Oral and Maxillofacial Surgery Commons^™

Comparative Study Between Vitamin B 1-6-12 And Vitamin B 12 For Neurosensory Recovery After Bilateral Sagittal Split Ramus Osteotomy, Worawee Trising

Chulalongkorn University Theses and Dissertations (Chula ETD)

A major complication from Bilateral Sagittal Split Ramus Osteotomy (BSSRO) is inferior alveolar nerve injured that manifest as neurosensory disturbance (NSD) on the lower lip, chin. Although the NSD is not a life-threatening problem but it impacts the patient's daily life. Vitamin B is commonly used to treat peripheral neuropathy but it is only few study for NSD from BSSRO. The aim of this study was to evaluate the effect of oral vitamin B1-6-12 and vitamin B12 on NSD after BSSRO. The study design was as a randomized, single blinded control trial of 75 patients who were NSD from BSSRO …

Extraoral Maxillofacial Prosthesis Implant Retention Systems: A Critical Review., Hugh Byrne, Marina L. Pimentel

Articles

Objectives: The purpose of this literature review is to provide information on the different available techniques for implant-supported prosthetic retention, which are bar-clip, o-ring or magnets. Through presenting the practitioner preferences reported in literature, although limited from strict comparison due to the heterogeneity of methodologies and studied individuals, this review aims to identify the choices for maxillofacial prosthesis implant retention systems, regarding patient comfort and good aesthetic outcome, as an aid to surgical and prosthetic planning for implant-supported extraoral maxillofacial prosthetics. With proper knowledge of each implant retention system, a practitioner can design a treatment plan which allows for a …

Abutment Disconnection/Reconnection Affects Peri-Implant Marginal Bone Levels: A Meta-Analysis, Theofilos Koutouzis, Fatemeh Gholami,, John Reynolds 2435439, Tord Lundgren, Georgios A. Kotsakis

Faculty Research, Publications, and Presentations

Purpose: Preclinical and clinical studies have shown that marginal bone loss can be secondary to repeated disconnection and reconnection of abutments that affect the peri-implant mucosal seal. The aim of this systematic review and meta-analysis was to evaluate the impact of abutment disconnections/reconnections on peri-implant marginal bone level changes.
Materials and Methods: To address this question, two reviewers independently performed an electronic search of three major databases up to October 2015 complemented by manual searches. Eligible articles were selected on the basis of prespecified inclusion and exclusion criteria after a two-phase search strategy and assessed for risk of bias. A …

Patient's Perception And Satisfaction On Dental Implant Therapy By Postgraduate Dental Students And Experienced Dentists, Pat Vipattanaporn

Chulalongkorn University Theses and Dissertations (Chula ETD)

Objective: To evaluate and compare patient's perception and satisfaction between patients who received dental treatment from postgraduate dental students and experienced dentists. Material and methods: This descriptive cross-sectional study was performed in patients who received the dental implant from Faculty of dentistry Chulalongkorn University. A data collection of patient's perception and satisfaction was done by questionnaire which was sent by mail. The questionnaire contained 23 statements including 7 statements of demographic data, 7 statements of perception, and 9 statements of satisfaction. The patient had to answer through the one-best-answer multiple choices and visual analog scale (VAS). Results: The 382 participants …

Comparison Of The Accuracy Of Surgical Guided Template Produced From Intraoral Scan Technique And Model Scan Technique For Implantation Using Computer Assisted Implant Surgery, Prudsaporn Kiatkroekkrai

Chulalongkorn University Theses and Dissertations (Chula ETD)

Objectives: To compare the accuracy of implant position placed by CAIS technique using surgical guided template produced by intraoral scan and model scan. Materials and methods: Patients who needed single tooth implant restoration were enrolled in this study and devided into two groups randomly according to the surface scan technique (n=30 each group). Intraoral scans were done using the Trios Scanner (3shape). While, diagnostic casts were scanned by D900L lab scanner (3shape). The templates were design by the clinician using coDiagnostiX software (Dental Wings Inc.). Implant surgery were performed according to fully CAIS protocol. CoDiagnostiX software was used to compare …

In Vitro Effect Of L-Ascorbic Acid On Gingival Fibroblast To Regulate Wound Healing., Tatcha Chaitrakoonthong

Chulalongkorn University Theses and Dissertations (Chula ETD)

Background and Objective: Besides closing the wound by intrinsic properties like migration and proliferation, gingival fibroblasts produce a major source of extracellular matrix especially collagen and play a major role in oral wound healing. Vitamin C or L-ascorbic acid has diverse functions in the body, including an essential role in hydroxylation reactions which is necessary for collagen formation. Whether L-ascorbic acid can promote gingival wound healing through inducing proliferation of fibroblasts is of our interest. The aim of this study is to evaluate the effect of L-ascorbic acid on gingival fibroblasts behaviors to promote wound healing in vitro. Materials and …

Comparative Study Of In Vivo Bone Regeneration Using Chitosan/Dicarboxylic Acid Scaffold Implanted With Human Periodontal Ligament Cells, Teerawat Sukpaita

