Association of orthodontic force system and root resorption: A systematic review

Roscoe, Marina Guimarães; Meira, Josete Barbosa Cruz; Cattaneo, Paolo M.

doi:10.1016/j.ajodo.2014.12.026

Cited by 196 publications

(146 citation statements)

References 63 publications

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“…15 It has regularly been reported that increased force level is positively correlated with increased ARR. 16 There were some limitations to this study. First, this was a retrospective study, which may be subject to some biases.…”

Section: Discussionmentioning

confidence: 93%

Apical root displacement is a critical risk factor for apical root resorption after orthodontic treatment

Kim

Lee

et al. 2018

The Angle Orthodontist

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Objectives: To identify risk factors for apical root resorption (ARR) of maxillary and mandibular incisors using mathematical quantification of apical root displacement (ARD) and multiple linear mixed-effects modeling. Materials and Methods: Periapical radiographs of maxillary and mandibular incisors and lateral cephalograms of 135 adults were taken before and after orthodontic treatment. ARR was measured on the periapical radiographs, and movement of central incisors was evaluated on the superimposed pre-and posttreatment lateral cephalograms. ARD was mathematically calculated from pretreatment tooth length, inclination change, and movement of the incisal edge. Linear mixed-effects model analysis was performed to identify risk factors for ARR, and standardized coefficients (SCs) were calculated to investigate the relative contribution of the risk factors to ARR. Results: Vertical ARD showed the highest SCs for both maxillary and mandibular incisors. Horizontal ARD showed the second highest SC for mandibular incisors but was not significantly correlated with the ARR of maxillary incisors. When horizontal and vertical ARDs were included in the mixed-effects model, the use of self-ligating brackets was significantly correlated with increased ARR of mandibular incisors. Conclusions: ARD is a critical factor for ARR after orthodontic treatment. Careful monitoring of ARR is recommended for patients requiring significant ARD of incisors. (Angle Orthod. 2018;88:740-747.)

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Section: Discussionmentioning

confidence: 93%

Apical root displacement is a critical risk factor for apical root resorption after orthodontic treatment

Kim

Lee

et al. 2018

The Angle Orthodontist

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“…His findings support the notion that treatment time is related to RR, as suggested by McFadden et al 29 However, it contradicts other studies, which suggest that the two factors are unrelated. 30 …”

Section: Fig 4 -The Distribution Of Post-treatment Earr (Overall)mentioning

confidence: 99%

A radiographic study of external apical root resorption in patients treated with single-phase fixed orthodontic therapy

Agarwal

Chopra

Kumar

et al. 2016

Medical Journal Armed Forces India

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m e d i c a l j o u r n a l a r m e d f o r c e s i n d i a 7 2 ( 2 0 1 6 ) s 8 -s 1who had undergone treatment with a single phase of fixed orthodontic therapy were randomly selected from institutional archives. The root apices were evaluated for EARR by a single operator on an radiograph viewing box at a standardized source of light using a four-grade ordinal scale. Anterior EARR was measured on the maxillary and mandibular canines. Posterior EARR was measured on premolars, mesiobuccal and distobuccal roots of maxillary first molars and mesial and distal roots of mandibular first molars. The results were compiled and subjected to statistical analysis. Results:The cases in which the patients underwent therapeutic extraction had a relatively higher amount of EARR compared to the cases in which the patients were treated by nonextraction therapy (P < 0.001). Odds ratio indicated that extraction cases had two-fold increased risk of EARR than non-extraction cases (P < 0.001). No statistically significant difference was observed in the distribution of EARR based on gender or duration of orthodontic treatment (P > 0.05).

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“…7,21 However, the specific role relating to many of these factors is poorly understood and there is only good evidence that heavier orthodontic forces cause greater OIIRR than light forces 22 and that increased treatment time positively correlates to increased OIIRR. 23 The increased risk of OIIRR in association with prolonged orthodontic tooth movement makes shorter treatment duration a worthwhile goal. The use of supplemental vibrational force has recently been advocated as a method of accelerating orthodontic tooth movement and reducing overall treatment time.…”

Section: Introduction Backgroundmentioning

confidence: 99%

Effect of supplemental vibrational force on orthodontically induced inflammatory root resorption: A multicenter randomized clinical trial

DiBiase

Woodhouse

Papageorgiou

et al. 2016

American Journal of Orthodontics and Dentofacial Orthopedics

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INTRODUCTION A multicenter parallel 3-arm randomized clinical trial was carried out in 1 university and 2 district hospitals in the United Kingdom to investigate the effect of supplemental vibrational force on orthodontically induced inflammatory root resorption (OIIRR) during the alignment phase of fixed appliance therapy. METHODS Eighty-one subjects less than 20 years old with mandibular incisor irregularity undergoing extraction-based fixed-appliance treatment were randomly allocated to supplementary (20 minutes a day) use of an intraoral vibrational device (AcceleDent; OrthoAccel Technologies, Houston, Tex) (n = 29), an identical nonfunctional (sham) device (n = 25), or fixed appliances only (n = 27). OIIRR was measured blindly from long-cone periapical radiographs of the maxillary right central incisor taken at the start of treatment and the end of alignment when a 0.019 × 0.025-in stainless steel archwire was placed (mean follow-up, 201.6 days; 95% confidence interval [CI], 188.6-214.6 days). Data were analyzed blindly on a per-protocol basis because losses to follow-up were minimal, with descriptive statistics, 1-way analysis of variance, and univariable and multivariable regression modeling. RESULTS Nine patients were excluded from the analysis; they were evenly distributed across the groups. Mean overall OIIRR measured among the 72 patients was 1.08 mm (95% CI, 0.89-1.27 mm). Multivariable regression indicated no significant difference in OIIRR for the AcceleDent (difference, 0.22 mm; 95% CI, -0.14-0.72; P = 0.184) and AcceleDent sham groups (difference, 0.29 mm; 95% CI, -0.15-0.99; P = 0.147) compared with the fixed-appliance-only group, after accounting for patient sex, age, malocclusion, extraction pattern, alignment time, maximum pain experienced, history of dentoalveolar trauma, and initial root length of the maxillary right central incisor. No other side-effects were recorded apart from pain and OIIRR. CONCLUSIONS The use of supplemental vibrational force during the alignment phase of fixed appliance orthodontic treatment does not affect OIIRR associated with the maxillary central incisor. REGISTRATION ClinicalTrials.gov (NCT02314975). PROTOCOL The protocol was not published before trial commencement. FUNDING Functional and sham AcceleDent units were donated by the manufacturer; there was no contribution to the conduct or the writing of this study.

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Association of orthodontic force system and root resorption: A systematic review

Cited by 196 publications

References 63 publications

Apical root displacement is a critical risk factor for apical root resorption after orthodontic treatment

Apical root displacement is a critical risk factor for apical root resorption after orthodontic treatment

A radiographic study of external apical root resorption in patients treated with single-phase fixed orthodontic therapy

Effect of supplemental vibrational force on orthodontically induced inflammatory root resorption: A multicenter randomized clinical trial

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