Caldwell-Luc procedure for retrieval of displaced root in the maxillary sinus.

Objective: The aim of this study was to describe the standard diagnostic procedure and the application of the Caldwell-Luc approach for the retrieval of a displaced root from the maxillary sinus and to share our experience in treating this complication.

Study Design: Twenty-four patients with a fractured root accidentally displaced into the maxillary sinus were referred by general dentists to our department from 2005 to 2008. All were managed by a standardized diagnostic procedure and a Caldwell-Luc approach.

Splint therapy for disc displacement with reduction of the temporomandibular joint. part I: modified mandibular splint therapy.

The aims of this preliminary study were to present a modified mandibular splint together with a treatment regimen and to evaluate their effects on the treatment of reciprocal joint sounds of the temporomandibular joint (TMJ). The study participants were recruited from 312 consecutive patients in the temporomandibular disorder clinic of a medical center in Taiwan from January 2003 to December 2003. From among these, 59 cases with typical reciprocal clicking were selected for this study.

Mucoceles of the oral cavity in pediatric patients.

Mucoceles are quite common in the oral cavity, but reports on pediatric patients are very rare. The aims of this study were to present our data and experience in the treatment of mucoceles of the oral cavity in pediatric patients, to compare them with those of other countries, and to remind the pediatric physician to devote much attention to lesions of the oral cavity in children. This retrospective study is based on the record of the patients who received surgical treatment for mucoceles of the oral cavity with pathologic confirmation at the Department of Dentistry, Kaohsiung Medical University Hospital, Taiwan, between 2000 and 2004.

Gap coronoidotomy for management of coronoid process hyperplasia of the mandible.

Patients with coronoid process hyperplasia of the mandibular area are rare. The treatment of this disease is to increase the patient's mouth opening by surgery. There are various, but controversial, methods to treat it.

Comparing dose-response measurements of oral habits on oral leukoplakia and oral submucous fibrosis from a community screening program.

Background: Many studies have reported that the interaction and dose-response effects of betel quid chewing, tobacco smoking and alcohol drinking habits are important risk factors for oral cancer and precancerous lesions or conditions. These results are useful for comparing statistics, but may not be informative for personal disease-related information.

Methods: This study used data from a community screening program to evaluate the dose-response effects of daily frequency and duration from oral habits in Taiwan.

Extensive subcutaneous emphysema after extraction of a mandibular third molar: a case report.

Surgical emphysema is an uncommon but potentially serious complication of third molar removal and other oral procedures. The purpose of this case report is to remind dentists of the risk of surgical emphysema. Surgical emphysema developed in a 32-year-old female after removal of a mandibular third molar using a high-speed dental hand-piece.

Malignant transformation of oral potentially malignant disorders in males: a retrospective cohort study.

Background: Oral squamous cell carcinoma could be preceded by clinically evident oral potentially malignant disorders (OPMDs). Transformation of OPMDs to cancer has been studied in several population groups. It is difficult to undertake comparisons across populations due to variations in the methods of computation of malignancy rates among different studies.

Artificial dermis as the substitute for split-thickness skin graft in the treatment of oral submucous fibrosis.

Objectives: The aim of this study was to investigate the viability of artificial dermis as a substitute for split-thickness skin graft in the treatment of oral submucous fibrosis (OSF).

Methods: The study was conducted on 21 patients who had undergone surgical treatment of trismus caused by OSF. Artificial dermis grafts were used to repair the surgical defects after surgery on the fibrous bands.

Eye patch sandwich technique for stabilizing the intraoral skin graft to the cheek.

It is very important to secure skin graft in the defect of oral cavity. The tie-over bolster technique is the most common method for securing intraoral skin grafts. However, gauze is the best material as a bolster that can easily accumulate saliva and debris and cause odor and discomfort to the patient.

Conditional survival rates of buccal and tongue cancer patients: how far does the benefit go?

The purpose of this study was to investigate the conditional survival probability in buccal and tongue cancer patients, and to identify the limit of increment in conditional survival probabilities after first diagnosis. This study retrospectively analyzed 339 consecutive patients with either buccal or tongue caner. The conditional survival probability was computed by Kaplan-Meier estimates, and the pair-wise Log-rank tests with Bonferroni correction were used to evaluate differences among conditional survival curves.

Intraoral vertical ramus osteotomy for correction of mandibular prognathism: long-term stability.

Various techniques and modifications have been introduced in the treatment of mandibular prognathism. However, there are still few reports concerning long-term stability, especially using the intraoral vertical ramus osteotomy (IVRO) method. The purpose of this study was to investigate the long-term stability for correction of mandibular prognathism using IVRO.

Interdisciplinary management of unfavorable posterior intermaxillary space.

