Oliver D. Kripfgans
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View article: Bridging a curriculum gap: a structured model for integrating head and neck ultrasound training into undergraduate dental education
Bridging a curriculum gap: a structured model for integrating head and neck ultrasound training into undergraduate dental education Open
Introduction Ultrasonography is increasingly relevant in dental and maxillofacial diagnostics, yet structured training opportunities for dental students remain scarce. This study aimed to develop, implement, evaluate and validate a blended…
View article: Comparative assessment of marginal alveolar bone using ultrasonography and cone-beam computed tomography
Comparative assessment of marginal alveolar bone using ultrasonography and cone-beam computed tomography Open
Objectives This study aimed to compare crestal facial bone measurements obtained from ultrasonography (USG) and cone-beam computed tomography (CBCT). Methods A total of 200 teeth from 15 systemically healthy individuals were included. Teet…
View article: Non-invasive and quantitative methods for assessment of blood flow in periodontal and oral soft tissues: a systematic review
Non-invasive and quantitative methods for assessment of blood flow in periodontal and oral soft tissues: a systematic review Open
Objectives Understanding the available methods to study blood flow in the oral cavity can enhance knowledge of research methodology on periodontal circulation related to disease initiation and progression as well as wound healing. This stu…
View article: Introduction of “MAPS” wound healing index and its correlation with guided bone regeneration outcome
Introduction of “MAPS” wound healing index and its correlation with guided bone regeneration outcome Open
This study aims to introduce a new index that could become a framework for future modification and improvement, and retrospectively test the predictability of this index collectively and individually for final bone changes by using existin…
View article: High‐Frequency Ultrasound for Detecting Periodontal Inflammation: A Preclinical Diagnostic Accuracy Study
High‐Frequency Ultrasound for Detecting Periodontal Inflammation: A Preclinical Diagnostic Accuracy Study Open
Aim Ultrasonography (US) has shown accuracy in imaging healthy periodontium. This study aims to evaluate the feasibility and accuracy of US for estimating dimensions of inflamed periodontium induced by ligature and bacteria. Methods Period…
View article: Ultrasonographic Evaluation of Vascular Response to Mechanical Compression during Induced Gingival Inflammation
Ultrasonographic Evaluation of Vascular Response to Mechanical Compression during Induced Gingival Inflammation Open
The aim of this study was to evaluate the gingival vascular response to mechanical compression during inflammation using ultrasonography. Four female and 4 male Sinclair mini pigs 18 mo of age were included in the study. Pathogenic bacteri…
View article: Clinical outcomes of using operating microscope for alveolar ridge preservation: A randomized controlled trial
Clinical outcomes of using operating microscope for alveolar ridge preservation: A randomized controlled trial Open
Background The use of the operating microscope (OM) for extraction and alveolar ridge augmentation (ARP) is increasing due to enhanced magnification and illumination. The primary objective was to compare the wound healing and crestal bone …
View article: Ultrasound Characterization of Oral Soft Tissues in vivo Using the Burr Speckle Model
Ultrasound Characterization of Oral Soft Tissues in vivo Using the Burr Speckle Model Open
Periodontal diseases, reportedly affect 4 out of 10 adults in the USA. The standard of care for clinical assessments of these diseases is invasive, subjective and semi-qualitative. Thus, research on proposing alternate noninvasive modaliti…
View article: Intraoral ultrasonography image registration for evaluation of partial edentulous ridge: A methodology and validation study
Intraoral ultrasonography image registration for evaluation of partial edentulous ridge: A methodology and validation study Open
This guided US imaging method could lay the foundation for longitudinal evaluation of tissue behavior and dimensional changes with improved accuracy.
View article: Sonography in the diagnosis of peri‐implant bone defects: An in vitro study on native human mandibles
Sonography in the diagnosis of peri‐implant bone defects: An in vitro study on native human mandibles Open
Aim The aim of this study on native human cadavers was to compare clinical, sonographic, and radiological measurements of fenestrations, dehiscences, and 3‐wall bone defects on implants. Materials and Methods The examination was carried ou…
View article: Ultrasound‐based jawbone surface quality evaluation after alveolar ridge preservation
Ultrasound‐based jawbone surface quality evaluation after alveolar ridge preservation Open
Background Bone readiness for implant placement is typically evaluated by bone quality/density on 2‐dimensional radiographs and cone beam computed tomography at an arbitrary time between 3 and 6 months after tooth extraction and alveolar r…
View article: Comment on Barbieri et al. Umbilical Vein Blood Flow in Uncomplicated Pregnancies: Systematic Review of Available Reference Charts and Comparison with a New Cohort. J. Clin. Med. 2023, 12, 3132
Comment on Barbieri et al. Umbilical Vein Blood Flow in Uncomplicated Pregnancies: Systematic Review of Available Reference Charts and Comparison with a New Cohort. J. Clin. Med. 2023, 12, 3132 Open
We would like to comment on the systemic review article published in the Journal of Clinical Medicine by Barbieri et al [...]
