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The implant retained overdenture by Locator attachments on the edentulous mandible using Parallel guide KIT®: a case report.

Hyeran KIM ; Jun Yup KIM ; Hong Seo YANG ; Sang Won PARK ; Hyun Pil LIM ; Kwi Dug YUN ; Chan PARK ; Jin Ho SHIN

Journal of Dental Rehabilitation and Applied Science.2017;33(1):55-62. doi:10.14368/jdras.2017.33.1.55

Overdenture using dental implants could improve the problems of conventional complete denture function which are pain during mastication, insufficient retention and stability. Locator attachment used widely for implant-retained overdenture has advantages that it needs the smallest vertical space and also its nylon male cap allows personalized retention for each case. However its retention force decreases rapidly with function rather than the bar and ball attachment. So, implant fixture should be positioned as parallel as possible.
Dental Implants ; Denture, Complete ; Denture, Overlay* ; Humans ; Male ; Mandible* ; Mastication ; Nylons

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Implant placement simultaneously sinus augmentation using crestal approach in severely atrophic maxilla; minimally invasive approach.

Hyun Joo KIM ; Eun Young KWON ; Jeomil CHOI ; Ju Youn LEE ; Ji Young JOO

Journal of Dental Rehabilitation and Applied Science.2017;33(1):47-54. doi:10.14368/jdras.2017.33.1.47

The atrophy of edentulous ridge and pneumatization of the maxillary sinus often limit the volume of bone available for implant placement on maxillary posterior teeth. Most clinicians suffer difficulties from poor bone quality and quantity on maxillary posterior site. Thus, the success of maxillary posterior implant surgery depends on the increase of the available bone and obtaining a good initial stability of the implant after maxillary sinus reconstruction. The maxillary sinus augmentation methods include a crestal approach and a lateral approach. Less morbidity and complications after operation is major advantage to sinus augmentation using crestal approach than lateral approach. However, when the residual ridge height is ≥ 6 mm, it is known that crestal approach is appropriate. Also delayed implantation after sinus augmentation is recommended in severely atrophic ridge. We present the three cases of implant placement simultaneously sinus augmentation using crestal approach in posterior maxilla site with ≤ 3 mm of residual alveolar bone.
Alveolar Bone Grafting ; Atrophy ; Dental Implants ; Maxilla* ; Maxillary Sinus ; Molar ; Tooth

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Treatment of dental erosion caused by intrinsic and extrinsic etiology: a case report.

Gyeong Je LEE ; Soo Yoon JIN ; Hee Jung KIM ; Jeong Bum MIN

Journal of Dental Rehabilitation and Applied Science.2017;33(1):42-46. doi:10.14368/jdras.2017.33.1.42

Dental erosion is defined as tooth structure loss by acidic chemical substance. It is caused by extrinsic factors such as acidic foods, drugs, and working environments, and also intrinsic factors such as gastric acid regurgitation in gastro-esophageal disorder or intensive vomiting in bulimia nervosa. These lesions can be treated with direct resin filling, laminate or full contour crown depending on the intensity of clinical problem. This is a case report about treatment of rare clinical case: labial erosion of anterior tooth caused by frequent intake of acidic fruit and palatal erosion of anterior tooth caused by intensive vomiting in bulimia nervosa.
Bulimia Nervosa ; Crowns ; Fruit ; Gastric Acid ; Intrinsic Factor ; Tooth ; Vomiting

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Spontaneous teeth migration after periodontal treatment in the patients with drug-induced gingival enlargement.

Youn Kyung CHOI ; Kyoung Hwa JUNG ; So Yeun KIM ; Hye Mi JEON ; Jeomil CHOI ; Ju Youn LEE ; Ji Young JOO ; Eun Young KWON

Journal of Dental Rehabilitation and Applied Science.2017;33(1):34-41. doi:10.14368/jdras.2017.33.1.34

