scholarly journals Uprighting an Impacted Permanent Mandibular First Molar Associated with a Dentigerous Cyst and a Missing Second Mandibular Molar—A Case Report

2019 ◽  
Vol 7 (3) ◽  
pp. 63 ◽  
Author(s):  
Konstantina Tsironi ◽  
Emmanouil Inglezos ◽  
Emmanouil Vardas ◽  
Anastasia Mitsea
Keyword(s):  
Dentigerous Cyst ◽  
Interdisciplinary Approach ◽  
Patient Comfort ◽  
Radiographic Evaluation ◽  
Bone Apposition ◽  
Second Molar ◽  
Mandibular Molar ◽  
Advantageous Position ◽  
Mandibular Second Molar ◽  
Mandibular First Molar

The purpose of this paper is to present a case of an impacted mandibular first molar associated with a dentigerous cyst and a missing mandibular second molar in an 11-year-old girl that was treated with combined surgical and orthodontic procedures. After clinical and radiographic evaluation, marsupialization of the cyst was decided, and a molar attachment was bonded on the buccal side of the impacted molar as a part of a full orthodontic treatment with fixed appliances. After 18 months of orthodontic traction, the molar was moved to a more advantageous position, and new bone apposition was observed on the site of the cystic lesion. Histological examination confirmed a dentigerous cyst. The molar was left to erupt spontaneously for 14 more months. A functional occlusion was finally achieved. An interdisciplinary approach proved to be an effective modality in treating a large dentigerous cyst associated with a deeply impacted first mandibular molar, presenting many advantages, such as new bone apposition and patient comfort.

scholarly journals Uprighting Impacted Mandibular Second Molar Using a Skeletal Anchorage: A Case Report

2020 ◽  
Vol 8 (4) ◽  
pp. 129
Author(s):  
Federica Altieri ◽  
Rosanna Guarnieri ◽  
Martina Mezio ◽  
Gabriella Padalino ◽  
Angela Cipollone ◽  
...  
Keyword(s):  
Case Report ◽  
Treatment Time ◽  
Skeletal Anchorage ◽  
Impacted Tooth ◽  
Short Treatment ◽  
Second Molar ◽  
Advantages And Disadvantages ◽  
Mandibular Molar ◽  
Mandibular Second Molar ◽  
The Impact

The aim of this case report is to present an innovative combined orthodontic-surgical technique to disimpact mandibular second molar (MM2) using an orthodontic miniscrew and an elastic chain. The impact on the Oral health-related quality of life (OHRQoL) was also evaluated. Using the present techinique, it is possible to expose the impacted tooth, insert a self-drilling miniscrew in the retromolar area, and remove the bud of third mandibular molar. At the same time the orthodontic force is applied with the use of an elastomeric chain that connects the head of miniscrew and vestibular and oral buttons bonded on MM2. A close traction is performed for the whole treatment time without the reactivation of the elastic force. The use of skeletal anchorage allowed the disimpaction of impacted MM2 in a short treatment time (about three months) avoiding the typical biomechanical side effects of traditional orthodontic appliance and increasing the effectiveness of the treatment. Further studies are necessary to evaluate the real advantages and disadvantages of this combined orthodontic-surgical approach.

scholarly journals Factors associated with spontaneous mesialization of impacted mandibular third molars after second molar protraction

2019 ◽  
Vol 90 (2) ◽  
pp. 181-186
Author(s):  
Un-Bong Baik ◽  
Jin Hye Kang ◽  
Ui-Lyong Lee ◽  
Nikhilesh R Vaid ◽  
Yoon-Ji Kim ◽  
...  
Keyword(s):  
Third Molar ◽  
Regression Analyses ◽  
Third Molars ◽  
Second Molar ◽  
Factors Associated ◽  
The Third ◽  
Mandibular Second Molar ◽  
Impacted Mandibular Third Molars ◽  
Mandibular Third Molars ◽  
Mandibular First Molar