View article: Doppler ultrasonographic evaluation of tissue revascularization following connective tissue graft at implant sites
Doppler ultrasonographic evaluation of tissue revascularization following connective tissue graft at implant sites Open
Aim To assess the Doppler ultrasonographic tissue perfusion at dental implant sites augmented with connective tissue graft (CTG) using coronally advanced flap (CAF) or tunnel technique (TUN). Materials and Methods Twenty‐eight patients pre…
View article: Ultrasonography‐Derived Elasticity Estimation of Live Porcine Oral Mucosa
Ultrasonography‐Derived Elasticity Estimation of Live Porcine Oral Mucosa Open
Objectives To investigate the biomechanical properties of porcine oral tissues with in vivo ultrasonography and to compare the difference between oral alveolar mucosa and gingival tissue concerning compressional and tensile mechanical stra…
View article: Real-time spatiotemporal characterization of mechanics and sonoporation of acoustic droplet vaporization in acoustically responsive scaffolds
Real-time spatiotemporal characterization of mechanics and sonoporation of acoustic droplet vaporization in acoustically responsive scaffolds Open
Phase-shift droplets provide a flexible and dynamic platform for therapeutic and diagnostic applications of ultrasound. The spatiotemporal response of phase-shift droplets to focused ultrasound, via the mechanism termed acoustic droplet va…
View article: Preliminary Experience in Transducer Preparation for Intraoral Imaging
Preliminary Experience in Transducer Preparation for Intraoral Imaging Open
Intraoral scanning must meet a stringent infection control standard because of contact with the oral mucosa. A preparation protocol is thus presented for increased inquiries about intraoral scanning requirements. Materials required for suc…
View article: Coronally advanced flap versus tunnel technique for the treatment of peri‐implant soft tissue dehiscences with the connective tissue graft: A randomized, controlled clinical trial
Coronally advanced flap versus tunnel technique for the treatment of peri‐implant soft tissue dehiscences with the connective tissue graft: A randomized, controlled clinical trial Open
Aim To evaluate the efficacy of coronally advanced flap (CAF) versus tunnel technique (TUN) in covering isolated mid‐facial peri‐implant soft tissue dehiscences (PSTDs). Materials and Methods Twenty‐eight participants presenting with isola…
View article: Portal venous gas detection in different clinical situations
Portal venous gas detection in different clinical situations Open
Portal Venous Gas (PVG) provides an important differential diagnosis in the diagnose of intrahepatic reflexogenic structures. This review article is intended to provide an overview of the current literature on the detection of PVG, its spe…
View article: Ultrasound insonation angle and scanning imaging modes for imaging dental implant structures: A benchtop study
Ultrasound insonation angle and scanning imaging modes for imaging dental implant structures: A benchtop study Open
Introduction High frequency ultrasound has shown as a promising imaging modality to evaluate peri-implant tissues. It is not known if the ultrasound imaging settings might influence ultrasound’s ability to differentiate implant structures.…
View article: Recombinant human platelet‐derived growth factor improves root coverage of a collagen matrix for multiple adjacent gingival recessions: A triple‐blinded, randomized, placebo‐controlled trial
Recombinant human platelet‐derived growth factor improves root coverage of a collagen matrix for multiple adjacent gingival recessions: A triple‐blinded, randomized, placebo‐controlled trial Open
Aim To evaluate the efficacy of recombinant human platelet‐derived growth factor (rhPDGF)‐BB combined with a cross‐linked collagen matrix (CCM) for the treatment of multiple adjacent gingival recession type 1 defects (MAGRs) in combination…
View article: Multi-time scale characterization of acoustic droplet vaporization and payload release of phase-shift emulsions using high-speed microscopy
Multi-time scale characterization of acoustic droplet vaporization and payload release of phase-shift emulsions using high-speed microscopy Open
Acoustic droplet vaporization (ADV) is the phase-transitioning of perfluorocarbon emulsions, termed phase-shift emulsions, into bubbles using focused ultrasound. ADV has been utilized in many biomedical applications. For localized drug rel…
View article: Umbilical Vein Pulse Wave Spectral Analysis: A Possible Method for Placental Assessment Through Evaluation of Maternal and Fetal Flow Components
Umbilical Vein Pulse Wave Spectral Analysis: A Possible Method for Placental Assessment Through Evaluation of Maternal and Fetal Flow Components Open
Objectives Placental blood flow analysis is complicated by having both maternal and fetal flow components. Using the Fast Fourier Transform (FFT) of the umbilical venous pulse wave spectra (PW) envelope, we could simultaneously assess mate…
View article: Prevalence and risk indicators of midfacial peri‐implant soft tissue dehiscence at single site in the esthetic zone: A cross‐sectional clinical and ultrasonographic study
Prevalence and risk indicators of midfacial peri‐implant soft tissue dehiscence at single site in the esthetic zone: A cross‐sectional clinical and ultrasonographic study Open
Background Esthetic complications of dental implants in the esthetic zone can have a major negative impact on patients’ quality of life and perception of implant therapy. The aim of the present study was to evaluate the prevalence of peri‐…
View article: Ultrasonography on the non-living. Current approaches.
Ultrasonography on the non-living. Current approaches. Open
The vast majority of clinicians associate diagnostic ultrasound with a tool that is designed for the living patient. However, it is of course possible to apply this imaging technology to evaluate the recently deceased patient for postmorte…
View article: Multi-class deep learning segmentation and automated measurements in periodontal sonograms of a porcine model
Multi-class deep learning segmentation and automated measurements in periodontal sonograms of a porcine model Open
Objectives: Ultrasound emerges as a complement to cone-beam computed tomography in dentistry, but struggles with artifacts like reverberation and shadowing. This study seeks to help novice users recognize soft tissue, bone, and crown of a …