Anticonvulsants, calcium channel blockers and immunosuppressants are representative drugs related with gingival enlargement. Clinical signs and symptoms caused by drug-induced gingival enlargment frequently appear within 1 to 3 months after medication. At initial stage, it is limited to attached gingiva but may extend coronally and interfere with esthetics, mastication and speech. Interproximal spaces are common beginning area and pathologic teeth migration could be occurred by the lesion. Withdrawal or substitution of medication would be the most effective treatment of drug-induced gingival enlargement. However, periodontal treatment and further supportive periodontal therapy should be provided where change in medication is impossible. The present study reports the cases which show the resolution of inflammation with spontaneous teeth migration without change in medication. In all cases discussed in this report could be efficiently managed with proper periodontal treatment and further supportive periodontal therapy.
Anticonvulsants ; Calcium Channel Blockers ; Esthetics ; Gingiva ; Gingival Overgrowth ; Humans ; Immunosuppressive Agents ; Inflammation ; Mastication ; Periodontal Diseases ; Tooth*

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Orthodontic upright treatment for mesioangular impacted lower second molar.

Baekgue CHOI ; Dongkee JEONG ; Sunghoon LIM ; Sungnam GANG

Journal of Dental Rehabilitation and Applied Science.2017;33(1):25-33. doi:10.14368/jdras.2017.33.1.25

The lower 2(nd) molar eruption is beginning to mesiolingually, then rotate to distobuccally so it has a tendency to be tilted and impacted mesially. Signs and symptoms of impacted 2(nd) molar are similar to impacted 3(rd) molar's. However, treatment plan for impacted 2nd molar is different from that of impacted 3(rd)'s. The former is the preservation and uprighting of 2(nd) molar so that it could act to recovery of mastication, symmetrical facial growth, maintaining the symmetry of dental arch, stable occlusion, while the latter is the extraction of tooth. If the uprighting treatment is planned, most proper protocol of treatment and the additional treatment opition should be applied with consideration for it's crown exposure, present of 3(rd) molar which interrupt the uprighting process, extrusion of opposite tooth. Although it could not improve the esthetic result, it could prevent many dental problems. Therefore, uprighting for impacted lower 2(nd) molar is meaningful treatment.
Crowns ; Dental Arch ; Mastication ; Molar* ; Tooth ; Tooth Movement

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Palate bone exposure from flexible denture: a case report.

Soo Yoon JIN ; Mi Gyeong KIM ; Hee Jung KIM ; Gyeong Je LEE

Journal of Dental Rehabilitation and Applied Science.2017;33(1):19-24. doi:10.14368/jdras.2017.33.1.19

Recently, flexible denture is widely used with some advantages such as esthetics, flexibility and biocompatibility. However, there is an opposite opinion about stability because of the movement of denture by the material's flexibility. As the denture moves to tissue surface during mastication, it irritates the supporting tissue. It can lead to trauma and rapid resorption of residual ridges if this irritation lasts for a long time. In this case, the patient has used flexible denture with insufficient stability, retention and support for several years and thus continuous irritation of the supporting tissue resulted in palate bone exposure. The patient discomfort and palate bone exposure underwent improvements by the new denture with stability and retention. A careful case selection for flexible denture, regular checkup and proper treatment are necessary to prevent the side effects.
Dentures* ; Esthetics ; Humans ; Mastication ; Palate* ; Pliability

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Effects of host modulation by nonsteroidal anti-inflammatory drugs on periodontal disease: a systematic review and meta-analysis.

Dae Young KANG ; In Woo CHO ; Hyun Seung SHIN ; Hyeong Sik AHN ; Hyun Jung KIM ; Jung Chul PARK

Journal of Dental Rehabilitation and Applied Science.2017;33(1):7-18. doi:10.14368/jdras.2017.33.1.7

PURPOSE: Nonsteroidal anti-inflammatory drugs that prohibit biosynthesis of arachidonic acid metabolites have been considered potent host modulation agents. The aim of this review was to determine the effect of nonsteroidal anti-inflammatory drugs adjunctive with nonsurgical periodontal treatment in patients with periodontal disease. MATERIALS AND METHODS: Three electronic databases were searched to identify relevant studies. The methodological quality and mean differences of the change in clinical attachment level and probing depth were analyzed according to Cochrane review methods. RESULTS: Twelve studies were included in the methodological assessment and nine studies were suitable for inclusion in the meta-analysis. The mean difference in the clinical attachment level gain did not differ significantly between the nonsteroidal anti-inflammatory drugs and control groups at any observation time. The highest mean difference in clinical attachment level gain was 0.30 mm at 4 weeks (95% confidence interval = -0.37 to 0.97). There was a significant mean difference in the probing depth reduction, of 0.34 mm (95% confidence interval = 0.29 to 0.40) at 6 weeks. CONCLUSION: Therefore, nonsteroidal anti-inflammatory drugs have additional therapeutic effect when administrated with nonsurgical periodontal treatment.
Anti-Inflammatory Agents ; Arachidonic Acid ; Drug Therapy ; Humans ; Periodontal Diseases* ; Prostaglandins