ABSTRACT Objectives: To investigate factors associated with spontaneous mesialization of impacted third molars after second molar protraction to close the space caused by a missing mandibular first molar (L-6) or retained deciduous mandibular second molars with a missing succedaneous premolar (L-E). Materials and Methods: Panoramic radiographs of patients treated with mandibular second molar protraction to close the space due to missing L-6 or L-E (14 males, 36 females, mean age = 18.6 ± 4.4 years) were analyzed before treatment (T1) and after second molar protraction (T2). Factors associated with the amount of third molar mesialization were investigated using regression analyses. Results: Mandibular second molars were protracted by 5.1 ± 2.1 mm and 5.8 ± 2.7 mm, measured at the crown and root furcation, respectively. After second molar protraction, third molars showed spontaneous mesialization by 4.3 ± 1.6 mm and 3.8 ± 2.6 mm, measured at the crown and root furcation, respectively. Nolla's stage of the third molar at T1 (B = 0.20, P = .026) and second molar protraction time (B = 0.04, P = .042) were significantly associated with the amount of third molar mesialization. Conclusions: Greater third molar mesialization was observed when Nolla's stage of the third molar was higher before treatment and when the second molar protraction time was longer.

scholarly journals Bone availability for mandibular molar distalization in adults with mandibular prognathism

2017 ◽  
Vol 88 (1) ◽  
pp. 52-57 ◽  
Author(s):  
Young Tak Choi ◽  
Yoon-Ji Kim ◽  
Kyung-Sook Yang ◽  
Dong-Yul Lee
Keyword(s):  
Mixed Models ◽  
Class I ◽  
Class Iii ◽  
Class Iii Malocclusion ◽  
Molar Distalization ◽  
Mandibular Prognathism ◽  
Second Molar ◽  
Mandibular Molar ◽  
Mandibular Second Molar ◽  
The Right

ABSTRACT Objectives: To investigate the retromolar space available for molar distalization in patients with mandibular prognathism. Materials and Methods: Using cone-beam computed tomography, the posterior mandibular dimensions in 110 consecutive patients with Class I or Class III malocclusion were measured (mean age, 27.0 ± 7.1 years). The shortest linear distances from the distal root of the right mandibular second molar to the inner border of the mandibular cortex were measured at the level of root furcation and 2, 4, and 6 mm apical to the furcation along the sagittal line and the posterior line of occlusion. The retromolar distances were compared between the Class I and Class III malocclusion groups using general linear mixed models. Results: The retromolar space measured through the sagittal line showed no significant intergroup difference. Among the distances measured through the posterior line of occlusion, the space measured at depths 0 and 2 mm to the furcation were significantly greater in the Class III group than in the Class I group. Conclusions: Patients with Class III malocclusion have greater retromolar space for mandibular molar distalization along the posterior line of occlusion only at the level of the second molar furcation.

scholarly journals Eruption Guidance of Horizontally Impacted Permanent First Molar with Primary Retention of Primary Second Molars: Case Reports

2020 ◽  
Vol 47 (2) ◽  
pp. 219-227
Author(s):  
Garam Yoon ◽  
Nanyoung Lee ◽  
Sangho Lee ◽  
Myeongkwan Jih
Keyword(s):  
Oral Cavity ◽  
Developmental Process ◽  
Case Reports ◽  
Tooth Eruption ◽  
Alveolar Process ◽  
Primary Molar ◽  
Second Molar ◽  
Mandibular Second Molar ◽  
Mandibular First Molar ◽  
Tooth Migration

Tooth eruption involves a complex developmental process of tooth migration from the dental follicular origin to the final occlusion position in the oral cavity via the alveolar process. Disturbance of tooth eruption can occur at any point in a series of eruption stages; however, horizontal impaction of the mandibular first molar and primary retention of the primary mandibular second molar are rarely observed simultaneously. This study describes the treatment for two cases of horizontally impacted first molar with primary retention of primary molar. The primary retention of the primary mandibular second molar was extracted, and orthodontic traction was applied to the horizontally impacted primary mandibular first molar. Subsequently, displacement of the premolar tooth bud was improved and space regaining for eruption was achieved, guiding to normal eruption of the first molar.

scholarly journals Segundos molares mandibulares permanentes impactados en pacientes de 8 a 15 años del programa de presupuesto participativo de Medellín, Colombia / Impacted Permanent Lower Second Molar in 8-to-15-Year-Old Patients...

