OBJECTIVES: The aim of this study was to evaluate the implication of third molars in postoperative complications of mandibular angle fracture with open reduction and internal fixation (ORIF). MATERIALS AND METHODS: Data were collected on patients who presented with mandibular angle fracture at our Department of Oral and Maxillofacial Surgery between January 2011 and December 2015. Of the 63 total patients who underwent ORIF and perioperative intermaxillary fixation (IMF) with an arch bar, 49 patients were identified as having third molars in the fracture line and were followed up with until plate removal. The complications of postoperative infection, postoperative nerve injury, bone healing, and changes in occlusion and temporomandibular joint were evaluated and analyzed using statistical methods. RESULTS: In total, 49 patients had third molars in the fracture line and underwent ORIF surgery and perioperative IMF with an arch bar. The third molar in the fracture line was retained during ORIF in 39 patients. Several patients complained of nerve injury, temporomandibular disorder (TMD), change of occlusion, and postoperative infection around the retained third molar. The third molars were removed during ORIF surgery in 10 patients. Some of these patients complained of nerve injury, but no other complications, such as TMD, change in occlusion, or postoperative infection, were observed. There was no delayed union or nonunion in either of the groups. No statistically significant difference was found between the non-extraction group and the retained teeth group regarding complications after ORIF. CONCLUSION: If the third molar is partially impacted or completely nonfunctional, likely to be involved in pathologic conditions later in life, or possible to remove with the plate simultaneously, extraction of the third molar in the fracture line should be considered during ORIF surgery of the mandible angle fracture.
Humans ; Mandible ; Mandibular Fractures ; Molar, Third* ; Postoperative Complications* ; Surgery, Oral ; Temporomandibular Joint ; Temporomandibular Joint Disorders ; Tooth

Humans ; Temporomandibular Joint/diagnostic imaging* ; Temporomandibular Joint Disorders/complications* ; Calcinosis/diagnostic imaging*

Ankylosis ; etiology ; Humans ; Mandibular Condyle ; injuries ; Mandibular Fractures ; complications ; Temporomandibular Joint Disc ; injuries ; Temporomandibular Joint Disorders ; etiology

This article summarized the advances in treatment and research of temporomandibular joint surgery in the last 5 years which was presented in "The 2nd Condyle Fracture and Temporomandibular Joint Ankylosis Symposium". The content includes 5 parts: non-surgical treatment of children condyle fracture and long-term follow-up, the improvement of operative approach for condyle fracture and key techniques, the importance and the method for the simultanesous reduction of disc in condylar fracture treatment, the development of traumatic temporomandibular joint ankylosis similar to hypertrophic non-union and the improved safety and accuracy by applying digital surgery in joint surgery.
Ankylosis ; etiology ; Humans ; Mandibular Condyle ; injuries ; Mandibular Fractures ; complications ; therapy ; Temporomandibular Joint ; surgery ; Temporomandibular Joint Disorders ; etiology

Animals ; Estrogens ; metabolism ; Gene Expression Regulation ; Humans ; Osteoarthritis ; complications ; genetics ; metabolism ; Pain ; etiology ; Pain Measurement ; Temporomandibular Joint ; pathology ; Temporomandibular Joint Disorders ; complications ; genetics ; metabolism ; Wnt Signaling Pathway

OBJECTIVETo analyze the relationship between symptoms and signs of temporomandibular disorders (TMD) and the patients' quality of life (QOL).

METHODSA total of 492 TMD patients were included in this study. The clinical examination results were recorded using Fricton index of temporomandibular joint function. "Visual analog scale (VAS) evaluation of QOL disturbance" was designed to quantitate patients' QOL, to evaluate the degree that the patients QOL was affected.

RESULTSChewing, daily life and emotion among all 8 items of QOL were frequently affected by TMD, and joint clicking had the least influence on QOL. Intermittent closed lock had more severe interference with QOL than joint clicking only. Severe and moderate pain or limited mouth opening affected the QOL more severely than mild pain or mild limited mouth opening. The simple linear relationship between Fricton index and patients' QOL was poor (r < 0.4).

CONCLUSIONSPain is the most frequently seen symptom in TMD. TMD could affect patients' QOL, including both physical and social-psychological functions. The results suggest that the patients' QOL as well as TMD symptoms and signs should be considered in the management of TMD.

Adult ; Facial Pain ; etiology ; Female ; Humans ; Male ; Quality of Life ; Temporomandibular Joint Disorders ; complications

OBJECTIVETo investigate the states of chronic symptoms of other parts of the body concomitant with temporomandibular joint (TMJ) pain.

