BACKGROUND Subcutaneous emphysema is a well-known complication of oral surgery,especially during mandibular wisdom tooth extraction.However,subcutaneous emphysema secondary to dental procedures such as crown preparati...BACKGROUND Subcutaneous emphysema is a well-known complication of oral surgery,especially during mandibular wisdom tooth extraction.However,subcutaneous emphysema secondary to dental procedures such as crown preparation is rare.The main symptom of emphysema is swelling and crepitus on palpation.Uncontrolled emphysema may spread along the fascial planes and cause deep space infections or a pneumomediastinum.CASE SUMMARY In this paper,we report a 34-year-old female who underwent upper molar tooth preparation for crowns and subsequently developed extensive subcutaneous emphysema on the retromandibular angle on two different occasions.The treatment plan for this patient involved close observation of the airway,and administration of dexamethasone and antibiotics via intravenous drip or orally.Ice bag compression was quickly applied and medication was prescribed to alleviate discomfort and promote healing.Although the main reason is unclear,the presence of a fissure in the molar is an important clue which may contribute to the development of subcutaneous emphysema during crown preparation.It is imperative for dental professionals to recognize such pre-disposing factors in order to minimize the risk of complications.CONCLUSION This case highlights the need for prompt diagnosis and management of subcutaneous emphysema because of the risk of much more serious complications.Awareness of relatively“benign”subcutaneous emphysema during any dental procedure is critical not only for inexperienced dentists,but also for those who work in rural and remote settings as members of surgical teams.In this study,we review the clinical presentation,mechanism,and differential diagnosis of subcutaneous emphysema.展开更多
<b><span>Aims:</span></b><span> We expanded the known technique for simultaneously augmenting an atrophic maxilla and placement of immediate provisional implants (IPI), followed by i...<b><span>Aims:</span></b><span> We expanded the known technique for simultaneously augmenting an atrophic maxilla and placement of immediate provisional implants (IPI), followed by immediate loading by performing surgery in both jaws simultaneously. Feasibility of this new technique, implant survival and success were evaluated as well as pro</span><span>s</span><span>thetic success.</span><span> </span><b><span>Materials and Methods:</span></b><span> All patients undergoing simultaneous bone grafting and IPI placement with immediate </span><span>loading at our institute between the 1st of June 2016 and the 30th of May 2018 were included and followed up for at least one year postoperatively.</span><span> </span><b><span>Results:</span></b><span> 3 patients were followed for a mean period of 25</span><span>.</span><span>67 months (20</span><span> </span><span>-</span><span> </span><span>29 months).</span><span> 33 IPIs were placed. All were immobile at second stage surgery without signs of infection. No provisional bridges were lost and no infections were noted. After second stage surgery, none of these 36 final dental implants were lost. There was some bone loss at one implant. In all patients</span><span>,</span><span> good functional and aesthetic results were obtained without any unforeseen complications. This renders the implant survival at 100% and the success rate at 97%.</span><b><span> </span></b><b><span>Conclusion:</span></b><span> The technique is complex due to the intricate step-by-step process that is required and depends on a dedicated team to ensure a proper workflow. When performed correctly, the protocol shows good and predictable results.</span>展开更多
基金Supported by Shenzhen Science and Technology Program,No.JCYJ20220530165409022.
文摘BACKGROUND Subcutaneous emphysema is a well-known complication of oral surgery,especially during mandibular wisdom tooth extraction.However,subcutaneous emphysema secondary to dental procedures such as crown preparation is rare.The main symptom of emphysema is swelling and crepitus on palpation.Uncontrolled emphysema may spread along the fascial planes and cause deep space infections or a pneumomediastinum.CASE SUMMARY In this paper,we report a 34-year-old female who underwent upper molar tooth preparation for crowns and subsequently developed extensive subcutaneous emphysema on the retromandibular angle on two different occasions.The treatment plan for this patient involved close observation of the airway,and administration of dexamethasone and antibiotics via intravenous drip or orally.Ice bag compression was quickly applied and medication was prescribed to alleviate discomfort and promote healing.Although the main reason is unclear,the presence of a fissure in the molar is an important clue which may contribute to the development of subcutaneous emphysema during crown preparation.It is imperative for dental professionals to recognize such pre-disposing factors in order to minimize the risk of complications.CONCLUSION This case highlights the need for prompt diagnosis and management of subcutaneous emphysema because of the risk of much more serious complications.Awareness of relatively“benign”subcutaneous emphysema during any dental procedure is critical not only for inexperienced dentists,but also for those who work in rural and remote settings as members of surgical teams.In this study,we review the clinical presentation,mechanism,and differential diagnosis of subcutaneous emphysema.
文摘<b><span>Aims:</span></b><span> We expanded the known technique for simultaneously augmenting an atrophic maxilla and placement of immediate provisional implants (IPI), followed by immediate loading by performing surgery in both jaws simultaneously. Feasibility of this new technique, implant survival and success were evaluated as well as pro</span><span>s</span><span>thetic success.</span><span> </span><b><span>Materials and Methods:</span></b><span> All patients undergoing simultaneous bone grafting and IPI placement with immediate </span><span>loading at our institute between the 1st of June 2016 and the 30th of May 2018 were included and followed up for at least one year postoperatively.</span><span> </span><b><span>Results:</span></b><span> 3 patients were followed for a mean period of 25</span><span>.</span><span>67 months (20</span><span> </span><span>-</span><span> </span><span>29 months).</span><span> 33 IPIs were placed. All were immobile at second stage surgery without signs of infection. No provisional bridges were lost and no infections were noted. After second stage surgery, none of these 36 final dental implants were lost. There was some bone loss at one implant. In all patients</span><span>,</span><span> good functional and aesthetic results were obtained without any unforeseen complications. This renders the implant survival at 100% and the success rate at 97%.</span><b><span> </span></b><b><span>Conclusion:</span></b><span> The technique is complex due to the intricate step-by-step process that is required and depends on a dedicated team to ensure a proper workflow. When performed correctly, the protocol shows good and predictable results.</span>