2018 ◽  
Vol 36 (77) ◽  
Author(s):  
Vanessa David-Pérez ◽  
Laura Milena Ospina-Tabares ◽  
Matdel Orfindey Carmona-Salcedo ◽  
Brayan Joseth Muriel-Urrego ◽  
Gabriel Emilio Espinal-Botero ◽  
...  
Keyword(s):  
Early Diagnosis ◽  
Descriptive Statistics ◽  
Occlusal Plane ◽  
Radiographic Analysis ◽  
Old Patients ◽  
Panoramic Radiographs ◽  
Second Molar ◽  
Angular Measurements ◽  
Mandibular Second Molar ◽  
Mandibular First Molar

RESUMEN. Antecedentes: La impactación de segundos molares mandibulares permanentes (2MM) se presenta con variaciones considerables según el grupo poblacional. Además de los problemas asociados a esta alteración, podrían requerir tratamientos múltiples y complejos. Por lo tanto, el diagnóstico temprano de una alteración en el proceso de erupción del 2MM es imperativo para reducir el riesgo de impactación, la dificultad de tratamiento y la aparición de problemas asociados en las poblaciones. Propósito: Describir las características de impactación del 2MM en pacientes de 8 a 15 años en una muestra de Medellín, Colombia. Métodos: En este estudio descriptivo retrospectivo se evaluaron 1756 radiografías panorámicas de las cuales 95 presentaron impactación de 2MM. Estas se analizaron según sexo, localización en la mandíbula y tipo de inclinación, y se realizaron 13 mediciones lineales y angulares para identificar parámetros dentoesqueléticos característicos del lado de la impactación. Para el análisis de los datos se utilizó estadística descriptiva y la prueba t (p<0,05). Resultados: La prevalencia de impactación fue del 5,4 %. La impactación bilateral con inclinación mesial fue la más frecuente. El lado izquierdo predominó en impactaciones unilaterales. El único parámetro dentoesquelético característico de impactación fue el ángulo de inclinación del 2MM con respecto al plano oclusal, con mayor severidad en el lado izquierdo. Conclusiones: Un ángulo igual o mayor a 112,94° podría indicar riesgo de impactación contra el primer molar mandibular permanente. Por lo tanto, este parámetro debería ser incluido en el análisis radiográfico para el diagnóstico temprano de impactación del 2MM. ABSTRACT. Background: Permanent mandibular second molar (MM2) impaction has considerable variations depending on the population. In addition to the problems associated to this condition, it could require multiple and complex treatments. Therefore, early diagnosis of any MM2 eruption alteration is mandatory. This approach could reduce the risk of impaction, the difficulty of treatment, and the occurrence of associated problems in the population. Purpose: To describe the characteristics of MM2 impaction in an 8-to-15-year-old sample of patients from Medellin, Colombia. Methods: 1756 panoramic radiographs were evaluated in this descriptive retrospective study. 95 had impacted MM2s. These radiographs were analyzed according to sex, localization in the mandible, and type of inclination. 13 lineal and angular measurements were taken to identify characteristic dentoskeletal parameters of the impaction side. Descriptive statistics and t test were used (p< 0.05) for data analysis. Results: The prevalence of impaction was 5.41 %. Mesial bilateral impaction was more frequent. The left side was predominant in unilateral impactions. The only dentoskeletal characteristic of impaction was the MM2 inclination angle with respect to the occlusal plane, with higher severity on the left side. Conclusion: A > 112.94° angle could indicate impaction risk against the permanent mandibular first molar. Therefore, this parameter should be included in the radiographic analysis for MM2 impaction early diagnosis.

scholarly journals Single Canal in a Single-Rooted Mandibular Second Molar: A Paradox

