Vaibhav Gandhi

• B.D.S., M.D.S., M.S.D. Orthodontics and Dentofacial Orthopaedics
• Primary Orthodontist at Canadian Orthodontic Partners

Background Human saliva has been identified as a novel, practical, and noninvasive source of biomarkers and genetic materials. However, it is equally challenging due to the availability of an abundance of impurities in the form of microbes and other proteinaceous compounds. The objective of this study was to develop a robust, reproducible, and econ...

Introduction: The primary objective of the study was to quantitatively analyze the width and height of the mandibular buccal shelf area (MBS) at 3 different potential locations for mini-implant placement. In addition, we aimed to compare and contrast the bone parameters of the MBS to study the correlation between different growth status (growing or...

Objectives The primary objective was to compare the success and survival rates of palatal and buccal mini-implants for different locations and treatment requirements. The secondary objective was to evaluate risk factors influencing the survival of mini-implants. Materials and Methods In this retrospective cohort, records of 127 orthodontic patient...

Introduction: The center of resistance (CRes) is regarded as the fundamental reference point for predictable tooth movement. Accurate estimation can greatly enhance the efficiency of orthodontic tooth movement. Only a handful of studies have evaluated the CRes of a maxillary first molar; however, most had a low sample size (in single digits), used...

Objectives To assess the infrazygomatic crest (IZC) and palatal bone width, height, and angulation in patients with different vertical facial growth types as potential miniscrew insertion sites. Materials and Methods In this retrospective cone-beam computed tomography study, 162 subjects (81 males and 81 females, mean age 16.05 ± 0.65 years) were...

Cone beam computed tomography (CBCT) technology is increasingly utilized in the head and neck region and is valuable in treatment planning for cleft palate patients, potentially enabling the creation of 3D-printed obturators to assist with feeding and speech. This technical report investigates the feasibility of using data from a 360-degree CBCT sc...

Background The condylar and glenoid fossa morphology can alter in patients with temporomandibular disorders (TMD), which can lead to changes in the temporomandibular joint (TMJ) space volume. Volumetric evaluation of TMJ can represent the entire three-dimensional (3D)-joint space between the condyle and glenoid fossa. Aims To perform 3D assessment...

Degenerative Joint Disorders (DJD) of the Temporomandibular Joint (TMJ) represent a challenging and multifaceted group of conditions that severely impact the joint's function and quality of life. This comprehensive review delves into the etiology, pathogenesis, clinical manifestations, and contemporary management strategies of TMJ-OA. While systemi...

Objective The study was focused on evaluating the change in mandibular morphology following the Twin Block appliance therapy and recording its effect on the maxilla and maxillary dentoalveolar complex. Also, the results of the Twin Block appliance between males and females were compared. Material and methods In this two-armed retrospective cephalo...

Assess the available scientific literature regarding the direction and extent of condylar positional changes during the first year of post-surgical orthodontics interventions in class III patients. PubMed, Cochrane Library, Embase, and Google Scholar databases were searched up to March 2022 for studies involving the measurement of condylar position...

Introduction The primary objective of this study was to quantitatively analyze the skeletal and dentoalveolar parameters following the mandibular expansion with a banded appliance. It was also part of the study to evaluate the amount of dental expansion and assess the change in the intermolar and individual first molar angulation. The basal bone pa...

Purpose: To compare the standard 360-degree CBCT acquisition protocol to the low dose 180-degree CBCT protocol for implant planning. Materials and methods: Two groups of patients, each consisting of 35 patients, were included in the study. The first group was imaged with the conventional 360-degree CBCT protocol, and the second group was imaged...

This study aimed to systematically gather and analyze the current level of evidence for the effectiveness of the vibrational force in accelerating orthodontic tooth movement (OTM). This systematic review was conducted using three electronic databases: Scopus, PubMed, and Google Scholar until March 2022. The search was done through the following jou...

Abstract Aim To evaluate the correspondence between the interproximal reduction (IPR) performed clinically and that programmed in ClinCheck® and further assess which teeth showed an amount of implemented IPR (I-IPR) that corresponds with that programmed in ClinCheck®. Materials and methods Pre- (T0) and post-treatment (T1) ClinCheck® digital models...

Background and objectives: The aim of this systematic review and meta-analysis was to evaluate root resorption after maxillary expansion with conventional rapid palatal expansion (RPE) and mini-screw assisted rapid palatal expansion appliances (MARPE) using 2D and 3D radiographic methods and histologic methods of measuring root resorption. Search...

In orthodontics, patients with hyperdivergent facial types or problems in the vertical dimension are often challenging to treat with predictable treatment results. Conventionally along with fixed appliances, a headgear, posterior bite block, extraction, temporary anchorage devices, or orthognathic surgery are preferable approaches to treat such pat...

Background and objective The primary purpose of this study was to compare CVM staging between African American (AA) and Caucasian (CC) subjects, grouped based on gender. The secondary objectives were to conduct a CVM comparison of (1) male vs. female subjects, grouped based on their race, and (2) AA vs. CC subjects, categorized based on their age g...

Objectives To evaluate the long-term effects of mini-screw–assisted rapid palatal expansion (MARPE), rapid palatal expansion (RPE), and controls on the nasal cavity with cone-beam computed tomography (CBCT). Materials and Methods A total of 180 CBCT scans that were part of a previous randomized trial were evaluated retrospectively for 60 patients...