METHODSFifty-one patients with TMJ pain and thirty-one control subjects without TMJ symptoms were chosen randomly. The TMJ symptoms and chronic symptoms of other regions were investigated at the base line. The TMJ pain patients were investigated again half year after treatment. Between-symptom correlations were analyzed using linear regression and Chi-squared analysis method (alpha = 0.05).

RESULTSThe chronic symptoms related to the TMJ pain at the base line were headache, back pain, numbness of hand, neck and shoulder pain, insomnia, dizziness, reduced hearing ability, eye pain and fatigue (P < 0.05). The incidences of the symptoms of patients were higher than those of the control subjects (P < 0.01). Half year later, the headache, neck and shoulder pain and fatigue were the symptoms improved with the TMJ pain treatment (P < 0.05).

CONCLUSIONThe symptoms of adjacent regions of orofacial area such as neck and shoulder pain and headache are the main concomitant symptoms of the TMJ pain, and these symptoms may be improved by the treatment of TMJ.

Adolescent ; Adult ; Aged ; Facial Pain ; complications ; Female ; Headache ; complications ; Humans ; Male ; Middle Aged ; Neck Pain ; complications ; Shoulder Pain ; complications ; Temporomandibular Joint Disorders ; complications ; Young Adult

Adolescent ; Adult ; Ankylosis ; complications ; surgery ; Female ; Humans ; Imaging, Three-Dimensional ; Male ; Micrognathism ; complications ; surgery ; Models, Anatomic ; Skull ; anatomy & histology ; Temporomandibular Joint Disorders ; complications ; surgery ; Young Adult

OBJECTIVETo approach the treatment of severe micrognathia accompanying obstructive sleep apnea hypopnea syndrome (OSAHS) with rigid external distractor (RED) in children.

METHODSSix cases patients (4 males, 2 females) aged between 1.5 and 14 years, were diagnosed as ankylosis of temporomandibular joint severe micrognathia, and OSAHS. Under the nasal intubation and general anesthesia, the surgical procedures were performed by submandibular approach and osteotomy was done in mandible body. Mini plate was fixed and connected to RED. The distraction procedure was carried out

RESULTSPatients' profile, posterior airway space, and the results of polysomnography were improved significantly. There were no complications. Four months after removing the RED, the new bone was well formed.

CONCLUSIONSRED technique has advantages of uncomplicated procedures, high quality of new bone formation, and accurate regulation in the treatment of micrognathia. It is especially suitable for the treatment of children with severe micrognathia whose mandibular body is too small to insert the internal distractor.

Adolescent ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Male ; Mandible ; surgery ; Micrognathism ; complications ; surgery ; Osteogenesis, Distraction ; methods ; Sleep Apnea, Obstructive ; complications ; surgery ; Temporomandibular Joint Disorders ; complications ; surgery ; Treatment Outcome

OBJECTIVETo study the prevalence of temporomandibular disorders (TMD) in 352 aged edentulous individuals in Beijing area and to analyze the correlative risk factors.

METHODSThree hundred and fifty-two aged edentulous subjects were included in the study (198 males and 154 females). The adopted questionnaire was designed according to Helkimo index, and the subjects were examined by the same examiner who would record every result as well.

RESULTSThe prevalence of TMD's clinical positive signs in the edentulous subjects was 43.2% (152/352), among which temporomandibular joint (TMJ) noise [34.1% (120/352)] was the highest prevalent sign while TMJ pain on movemert was the lowest. The prevalence of mandibular movement deviation [18.2% (64/352)] fitted in between. The prevalence of TMD's clinical positive signs of male individuals was 36.9% (73/198), and the female was 51.3% (79/154). There was a significant difference in prevalence of TMD's clinical positive signs between males and females (P = 0.0067 < 0.01). The prevalence of TMD's clinical positive signs in denture wearing group was 38.6% (91/236) and that in no denture group was 52.6% (61/116). There was a significant correlation between the prevalence of TMD's clinical positive signs and wearing denture [P = 0.0125 < 0.05, OR = 1.767 (1.130 ∼ 2.763)].

CONCLUSIONSGender and malocclusion may be the risk factors of TMD in edentulous individuals.

Aged ; Aged, 80 and over ; Dentures ; Female ; Humans ; Jaw, Edentulous ; complications ; Male ; Malocclusion ; complications ; Middle Aged ; Risk Factors ; Sex Factors ; Temporomandibular Joint Disorders ; complications