The patient was a case of severe dentoalveolar extrusion of the right maxillary posterior segment due to early loss of mandibular molars. Therefore, it is difficult to replace the missing teeth with either fixed or removable prostheses. Her occlusion was Angle Class II malocclusion and no mandibular molars for anchorage on the right side.

Importance of patient's cooperation in surgical treatment for oral submucous fibrosis.

Purpose: The aim of this study was to investigate the results of surgical treatment for oral submucous fibrosis (OSF) in patients who did or did not cooperate with the rehabilitation regimen.

Patients And Methods: There were 54 patients who had surgical treatment of trismus caused by OSF. Split-thickness skin grafts were used to repair surgical defects after surgery on the fibrous bands.

Proximal tibial bone harvesting under local anesthesia without intravenous sedation in the dental office: a case report.

Maxillary sinus enlargement often occurs in the maxillary posterior edentulous area and reduces the available bone height for implantation. Therefore, maxillary sinus lift and bone graft procedures are necessary to provide sufficient available bone. Autogenous bone grafting is the best base for implant osseointegration.

Effective eradication of oral verrucous carcinoma with continuous intraarterial infusion chemotherapy.

Background: We evaluated the effectiveness of intraarterial methotrexate infusion as a primary therapy for oral verrucous carcinoma (VC).

Methods: Fifteen male patients (mean age, 55 years) were included. By using an implantable port-catheter system and a portable pump, methotrexate was continuously infused to the external carotid artery for a mean period of 7.

The use of artificial dermis for surgical defects in the treatment of oral premalignant lesions.

Background: This study investigated the application of an artificial dermis as a substitute for split-thickness skin graft in an oral mucosal defect after excision of a premalignant lesion.

Methods: We examined a total of 125 sites repaired with artificial dermis in 84 patients. Forty-one of 84 patients had two different defects and 43 had a single defect.

Surgical management of accidentally displaced mandibular third molar into the pterygomandibular space: a case report.

Surgical removal of the mandibular third molar is a regular surgical procedure in dental clinics, and like all operations, it may have some complications, such as infection, bleeding, nerve injuries, trismus and so on. An accidentally displaced lower third molar is a relatively rare complication, but may cause severe tissue injury and medicolegal problems. As few papers and cases have been published on this topic, we report this case to remind dentists on ways to prevent and manage this complication.

Artificial dermis graft on the mandible lacking periosteum after excision of an ossifying fibroma: a case report.

Collagen-based grafts have often been used as artificial tissue substitutes for the repair of tissue and organ defects. It is common surgical knowledge that autogenous or artificial skin grafts take well on the intact periosteum of bone. However, many experienced surgeons indicate that autogenous or artificial skin grafts subsist poorly on the bone surface without periosteum.

The use of miniplate osteosynthesis for skeletal anchorage.

Background: The purpose of this study was to explore the use of miniplates as skeletal anchorages for orthodontic treatment and to investigate the stability of miniplates and the causes of failure.

Methods: Forty-four miniplates were applied in the maxilla or mandible as skeletal anchorages in orthodontic treatment. Two weeks later, a force of 100 to 200 g was applied by an elastometric chain or nickel-titanium coil spring to move the teeth.

Surgical management of ameloblastoma in children.

Objective: The purpose of this study was to report experience in the treatment of ameloblastoma in Taiwanese children and to discuss the treatment regimen.

Study Design: Fifteen patients, all younger than 18 years of age, with a diagnosis of ameloblastoma in our department between January 1991 and December 2004 were selected for study. Data included sex, age at surgery, tumor type, size and site of lesion, primary surgical methods, use of adjuvant therapy, complications, recurrences, and course of follow-up.

The displaced lower third molar: a literature review and suggestions for management.

Purpose: To review the literature associated with displaced lower third molars, to introduce a modified method of retrieval of an accidentally displaced lower third molar tooth or root fragment, and to recommend rational guidelines for management.

Materials And Methods: A review of the literature was performed to record the types of displacements, patient's personal data, imaging used, and the surgical approaches with their complications. A modified technique for exploration and retrieval is described.

Consumption of areca quid, cigarettes, and alcohol related to the comorbidity of oral submucous fibrosis and oral cancer.

Objective: Oral submucous fibrosis (OSF) is defined as a precancerous condition, and it is also commonly seen in clinical practice, coexisting with oral cancer. The aim of this study was to identify the effects of areca quid, cigarette, and alcohol on the coexistence of oral cancer and OSF.

Study Design: This is a case-control study.

Treatment of mucocele of the lower lip with carbon dioxide laser.

Purpose: The aim of this report was to evaluate the outcome and complications of the treatment of numerous patients with mucoceles of lower lip by means of CO(2) laser vaporization.

Materials And Methods: This study included 82 patients with biopsy-confirmed mucocele of the lower lip who were treated with CO(2) laser vaporization from January 1999 to December 2003; the data on recurrence and complications were collected.

Results: There was a recurrence in 2 cases.