Chulalongkorn University Theses and Dissertations (Chula ETD)

After tooth loss, a consequent atrophy of the alveolar process always takes place and adversely affect the reconstruction process especially by dental implant. A novel chitosan/dicarboxylic acid scaffold (CS/DA scaffold) has been developed and proven to be an excellent candidate material in bone tissue engineering. This study aimed to evaluate the effects of a CS/DA scaffold with and without seeded primary human periodontal ligament cells (hPDLCs) in mouse calvarial defect model. Eighteen mice were divided into 3 groups of 6 each. Four-millimeter calvarial defects were created on both side of parietal bone and implanted with either CS/DA scaffold or CS/DA …

A Study Of The Relationship Between Job Related Stress And Temporomandibular Disorders In Accountants Working In Jakarta, Cindy Maura Saputra, Laura Susanti Himawan, Ira Tanti

Journal of Dentistry Indonesia

Stress is a known risk factor for Temporomandibular Disorders (TMD), however there are few studies of TMD in people who work in high stress jobs. Accounting is a profession known for its high levels of stress and expectation. Objective: The aim of this study is to investigate the relationship between the intensity and frequency of job related stress and the occurrence of TMD in accountants in Jakarta. Methods: A cross-sectional study, with ethics approval from the Ethical Committee of the Faculty of Dentistry, University Indonesia, was performed on 116 accountants aged 21 to 50, living in Jakarta. Subjects were asked …

Orofacial Pain Overview: Getting Rid Of The Riddles, Andrew L. Young

All Dugoni School of Dentistry Faculty Articles

While most pains that find their way to the dental office are dental in origin, some have less familiar roots: muscular, joint, neurological, headache, sinus or psychological. All of these roots can at times masquerade as a toothache. The purpose of this article is to alert the dentist to the select features of each root that distinguish it from the rest, resulting in efficient and appropriate treatment.

Analyzing The Regionalized Awareness Of Distraction Osteogenesis, Ali Weinzapfel

Mahurin Honors College Capstone Experience/Thesis Projects

There are multiple treatment options available to initiate bone growth within the oral cavity. Distraction osteogenesis is a surgical dental procedure performed to initiate new bone growth in the maxillofacial region. This procedure is an important advancement to dental professionals because of the minimal complications and great outcome of bone growth it offers. As dentistry is always evolving, it is imperative to relay current trends to other professionals within the field of dentistry. The goal of this research was to analyze the regionalized awareness of distraction osteogenesis. A survey was conducted among dentists in Kentucky and Tennessee with multiple questions …

Managing Peri-Implantitis, Namita Khandelwal

Dental Medicine Faculty Publications

This guide, used by MetLife for its dental continuing education program, focuses on the inflammatory pathology around dental implants. It outlines the risk factors and diagnostic criteria for peri-implantitis, an inflammatory process resulting in progressive loss of bone around the implant. The guide also provides treatment approaches for peri-implantitis, including surgical and non-surgical options.

Wearing Complete Dental Prostheses - Effects On Perioral Morphology, Gregor F. Raschke, Philipp Eberl, Geoffrey A. Thompson, Arndt Guentsch, Andre Peisker, Stefan Schultze-Mosgau, Marta Gomez-Dammeier, Gabriel Djedovic, Ulrich M. Rieger, Florian Beuer

School of Dentistry Faculty Research and Publications

Background: To adequately perform rehabilitation of edentulous patients by a complete removable dental prosthesis (CRDP) is from basic interest to dentists to understand the morphologic changes caused by re-establishment of a physiologic jaw relationship. Anthropometric analyses of standardized frontal view and profile photographs may help elucidate such changes. Material and Methods: Photographs of 31 edentulous patients were compared in relaxed lip closure and after insertion of a CRDP in stable occlusion. 2232 anthropometric distances were raised. Eighteen anthropometric indices reflecting the perioral morphology and its integration in the vertical facial harmony were investigated. Results: The intercanthal – mouth width index …

Longterm Quality Of Life After Oncologic Surgery And Microvascular Free Flap Reconstruction In Patients With Oral Squamous Cell Carcinoma, Andre Peisker, Gregor F. Raschke, Arndt Guentsch, Korosh Roshanghias, Francy Eichmann, Stefan Schultze-Mosgau

School of Dentistry Faculty Research and Publications

Background: Quality of life (QoL) has become increasingly important in cancer treatment. It refers to the patient’s perception of the effects of the disease and therapy, and their impact on daily functioning and general feeling of well being. Material and Methods: In this prospective study, a total of 100 patients treated at our institution, completed the European Organization for Research and Treatment of Cancer (EORTC) QLQ-C30 questionnaire and the specific EORTC QLQ-H&N35 module. The questionnaires were distributed to the patients between 12 and 60 months postoperatively. Results: Global QoL score was 58.3 and mean score for functioning scale was 76.7. …

Perception Of Differences In Lip Profile Between 2-D And 3-D, Andrew Hansen

Theses and Dissertations

Past studies evaluating the esthetics of orthodontic treatment have been done using 2-D images. New 3-D imaging offers an improved, real-life representation of a subject. The purpose of this study was to determine how laypeople perceived differences in lip position (flat versus ideal lip fullness) in 2-D compared to 3-D.

