Hee-Eun, Kimcontents.kocw.net/KOCW/document/2014/gacheon/kimheeeun1/... · 2016. 9. 9. · Hee-Eun,...
Transcript of Hee-Eun, Kimcontents.kocw.net/KOCW/document/2014/gacheon/kimheeeun1/... · 2016. 9. 9. · Hee-Eun,...
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Hee-Eun, Kim
Department of Dental Hygiene College of Health Science, Gachon University
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• Phylogenetic development as a bony sheath
• Air-filled bone
maxillary sinus : hollow pyramid
2 external faces, walls of the 3 cavities (oral, nasal, orbital)
connected firmly to the head
- frontal, pterygoid process, palatine, zygomatic bone
• Frontal, zygomatic, palatal, alveolar process
• Besides mastication, contributes to respiration, deglutition,
sight, olfaction and speech
Maxilla
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• 7개의 낱개 머리뼈와 봉합으로 연결 – 전두골, 누골, 구개골, 관골, 하비갑개, 비골, 접형골
• 구강, 비강, 안와 형성에 관여
– 구강 천정, 비강 외측벽, 안와 하연 이룸
• 위턱굴(상악동, maxillary sinus) 함유 – 뼈 속 구조
• 구성
– 위턱뼈몸체(상악체) – 얼굴면(안면), 관자아래면(측두하면), 눈확면(안와면), 코면(비강면)
• 4개의 돌기 – 이마(전두)돌기, 광대(관골)돌기, 이틀(치조)돌기, 입천장(구개)돌기
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위턱뼈와 주변구조
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위턱뼈와 주변구조
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ⅰ) 얼굴면(안면) ① 눈확아래구멍(안와하공) : 안와하연 하방 안와하신경 및 혈관 - 아래눈까풀, 코 바깥쪽, 윗입술에 분포 ② 견치와 : 안와하공 하방의 얕은 함요부 상악골에서 가장 얇은 뼈, 구각거근 부착 ③ 안면 내측연 : 비강의 입구인 뼈콧구멍(이상구) 일부 형성 내측연 하방 – 비절흔 ④ 안면 하방 : 치조돌기에 이행, 치근 순측 또는 협측 싸고 있음
상악체 (body of maxills)
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ⅱ) 관자아래면 (측두하면) ① 약간 풍융하며 거친 면으로 측두하와의 전벽을 이룸 ② 관골하능에 의해 안면과 구분 됨 ③ 상악결절 : 측두하면에서 가장 풍융한 부위 2~3개의 구멍 – 후상치조공 (후상치조신경 및 혈관)
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ⅲ) 눈확면 (안와면)
① 삼각형의 평탄한 면, 안와의 하면 ② 안와하구 : 안와면 후방의 도랑 뼈 속으로 들어가 안와하관이 되고 안와하공에서 그침 안와하관 – 전상치조관, 중상치조관으로 나뉘어짐 안와하공 – 전상치조관 (전상치조신경 : 상악전치, 순측 치은) 중상치조관 (중상치조신경 : 상악소구치, 협측 치은)
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ⅳ) 코면 (비강면) ① 비강의 외측면 ② 상악동열공 : 중앙에 있는 큰 구멍, 상악동의 입구 ③ 누낭구 : 상악동열공의 전상방 도랑 비루관 – 누낭구, 누골 및 하비갑개와 합쳐 형성 ④ 익구개구 : 상악동열공 후하방 도랑 ⑤ 익구개관, 대구개관 : 구개골 및 접형골에 있는 익구개구와 합쳐져 형성 대구개관 - 골구개 후외측에 있는 대구개공에 그침 (대구개신경 : 상악대구치 및 소구치 부위 설측 치은)
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ⅴ) 위턱굴 (상악동, maxillary sinus) ① 부비강의 하나 ② 상악체 속에 있는 큰 공동(cavity)으로 콧속과
통함 ③ 기능 : 머리 무게 감소, 공기 습도 및 온도 조절,
소리의 공명, 점액 배출 ④ 상악동열공 : 상악동 출구 ⑤ 상악동의 개구 : 비강의 중비도
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ⅰ) 전두돌기 (이마돌기, frontal process) ① 내측면 : 사골능 - 중비갑개 부착 비갑개능 - 하비갑개 부착 ⅱ) 관골돌기 (광대돌기, zygomatic process) ① 권골상악봉합 : 권골의 상악돌기와 결합 ② 권골하능 : 이 돌기에서 상악 제 1대구치 부위로 내려가는 융기 상악체의 안면과 측두하면의 경계 ⅲ) 치조돌기 (이틀돌기, alveolar process) ① 치근의 순측이나 협측을 싸고 있는 뼈 부위 ② 치조궁 : 하방으로 돌출한 궁상의 부분 치조와 - 치근 수용 ⅳ) 구개돌기 (입천장돌기, palatine process) ① 구강의 천정 구성, 구강과 비강의 경계 ② 구개구, 구개극 : 돌기 하면 후외방, 대구개신경 및 혈관 통과 ③ 정중입천장(정중구개)봉합 : 좌, 우 구개돌기 절치공 - 제일 앞에 있는 구멍 (비구개신경 : 상악전치부위 설측치은) 절치관 - 절치공이 비강와 교통하는 관 ④ 가로입천장(횡구개)봉합 : 구개돌기 + 구개골의 수평판
4개의 돌기
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Check point
1. 상악골과 봉합으로 연결된 두개골은? (7개)
2. 상악골은 몸통과 4개의 돌기로 구성되어 있다. 4개의 돌기는?
3. 상악 대구치와 그 부위의 협측치은에 분포하는 신경이 들어가는 공(foramen)은?
4. 상악체의 방사선 촬영시 투과성 구조물로 나타나는 사각뿔 모양의 뼈 속 공간은?
5. 상악동의 기능은? (4가지)
6. 상악동염이 발생하였을 때 염증 삼출물이 비강으로 분비되는 통로는?