Microbiological aspects of traumatic injuries

Fouad, Ashraf F.

doi:10.1111/edt.12494

Cited by 13 publications

(12 citation statements)

References 89 publications

(126 reference statements)

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“…Additionally, the incidence rate for dental trauma indicates an upward trend (incidence per 1000: 18.9 in 2011 to 28.5 in 2013) [2]. After traumatic injuries to teeth, dental pulp and neurovascular supply can be disrupted, and microorganisms may invade the compromised pulp tissue, initiating an infection and periapical inflammation [3]. Indeed, development of pulp necrosis occurs in up to 27% of permanent teeth with traumatic injuries, leading to serious consequences such as aberrant root formation and questionable long-term tooth survival [4].…”

Section: Introductionmentioning

confidence: 99%

New Insights into the Microbial Profiles of Infected Root Canals in Traumatized Teeth

Manoharan

Brundin

Rakhimova

et al. 2020

JCM

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Traumatic dental injuries in young individuals are often exposed to the invasion of oral microorganisms that leads to pulp necrosis. Infective necrosis in permanent teeth not-fully-developed causes aberrant root formation. Regeneration endodontic treatments (RETs) have shown promising results by promoting continued root development by stem cells. Critical to the success of RET is the thorough disinfection of the pulpal space. To establish effective antimicrobial protocols for root canal disinfection, the invading microorganisms need to be identified. In the present study, we use a combination of culture-based and high-throughput molecular sequencing techniques to investigate the microbial profiles from traumatized teeth (30 cases) and controls, i.e., teeth with pulp infections not caused by trauma (32 cases). Overall, a high microbial diversity in traumatized necrotic teeth was observed. Eubacterium yurii subsps. yurii and margaretiae, as well as key ‘bridging oral species’ F. nucleatum sp., Polymorphum and Corynebacterium matruchotti, were highly associated with traumatized teeth. The microbial compositions of traumatized teeth differed considerably from those of infected teeth not caused by trauma. Age and tooth position also influence microbial compositions. In conclusion, we show that the root canal microflora of traumatized teeth is highly diverse, and it differs from root canal infections not caused by trauma.

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Section: Introductionmentioning

confidence: 99%

New Insights into the Microbial Profiles of Infected Root Canals in Traumatized Teeth

Manoharan

Brundin

Rakhimova

et al. 2020

JCM

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“…In this retrospective study, among the etiological factors, Group V comprised endodontic treatment endodontic (pulpectomy) for other causes, such as, dental trauma that resulted in pulp necrosis ( 15 ) and indication for internal tooth bleaching. Conversely, the intrinsic color changes are caused by several factors, which must be evidenced during clinical examination to allow greater predictability of results, making previous pulp therapy necessary.…”

Section: Discussionmentioning

confidence: 99%

Etiological factors commonly related to the need of endodontic treatment in individuals with orofacial clefts

Siqueira¹,

Mateo-Castillo²,

Pinto³

et al. 2021

J Clin Exp Dent

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Background Dental treatment is fundamental in the rehabilitation of individuals with orofacial clefts, due to their oral condition; when indicated, endodontic therapy allows elimination of infection of the root canal system. Aim: To analyze, by a retrospective study, the most prevalent type of orofacial cleft, the etiological factors most commonly related to the endodontic treatment need, as well as their success and failure rates. Material and Methods This study analyzed data from 136 records (76 females and 60 males) with mean age of 19 years and 7 months, who met the inclusion criteria. Data were collected including the type of cleft, etiological factors that led to the need of endodontic treatment, as well as their success and failure rates. The statistical analysis was performed by the chi-square, Kruskal-Wallis, Fisher’s Exact and Batista Pike tests. Results Among the etiological factors, were pulp involvement due to caries, endodontic treatment for prosthetic rehabilitation, tooth resorptions, for orthodontic movement, dental trauma and indication of internal tooth bleaching; the most prevalent factor was pulp involvement due to caries. Among all data analyzed, cleft lip and palate presented the highest percentage, and there was predominance of treatment success compared to failure. Conclusions The well-conducted root canal treatment is necessary for dental rehabilitation, maintaining the masticatory function and esthetic harmony of these individuals. Key words: Cleft lip, Cleft palate, Endodontics.

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“…Tooth pulp can be injured due to a variety of irritants, and root canal treatment (RCT) may be indicated in some cases to restore teeth wellness. 1,2,3 However, teeth are positioned near sensitive anatomical structures, such as the maxillary sinus and mandibular canal 4,5,6,7,8,9,10,11,1 2,13,14,15,16,17 and the buccal and lingual cortical plates. 4,7,10,14,18,19,20,21,22,23 Thus, the endodontic diagnosis and treatment planning of such cases require greater attention by the endodontist.…”

Section: Introductionmentioning

confidence: 99%

Three Dimensional mapping of the root apex: distances between apexes and anatomical structures and external cortical plates

2021

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This study aimed to determine the mean distances between apexes of the maxillary posterior teeth and the maxillary sinus, between apexes of the mandibular posterior teeth and the mandibular canal, and between the root apexes of all teeth and the adjacent cortical plates. A total of 800 cone-beam computed tomography (CBCT) scans (400 maxillary and 400 mandibular) were obtained from patients indicated for several treatments. The proximity between apexes and anatomical structures, and the relationship between apexes and adjacent cortical plates were assessed together with the risk of over-instrumentation. Paired-sample comparisons were performed by using the paired t-test. The means were compared by ANOVA, Kruskal-Wallis and Dwass-Steel-Critchlow-Fligner tests. a) Most of the apexes classified as A (high-risk proximity) were observed in maxillary first and second molars, in mandibular first and second molars, and in second premolars in relation to near anatomical structures. b) A predominance of class A (86.42%) was noticed in the first premolars, between apexes of maxillary teeth and adjacent cortical plates. c) The distance between apexes of mandibular teeth and buccal cortical plates showed a predominance of medium-risk proximity (B) in all the groups, except the first premolars, with the highest risk (82.22%), and the second molars, with low-risk proximity (C) to distal and mesiobuccal apexes (91.77% and 89.62%). CBCT images are important for endodontic diagnosis and treatment, since many teeth have high risk proximity to near anatomical structures and adjacent cortical plates.

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Microbiological aspects of traumatic injuries

Cited by 13 publications

References 89 publications

New Insights into the Microbial Profiles of Infected Root Canals in Traumatized Teeth

New Insights into the Microbial Profiles of Infected Root Canals in Traumatized Teeth

Etiological factors commonly related to the need of endodontic treatment in individuals with orofacial clefts

Three Dimensional mapping of the root apex: distances between apexes and anatomical structures and external cortical plates

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