 citation statements)

References 34 publications

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“…The initial root form is a key factor associated with the prognosis of periodontitis and tooth loss16 [8,16,17]. As an important local factor affecting the progression of periodontitis, we should pay attention to root morphology, especially for patients with aggressive periodontitis, whose RA is more common than patients with chronic periodontitis [3,8,9,18]. The conical root is a typical type of root morphological abnormality that differs from the normal root in shape and dimensions [1,3].…”

Section: Discussionmentioning

confidence: 99%

“…Lü et al also measured the parameters of root width of conical roots in maxillary premolars. The median (min-max) value was 0.26 (0.05-0.38) mm, so they assumed the reference value of PRW to be 0.39 mm [8], but a diagnostic efficacy analysis was not performed. There are few clinical studies related to conical roots, and they are mainly based on two-dimensional radiographs such as periapical and panoramic radiographs [2,12,13].…”

Section: Discussionmentioning

confidence: 99%

“…Periodontitis is a chronic infectious disease with plaque biofilm as the initial factor, although its occurrence, progression, clinical severity, and prognosis are affected by many factors, such as age, smoking, local factors (such as dental anatomy and restoration, calculus), and systemic diseases [4][5][6][7]. Among the local susceptibility factors of the host, abnormal root morphology is of concern, especially in Chinese patients with aggressive periodontitis, who show a root abnormality (RA) more commonly than do patients with chronic periodontitis or gingivitis [3,8,9]. Conical roots are a common abnormal root morphology of upper premolars.…”

Section: Introductionmentioning

confidence: 99%

“…Conical roots are a common abnormal root morphology of upper premolars. Lü et al proved that abnormal root morphology is an adverse prognostic factor in patients with aggressive periodontitis [8]; they found that during the periodontal support therapy, patients with > 4 teeth with root abnormalities had a higher risk of tooth loss (OR = 3.52, 95% CI 1.06-11.76, P = 0.035) and annual SPT-TL (n ± SD: 0.16 ± 0.26 vs. 0.09 ± 0.27, P = 0.041). Abnormal root morphology often accelerates the progression of periodontitis, seriously affects the prognosis of periodontitis, and even leads to the failure of teeth and dentition to function properly.…”

Section: Introductionmentioning

confidence: 99%

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A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomography

Liu

Wang

et al. 2022

BMC Oral Health

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Background Previous studies have described and recorded abnormal root morphology; however, most of these studies were based on two-dimensional periapical or panoramic radiographs, and only a few studies have quantified it. We aimed to combine two-dimensional periapical radiographs and three-dimensional cone-beam computed tomography (CBCT) to conduct qualitative judgments and quantitative analyses of normal and conical roots, and explore the clinical diagnostic method of normal and conical roots based on intraoral radiographs and CBCT. Methods The conical root was identified visually on periapical radiographs as the clinical gold standard. All teeth were divided into the cone-rooted teeth (CRT) or normal-rooted teeth (NRT) groups. Furthermore, differences in root length (RL), root surface area (RSA), and root volume (RV) of conical and normal roots in the maxillary premolars on CBCT were compared. Receiver operator characteristic curves were generated, and the area under the curve (AUC) and cut-off values were calculated to evaluate the diagnostic value of RV, RSA, RV/RL, and RSA/RL. Results The RSAs of NRT and CRT were 236.88 ± 27.93 mm2 and 207.98 ± 27.80 mm2, respectively (P = 0.000). The mean RV in the CRT group was lower than that in the NRT group, and the difference was statistically significant (253.40 ± 41.98 mm3 vs. 316.93 ± 49.89 mm3, P = 0.000). The RSA and RV of conical roots in single root premolars were 12.29% and 19.33% less than those of normal roots, respectively. The AUC values of RSA/RL and RV/RL were 0.87 and 0.89, respectively, and the best cut-off values were 19.61 for RSA/RL (if RSA/RL was < 19.61, the teeth were considered CRT) and 24.05 for RV/RL (if RV/RL was < 24.05, the teeth were considered CRT). Conclusions CBCT has significant diagnostic value in the clinical evaluation of conical roots. RSA/RL and RV/RL were the best parameters with the largest AUC and high sensitivity and specificity.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomography

Liu

Wang

et al. 2022

BMC Oral Health

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“…A higher incidence of root abnormalities was associated with an increased risk of tooth loss and further periodontal deterioration. 43 Moreover, AgP is characterized by the inability of forming NETs, as they are responsible in evacuating pathogen-associated dental plaque molecular patterns. The formation of gingival pockets boosts periodontitis progress by obstructing this function.…”

Section: Pathophysiologymentioning

confidence: 99%

Aggressive Periodontitis Etiology, Pathophysiology, and Treatment: A Recent Review

Missoum¹

2019

International Journal of Experimental Dental Science

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Periodontitis is a microbially driven inflammatory disorder that affects the periodontium and continues to be a major dental health problem worldwide. The aggressive form, formerly known as juvenile periodontitis, is a pathological condition in which rapid destruction of the periodontal tissues and bone occurs at youth, resulting in loss of teeth. Factors such as lifestyle, host response genetic defects, and subgingival microbial consortium are responsible for the progression of the disease. This devastating loss of face esthetics and oral function affects younger patients emotionally, mostly adolescents, and requires costly and invasive treatments such as implants. Fortunately, recent discoveries regarding early diagnostic tools and biomarkers were proven to be effective in controlling aggressive periodontitis (AgP) progression and limiting it at its early stages. Other modified therapies such as bone augmentation and flap surgery has also ameliorated dental clinical parameters and minimized the necessity for dental implants. Each periodontal treatment is assigned depending on the stage and the severity of the disease, and for this reason, early management is crucial. This was achievable, thanks to novel diagnostic methods such as advanced cone-beam computed tomography (CBCT) imaging and high throughput analysis of gingival crevicular fluid (GCF) biomarkers. The review discusses and compares the latest case studies on the use of different periodontal therapies to treat AgP. Recent research about its pathogenesis and etiological factors such as microbial and genetic association is also highlighted.

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Association between root taper and root proximity of single-rooted teeth with periodontitis: a cone-beam computed tomography based study

et al. 2021

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Root abnormalities and nonsurgical management of generalized aggressive periodontitis

Cited by 6 publications

References 34 publications

A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomography

A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomography

Aggressive Periodontitis Etiology, Pathophysiology, and Treatment: A Recent Review

Association between root taper and root proximity of single-rooted teeth with periodontitis: a cone-beam computed tomography based study

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