BACKGROUND With a significant rise in the use of cone beam computed tomography (CBCT) and continuous evolution of newer applications, clinicians are increasingly using CBCT scans for bone density assessment using pixel intensity values (PIVs) while planning orthodontic treatment and in assessing fracture healing and dental implant sites. Several st...

Purpose: The primary objective of this study was to analyze the thickness and height of alveolar bone around the maxillary and mandibular incisors. Additionally, this study aimed to compare bone parameters between Caucasian (CC) and African American (AA) female patients. Materials and methods: In this retrospective pilot study, 50 female subject...

Background The influence of different biological agents on the rate of orthodontic tooth movement (OTM) has been extensively reviewed in animal studies with conflicting results. These findings cannot be extrapolated from animals to humans. Therefore, we aimed to systematically investigate the most up-to-date available evidence of human studies rega...

Background The objective of this study was to evaluate the effects of single plane and multiplane rotational errors in yaw, pitch, and roll of the head while recording the lateral cephalogram on CVM (cervical vertebrae maturity) assessment. Methods A total of 40 cone-beam computed tomography (CBCT) scans and 360 lateral cephalograms were analyzed f...

Objectives To determine whether there was a correlation between patients' bone thickness and time spent in orthodontic treatment. The secondary aim was to study the influence of Angle classification, extraction treatment, and age on overall treatment duration. Materials and Methods In this retrospective study, records of 971 orthodontic patients f...

Purpose: The purpose of this study was to analyze the quantity and quality of the mandibular anterior alveolar bone in terms of alveolar width, density, and total alveolar height (TAH) based on dental status, gender, and age. Additionally, this study aimed to quantitatively evaluate the available alveolar height for graft harvesting (AHGH) and exa...

Purpose: This study investigated the prevalence of temporomandibular joint osteoarthritis (TMJ-OA) using the Research Diagnostic Criteria for Temporomandibular Disorders image analysis criteria, assessed the severity of incidental osteoarthritic changes affecting the TMJ, and evaluated the correlations of sex and age with the prevalence and severi...

Introduction The objective of this study was to classify median palatine suture (MPS) maturation type in young and adult patients. Additionally, we compared MPS maturity type and density based on sex and growth status. Materials and methods In this retrospective cone beam computed tomography study, we included a total of 221 subjects, grouped base...

The center of resistance (CRES) is regarded as the fundamental reference point for predictable tooth movement. The methods used to estimate the CRES of teeth range from traditional radiographic and physical measurements to in vitro analysis on models or cadaver specimens. Techniques involving finite element analysis of high-dose micro-CT scans of m...

The center of resistance (CRES) is regarded as the fundamental reference point for predictable tooth movement. The methods used to estimate the CRES of teeth range from traditional radiographic and physical measurements to in vitro analysis on models or cadaver specimens. Techniques involving finite element analysis of high-dose micro-CT scans of m...

To devise a comprehensive treatment strategy for patients with Class III malocclusion, it is critical to address etiology in the process of differential diagnosis. Growth prediction has always been a part of the deduction science. It is important not only in treatment planning and treatment provision, but it is equally important in the evaluation o...

Objective: The primary objective of this study was to quantitatively analyze the bone parameters (thickness and density) at four different interdental areas from the distal region of the canine to the mesial region of the second molar in the maxilla and the mandible. The secondary aim was to compare and contrast the bone parameters at these specif...

Objective: The aim of this study was to evaluate and compare the amount of external apical root resorption (EARR) observed during the orthodontic treatment with pre-adjusted edgewise appliance (PEA) or clear aligner therapy (CAT) and with 2D or 3D radiographic methods of measuring the root resorption. Search strategy and selection criteria: A se...

https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42018113051

Abstract : In skeletal Class III cases, it may be difficult to achieve an excellent occlusal outcome only with orthodontic treatment and to maintain a stable posttreatment occlusion. There are three main treatment options for skeletal Class III malocclusion: growth modification, dentoalveolar compensation, and orthognathic surgery. Growth modificat...

Objectives: To assess and to compare the skeletal craniofacial asymmetry by manual and digital methods in patients having symmetrical and clinically pleasing profile. Materials and Method: Posteroanterior cephalograms of 60 Gujarati subjects with pleasing profile and no evident facial asymmetry were taken. Along with the manual method, AUTOCAD soft...

Twin Block appliance has been widely used for the treatment of Class II malocclusions in growing subjects, due to its versatility and its highly compliance nature. There are certain clinical indications where functional appliances can be used successfully in Class II malocclusion as in a growing patient. In using these appliances, the main concern...

Direct bonding of brackets to teeth has brought a revolution in the field of Orthodontics. Despite material advancement for direct bonding to increase efficacy of treatment, bond failures continues to be a challenge in clinical practice. This study was undertaken to measure Shear Bond Strength with Transbond XT first bonding and after debonding and...

The objectives of this study were to check the reliability of the five angular and two linear parameters for sagittal maxillo-mandibular discrepancy and to compare and correlate angular parameters with the ANB angle, and the linear parameter with Wits analysis. The pre-treatment and post-functional lateral cephalograms of 25 subjects (17 males, 8 f...

Cleft lip and palate (CLCP) is one of the most common congenital deformities of the craniofacial complex. It has multifactorial etiology with skeletal, dental, soft tissue defects; functional defects such as speech, swallowing, hearing; in addition to psychological and social implications along with facial disfi gurement. Thus, the treatment approa...