3dMD images of 8 Caucasian subjects were adjusted to an ideal and flat lip position in 3-D and then in 2-D from the profile view. 2 surveys were created with paired ideal and flat images on the screen, either in 2-D or 3-D, and evaluators were asked to choose which …

Dental Extraction Is Probably Safe For Patients With Thrombocytopenia: The Standard Of Care Is A Guide For Clinical Decision Making Related To Platelet Transfusion., Phillip So

Clinical Research in Practice: The Journal of Team Hippocrates

A critical appraisal and clinical application of Fillmore WJ, Leavitt BD, Arce K. Dental extraction in the thrombocytopenic patient is safe and complications are easily managed. J Oral Maxillofac Surg. 2013 Oct;71(10):1647-1652. doi:10.1016/j.joms.2013.05.011.

Are Pulp Sensibility Tests Still Sensible?, Huma Farid, Farhan Raza Khan, Lubna Pasha, Muhammad Saad Shinwari

Section of Dental-Oral Maxillofacial Surgery

Background:

Electric and thermal tests are the most commonly employed methods for the diagnosis of pulp health status. The objectives of our study are to assess the validity, yield and accuracy of cold and electric pulp tests in determining pulp vitality of teeth requiring endodontic treatment.

Methods:

A cross sectional study was carried out at the Dental Clinic of Aga Khan University Hospital on 75 patients requiring endodontic treatment. Before commencement of endodontic treatment, a provisional diagnosis of pulp status was made using an electric pulp tester and cold test. The tooth was then labelled as either vital or necrotic. …

Morphologic Outcome Of Bimaxillary Surgery–An Anthropometric Appraisal, Gregor F. Raschke, Ulrich M. Rieger, Andre Peisker, Gabriel Djedovic, Marta Gomez-Dammeier, Arndt Guentsch, Oliver Schaefer, Stefan Schultze-Mosgau

School of Dentistry Faculty Research and Publications

Objectives: To adequately perform orthognathic surgery procedures, it is from basic interest to understand the morphologic changes caused by orthognathic surgery. Anthropometric analyses of standardized frontal view and profile photographs could help to investigate and understand such changes. Study Design: We present a pre- to postoperative evaluation of orthognathic surgery results based on anthropometric indices described by Farkas and cephalometric measurements. 30 Class III patients undergoing maxillary advancement by Le Fort I Osteotomy and mandibular setback by bilateral sagittal split osteotomy were evaluated. Preoperative as well as three and nine months postoperative lateral cephalograms as well as standardized frontal view …

Bioerodible Calcium Sulfate Bone Grafting Substitutes With Tailored Drug Delivery Capabilities, Bryan R. Orellana

Theses and Dissertations--Biomedical Engineering

Bone regeneration or augmentation is often required prior to or concomitant with implant placement. With the limitations of many existing technologies, a biologically compatible synthetic bone grafting substitute that is osteogenic, bioerodible, and provides spacing-making functionality while acting as a drug delivery vehicle for bioactive molecules could provide an alternative to ‘gold standard’ techniques.

In the first part of this work, calcium sulfate (CS) space-making synthetic bone grafts with uniformly embedded poly(β-amino ester) (PBAE) biodegradable hydrogel particles was developed to allow controlled release of bioactive agents. The embedded gel particles’ influence on the physical and chemical characteristics of CS was …

Frequency Of Dentofacial Asymmetries: A Cross-Sectional Study On Orthodontic Patients, Nita Kumari Bhateja, Mubassar Fida, Attiya Shaikh

Section of Dental-Oral Maxillofacial Surgery

Background: Correction of orthodontic asymmetries is crucial to achieve functional occlusion, aesthetics and stability of post orthodontic treatment results. To date valid frequency data of dentofacial asymmetries in Pakistani orthodontic patients do not exist to document orthodontic treatment need. The objectives of this study were to determine frequency of dento-facial asymmetries, severity of dental asymmetries and to determine difference in frequency of dentofacial asymmetries in mixed and permanent dentition.
Methods: The sample of this cross-sectional study comprised of 280 patients (177 females and 103 males) with no history of previous orthodontic treatment having no craniofacial anomalies. Dento-facial asymmetries were assessed …

Protaper Rotary Instrument Fracture During Root Canal Preparation: A Comparison Between Rotary And Hybrid Techniques, Huma Farid, Farhan Raza Khan, Munawar Rahman

Section of Dental-Oral Maxillofacial Surgery

AIMS:

This study aimed to compare the frequency of ProTaper rotary instrument fracture with rotary (conventional) and hybrid (rotary and hand files) canal preparation techniques. Secondary objectives were to determine whether there was an association of ProTaper file fracture with the canal curvature and to compare the mean time required for canal preparation in the two techniques.

METHODS:

An in vitro experiment was conducted on 216 buccal canals of extracted maxillary and mandibular first molars. After creating an access cavity and a glide path for each canal, a periapical radiograph was taken and the canal curvature was measured with Schneider's …