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A proposal of injection points of botulinum toxin into temporal region for chronic migraine.

Young Gun KIM ; Jung Hee BAE ; Seong Taek KIM

Journal of Dental Rehabilitation and Applied Science.2017;33(1):1-6. doi:10.14368/jdras.2017.33.1.1

Botulinum toxin (BoNT) injections have been used not only in the field of cosmetic surgery such as forehead and eye wrinkle treatment but also in the treatment of chronic migraine, dystonia, spasticity, temporomandibular disorders (TMD). BoNT injections are the only approved therapies to date for prophylactic treatment of chronic migraine patients. Unlike the previously known paralysis of motor neurons, the mechanism of action for migraine is to block the release of non-cholinergic neurotransmitters such as substance P, CGRP, and glutamate, which are associated with peripheral sensitization and neurogenic inflammation in the sensory nerve, it is hypothesized that the signal is blocked. This review focuses on the analgesic effects of BoNT and suggests the direction for the development of injection methods for chronic migraine patients.
Botulinum Toxins* ; Dystonia ; Forehead ; Glutamic Acid ; Headache Disorders ; Humans ; Migraine Disorders* ; Motor Neurons ; Muscle Spasticity ; Neurogenic Inflammation ; Neurotransmitter Agents ; Paralysis ; Substance P ; Surgery, Plastic ; Temporal Lobe* ; Temporomandibular Joint Disorders

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Mandibular implant-natural tooth retained overdenture using magnetic attachment with stress breaker.

Eun Chul PARK ; Su Yeon LEE ; Hee Jung KIM

Journal of Dental Rehabilitation and Applied Science.2015;31(4):378-386. doi:10.14368/jdras.2015.31.4.378

Overdenture has the advantage of improving the stability and retention of the denture but the abutment may be easily affected by caries or periodontal disease and the thin denture can be easily broken. The magnetic attachment overdenture has a high vertical retention but a low horizontal retention, thus, exerting a less disruptive force to the abutment or implant and shows less abrasion or damage compared to other mechanical retainers. Denture fractures in overdenture is caused by the thin denture base as the attachment is inserted, but it may also be caused by the difference in detrusion between soft tissue and hard tissue, and between an implant and a natural tooth. To compensate this shortcoming, a magnetic attachment with a silicone ball inserted in the magnet was developed as we report a successful case using this specific type of magnetic attachment overdenture.
Denture Bases ; Denture, Overlay* ; Dentures ; Periodontal Diseases ; Silicon ; Silicones ; Tooth*

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The effect of improperly contoured and poor fitting restorations to patient with oral lichen planus: periodontal and prosthetic treatment.

Jin Beom SHIN ; Jin Hyun CHO ; Cheong Hee LEE

Journal of Dental Rehabilitation and Applied Science.2015;31(4):371-377. doi:10.14368/jdras.2015.31.4.371

Oral lichen planus (OLP) is a common mucocutaneous disease, which presents as bilateral or multiple lesions. The several factors are implicated in etiology of OLP such as dental restorations, systemic disease, drugs and stress. Especially the influence of dental restorations and plaque control for OLP has been the interest in dentistry. This case is about OLP patient having poor contoured and ill-fitting metal ceramic restorations. The patient in this study has suffered from OLP for a long time, particularly after restoration of metal ceramic restorations on both posterior teeth of maxilla and mandible. This study reported that OLP lesion recovered effectively by improving the contour and fitness of restorations with plaque control.
Dentistry ; Humans ; Lichen Planus, Oral* ; Mandible ; Maxilla ; Metal Ceramic Alloys ; Oral Hygiene ; Tooth

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