2018 ◽  
Vol 2 (6) ◽  
pp. 131-132
Author(s):  
Anil K Tomer ◽  
Akankshita Behera ◽  
Nitish Mittal ◽  
Nutan Indwar
Keyword(s):  
Case Report ◽  
Root Canal ◽  
Anatomical Variations ◽  
Canal System ◽  
Second Molar ◽  
Root Canals ◽  
Mandibular Molar ◽  
Mandibular Second Molar ◽  
Root Canal System ◽  
Endodontic Diagnosis

During endodontic diagnosis multirooted teeth morphologically, shows variable root canal system . This case report explains the anatomical variations of root and root canals. Here it is shown that a single canal is present in mandibular second molar. Therefore we should be aware that a single canal can also be present in mandibular molar.

scholarly journals Dentigerous Cyst associated with Unerupted Mandibular Second Molar: An Unusual Entity

2018 ◽  
Vol 9 (1) ◽  
pp. 31-33 ◽  
Author(s):  
Abhay Kamath ◽  
Keerthilatha M Pai ◽  
Ravindranath Vineetha ◽  
Sakshi Kamra ◽  
Adarsh Kudwa
Keyword(s):  
Dentigerous Cyst ◽  
Second Molar ◽  
Mandibular Second Molar

scholarly journals Relationship between dental calcification and skeletal maturation in a Peruvian sample

2017 ◽  
Vol 22 (3) ◽  
pp. 89-96 ◽  
Author(s):  
Rocío M. Lecca-Morales ◽  
Marcos J. Carruitero
Keyword(s):  
Cervical Vertebrae ◽  
Skeletal Maturation ◽  
Growth Spurt ◽  
Mandibular Growth ◽  
Exact Test ◽  
Second Molar ◽  
Pubertal Growth ◽  
Mandibular Molar ◽  
Maturation Stages ◽  
Mandibular Second Molar

ABSTRACT Objective: the objective of the study was to determine the relationship between dental calcification stages and skeletal maturation in a Peruvian sample. Methods: panoramic, cephalometric and carpal radiographs of 78 patients (34 girls and 44 boys) between 7 and 17 years old (9.90 ± 2.5 years) were evaluated. Stages of tooth calcification of the mandibular canine, first premolar, second premolar, and second molar and the skeletal maturation with a hand-wrist and a cervical vertebrae method were assessed. The relationships between the stages were assessed using Spearman’s correlation coefficient. Additionally, the associations of mandibular and pubertal growth peak stages with tooth calcification were evaluated by Fisher’s exact test. Results: all teeth showed positive and statistically significant correlations, the highest correlation was between the mandibular second molar calcification stages with hand-wrist maturation stages (r = 0.758, p < 0.001) and with vertebrae cervical maturation stages (r = 0.605, p < 0.001). The pubertal growth spurt was found in the G stage of calcification of the second mandibular molar, and the mandibular growth peak was found in the F stage of calcification of the second molar. Conclusion: there was a positive relationship between dental calcification stages and skeletal maturation stages by hand-wrist and cervical vertebrae methods in the sample studied. Dental calcification stages of the second mandibular molar showed the highest positive correlation with the hand-wrist and cervical vertebrae stages.

scholarly journals A Case of Unusual Anatomy in Second Mandibular Molar with Four Canals

2008 ◽  
Vol 02 (03) ◽  
pp. 217-219 ◽  
Author(s):  
C. Maniglia-Ferreira ◽  
Fábio de Almeida-Gomesa ◽  
Bruno Carvalho de Sousa ◽  
Carla Cabral dos Santos Acioli Lins ◽  
Roberto Alves dos Santos
Keyword(s):  
Root Canal ◽  
Root Canal Treatment ◽  
Canal System ◽  
Anatomical Features ◽  
Second Molar ◽  
Root Canals ◽  
Mandibular Molar ◽  
Canal Systems ◽  
Mandibular Second Molar ◽  
Root Canal System

ABSTRACTSuccess in root canal treatment is achieved after thought cleaning and shaping followed by the complete obturation of root canal system. Such treatment may be performed in root canal systems that do not comply with the normal anatomical features described in standard textbooks. This article describes the conventional root canal treatment on an unusual mandibular second molar with four root-canals. (Eur J Dent 2008;2:217-219)

Sign in / Sign up

Export Citation Format

Share Document